Interrogating fault memory
Fault table as of fault code "01044"
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01044
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Control unit incorrectly coded
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- Encoding of control unit with display in dash panel insert -J285 not performed in specified manner - - - - - - Fault in convenience data bus - - - - Encoding of -E87 (heating) not performed in specified manner
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- Check code transmitted to operating and display unit for air conditioner/Climatronic -E87 (heating) =>Reading measured value block, Page01-107 (encoding of -E87 (heating) for specific equipment features)
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01087
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Basic setting not carried out
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- Fault during "Basic setting" function or ignition switched off and - -E87 (heating) not able to conclude function - Basic setting not performed after replacing -E87 (heating) - Basic setting performed on non-encoded or incorrectly encoded - -E87 (heating)
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- Perform basic setting of operating and display unit for air conditioner/Climatronic -E87 (heating) =>Page01-99
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01171
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Temp. sensor, passenger's seat -G60
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Short to earth /SP Open circuit/short to positive /SP
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- Open circuit in heated front passenger's seat or in connection between -G60 and -E87 (heating)
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- Use current flow diagram to locate and eliminate open circuit Check temperature sensor -G60 and corresponding wiring
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01172
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Temperature sensor - driver's seat -G59
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Short to earth /SP Open circuit/short to positive /SP
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- Open circuit in heated driver's seat or in connection between -G59 and -E87 (heating)
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- Use current flow diagram to locate and eliminate open circuit Check temperature sensor -G59 and corresponding wiring
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01206 Ign. time period signal off
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* Implausible signal /SP
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- Dash panel insert implemented re-start (reset) after connecting battery and time signal could therefore not be transmitted
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- Start engine and let it run for 30 sec. Switch off engine Switch on ignition Interrogate and erase fault memory of -E87 (heating) Check time signal from dash panel insert(reading measured value block, display group 018)
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- Fault in control unit with display in dash panel insert -J285
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- Interrogate fault memory of dash panel insert
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Note:
If, on switching on ignition, "signal for ignition off period" is not detected by operating and display unit for air conditioner/Climatronic -E87 (heating) transmitted by dash panel insert via convenience data bus, -E87 (heating) assumes a standing time of more than 4 hours and an engine temperature identical to ambient temperature. In heating mode, this may result in delayed start-up of fresh-air blower although engine is warm. Incorrect values may also be displayed by ambient temperature indicator -G106 in dash panel insert.
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01207 Additional heating control unit -J364
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No communication /SP
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- Control unit with display in dash panel insert -J285 incorrectly encoded (incorrect adaption for auxiliary heater in channel 18)
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- Check code transmitted to operating and display unit for air conditioner/Climatronic -E87 (heating) =>Reading measured value block, Page
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- Open circuit in power supply to auxiliary heater with ignition on - Fault affecting data output in auxiliary heater control unit - Auxiliary heater control unit not transmitting data telegram
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- Use current flow diagram to check and repair power supply to auxiliary heater (watch out for possible loose contact) Interrogate auxiliary heater fault memory => Auxiliary Heater; Repair Group 0101-188
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Continued ▼
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01207
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(Fault 01207 continued)
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- Open circuit in both data wires (convenience data bus) between control unit -J364 and -E87 (heating) - - Auxiliary heater control unit not transmitting data telegram - -E87 (heating) cannot read data telegram transmitted by auxiliary heater control unit
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- Use current flow diagram to locate and eliminate open circuit or loose contact in both data wires (convenience data bus) between auxiliary heater control unit and -E87 (heating) Check convenience data bus Check part nos. of control unit -J364 and operating and display unit for air conditioner/Climatronic -E87 (heating); mutual release is required for both control units => Parts List
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Notes:
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◆ This fault is entered if control unit in dash panel insert has been encoded for a vehicle with auxiliary heater (adaption channel 18) and there is no genuine Audi auxiliary heater installed (dash panel insert informs -E87 (heating) that auxiliary heater has been fitted; -E87 (heating) thus expects information from -J364 and does not receive it).
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◆ Auxiliary heater control unit and operating and display unit for air conditioner/Climatronic -E87 (heating) cannot communicate if they do not have the same data level.
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◆ Only genuine Audi auxiliary/additional heaters can be actuated by way of convenience data bus and exchange data with other control units linked to this bus system..
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◆ The majority of commercially available auxiliary heaters cannot exchange data via the data bus system and are not to be connected to it.
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01230
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Air vent temp. sender L footwell -G261
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Short to earth /SP Open circuit/short to positive /SP
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- Short circuit or open circuit in wiring between -G261 and -E87 (heating) - Vent temperature sender, left footwell -G261 defective
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- Use current flow diagram to locate and eliminate short circuit/open circuit in wiring Check vent temperature sender, left footwell -G261 =>Electrical Check, Page 01-232
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01231
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Air vent temp. sender R footwell -G262
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Short to earth /SP Open circuit/short to positive /SP
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- Short circuit or open circuit in wiring between -G262 and -E87 (heating) - Vent temperature sender, right footwell -G262 defective
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- Use current flow diagram to locate and eliminate short circuit/open circuit in wiring Check vent temperature sender, right footwell -G262 =>Electrical Check, Page 01-232
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01272
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Motor for central flap -V70
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Blocked or deenergised /SP
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- Short circuit, open circuit in wiring or wiring fault between -V70 and -E87 (heating) - Central flap stiff - Central flap control motor -V70 defective
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- Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or wiring fault Check freedom of movement of central flap Check central flap control motor -V70 =>Final control diagnosis, Page 01-85
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01273
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Fresh-air blower -V2
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Blocked or deenergised /SP (duty cycle transmitted 55...64%)
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- Fresh-air blower blocked by foreign matter - Fresh-air blower -V2 defective
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- Remove fresh-air blower and check for foreign matter Replace fresh-air blower -V2
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Defective (duty cycle transmitted 15...24% or 65...74%)
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- Control unit -J126 in fresh-air blower -V2 defective
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- Replace fresh-air blower -V2
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Continued ▼
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01273
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(Fault 01273 continued)
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Short to earth /SP Open circuit/short to positive /SP
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- Short circuit or open circuit in wiring between fresh-air blower -V2 and -E87 (heating) - Open circuit in power supply or earth connection to fresh-air blower -V2
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- Use current flow diagram to locate and eliminate short circuit/open circuit in wiring Use current flow diagram to locate and eliminate open circuit
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Signal outside tolerance /SP (duty cycle transmitted 75...84%)
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- Loose contact (short circuit or open circuit in wiring) or contact resistance between fresh-air blower -V2 and -E87 (heating) - Actuation of -V2 by -E87 (heating) defective - Fresh-air blower -V2 defective
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- Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or wiring fault Replace operating and display unit for air conditioner/Climatronic -E87 (heating) Replace fresh-air blower -V2
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Continued ▼
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01273
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(Fault 01273 continued)
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Power supply too low /SP (duty cycle transmitted 35...44%)
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- Voltage dips in vehicle electrical system to values below 9.5 V - Open circuit or contact resistance in power supply to fresh-air blower -V2
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- Check alternator and voltage regulator => Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder Use current flow diagram to check wiring
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Power supply too high /SP (duty cycle transmitted 25...34%)
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- Vehicle electrical system voltage greater than 15 V
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- Check alternator and voltage regulator => Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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Notes:
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◆ Control unit -J126 is installed in fresh-air blower -V2 and cannot be replaced separately
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◆ Status of fresh-air blower is displayed in measured value block (display group 018). -J126 uses status display to inform -E87 (heating) in the event of a -V2 fault =>Reading measured value block, Page 01-114.
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◆ Fault "Power supply too high /SP" may also be displayed if unsuitable charger was used to charge battery.
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01274
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Motor for air-flow flap -V71
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Blocked or deenergised /SP
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- Short circuit, open circuit in wiring or wiring fault between -V71 and -E87 (heating) - Fresh-air or air-flow flap stiff (LHD vehicles) - Air flow flap control motor -V71 defective
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- Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or wiring fault Check freedom of movement of fresh-air and air-flow flap Check air flow flap control motor -V71 =>Final control diagnosis, Page 01-85
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- Operating and display unit for air conditioner/Climatronic -E87 (heating) incorrectly encoded - Convenience system central control unit -J393 incorrectly encoded
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- Read measured value block (display group 019), check encoding of -E87 (heating) and encoding transmitted to -E87 (heating) => Page
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Notes:
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◆ This control motor is only fitted on left-hand drive vehicles for actuating air-flow/fresh-air flaps.
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◆ Right-hand drive vehicles are not equipped with this control motor.
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◆ This fault is entered if, in a right-hand drive vehicle, convenience system central control unit -J393 has been encoded for a left-hand drive vehicle (control unit -J393 informs -E87 (heating) that vehicle is LHD and -E87 (heating) thus expects a control motor -V71 with potentiometer -G113 to be connected).
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01312
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Drive train data bus
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Read out fault memory
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- Dash panel insert cannot output required data due to a fault and emits fault message - Dash panel insert cannot output required data due to a fault in an upstream component and emits fault message - Control unit linked to drive train data bus not supplying required data/drive train data bus fault
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- Interrogate fault memory of dash panel insert
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Note:
If, for example, engine control unit does not supply information on instantaneous engine speed (via drive train data bus), control unit in dash panel insert cannot incorporate this into data telegram on convenience data bus and fault is entered in fault memory of -E87 (heating).
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01317
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CU w. dash insrt. dsply, conv.d.b. -J285
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Read out fault memory
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- Dash panel insert cannot output required data due to a fault and emits fault message - Dash panel insert cannot output required data due to a fault in an upstream component and emits fault message
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- Interrogate fault memory of dash panel insert
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No communication /SP
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- Open circuit in both data wires (convenience data bus) between dash panel insert and -E87 (heating)
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- Use current flow diagram to locate and eliminate open circuit or loose contact in both data wires (convenience data bus) between dash panel insert and -E87 (heating) Check convenience data bus
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Continued ▼
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01317
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(Fault 01317 continued)
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No communication /SP
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- Correct transmission of information by control unit -J285, however fault is entered in -E87 (up to software version "XX14") on account of a particular optional extra
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- Check display in measured value blocks "125" and "126" and heed notes on display zone "1" in measured value block "125"
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Note:
Reception of data is displayed in measured value block (display group 125) =>Reading measured value block, Page 01-114.
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01322
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Multi-function unit control unit -J501
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Read out fault memory No communication (timeout) /SP
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- Refer to fault code "00457" vehicle voltage control unit -J519
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- Interrogate fault memory of control unit -J519
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Note:
On certain operating and display units for air conditioner/Climatronic -E87 (heating), fault location "Multi-function unit control unit -J501" was stored in software instead of "Vehicle voltage control unit -J519".
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01326
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Multi-func. steering wheel ctrl. unit -J453
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Read out fault memory No communication (timeout) /SP
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- Refer to fault code "00466" steering column electronics control unit -J527
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- Interrogate fault memory of control unit -J527
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Note:
On certain operating and display units for air conditioner/Climatronic -E87 (heating), fault location "Multi-function steering wheel control unit -J453" was stored in software instead of "Steering column electronics control unit -J527".
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01330
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Convenience sys. central ctrl. unit -J393
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Read out fault memory
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- Convenience system central control unit -J393 cannot output required data due to a fault and emits fault message - Control unit -J393 cannot output required data due to a fault in an upstream component and emits fault message
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- Interrogate fault memory of control unit -J393
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No communication (timeout) /SP
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- Open circuit in both data wires (convenience data bus) between control unit -J393 and -E87 (heating)
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- Use current flow diagram to locate and eliminate open circuit or loose contact in both data wires (convenience data bus) between control unit -J393 and -E87 (heating) Check convenience data bus
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Continued ▼
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Note:
Reception of data is displayed in measured value block (display group 125) =>Reading measured value block, Page 01-114.
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01336
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Group convenience data bus
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Defective (bus off)
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- Open circuit or short to earth/positive in data wire of bus system - Short circuit between data wires of bus system
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- Use current flow diagram to locate and eliminate short (to earth, positive or between data wires) or open circuit in wiring in bus system
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- Data wires of bus system interchanged
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- Use current flow diagram to check data wires of bus system (convenience data bus)
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- Destruction of data telegram transmitted by control unit linked to bus system
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- Check convenience data bus
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Continued ▼
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01336
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(Fault 01336 continued)
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Defective (bus off)
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- Control unit not designed for data bus linked to bus system
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- Check part nos. of all control units linked to bus system => Parts List
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In one-wire operation
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- Open circuit or short to earth/positive in data wire of bus system
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- Use current flow diagram to locate and eliminate short (to earth, positive or between data wires) or open circuit in wiring in bus system (convenience data bus)
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- Destruction of data telegram transmitted on one of the two data wires by control unit linked to bus system
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- Check convenience data bus
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Continued ▼
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Note:
Reception of data is displayed in measured value block (display group 125) =>Reading measured value block, Page 01-114.
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01593
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Heated front window -Z2
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Short to positive /SP
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- Encoding of -E87 (heating) not performed in specified manner
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- Check encoding of -E87 (heating) (encoding of -E87 (heating) for specific equipment features)
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- Short circuit or open circuit in wiring between heated windscreen control unit -J505 and -E87 (heating) - Open circuit in power supply or in earth connection to heated windscreen control unit -J505 - Control unit -J505 defective
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- Use current flow diagram to locate and eliminate short circuit/open circuit in wiring Check actuation of heated windscreen -Z2 => Page 01-149 Replace control unit -J505
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Notes:
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◆ If, on a vehicle with no heated windscreen -Z2, -E87 (heating) is encoded for heated windscreen, fault "Open circuit/short to earth"or "Short to positive" will be entered (depending on software version in -E87 (heating)).
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01794
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Control unit/incorrect chassis number
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- Chassis number stored in operating and display unit for air conditioner/Climatronic -E87(heating) not the same as that transmitted by convenience data bus
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- Check transmitted/actual chassis numbers and compare to chassis number stored in -E87 (heating) => Page 01-203
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Notes:
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◆ New replacement operating and display unit for air conditioner/Climatronic -E87 (heating) is supplied without chassis number. When ignition is first switched on following installation, chassis number transmitted via convenience data bus is read into -E87 (heating) and stored (anti-theft protection).
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◆ Chassis number stored in operating and display unit for air conditioner/Climatronic -E87 (heating) is displayed in display group "081" => Page 01-177 (Function "Reading measured value block, display group 081).
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◆ If -E87 (heating) is transferred to another vehicle, for example, transmitted and stored chassis numbers no longer coincide and fault "Control unit/incorrect chassis number" is stored in -E87 (heating). Entering PIN in adaption function erases chassis number stored in operating and display unit for air conditioner/Climatronic -E87 (heating) => Page 01-203.
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01809
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Positioning motor for temp. flap L -V158
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Blocked or deenergised /SP
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- Short circuit, open circuit in wiring or wiring fault between -V158 and -E87 (heating) - Left temperature flap stiff - Temperature flap control motor, left -V158 defective
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- Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or wiring fault Check freedom of movement of left temperature flap Check temperature flap control motor, left -V158 =>Final control diagnosis, Page 01-85
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01810
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Positioning motor for temp. flap R -V159
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Blocked or deenergised /SP
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- Short circuit, open circuit in wiring or wiring fault between -V159 and -E87 (heating) - Right temperature flap stiff - Temperature flap control motor, right -V159 defective
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- Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or wiring fault Check freedom of movement of right temperature flap Check temperature flap control motor, right -V159 =>Final control diagnosis, Page 01-85
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01841
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Potentiometer in V158 -G220
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Short to earth /SP Open circuit/short to positive /SP
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- Short circuit, open circuit in wiring or wiring fault between -G220 and -E87 (heating) - Potentiometer -G220 in -V158 defective
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- Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or wiring fault Replace control motor -V158
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Adaption limit exceeded
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- Temperature flap stiff - Potentiometer -G220 in -V158 defective
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- Check freedom of movement of temperature flap Replace control motor -V158
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Notes:
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◆ Fault "Adaption limit exceeded" is only detected during basic setting. If this fault is present, a substitute value is stored as adaption value (learned value for this potentiometer) and displayed in appropriate measured value block.
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◆ If fault "Adaption limit exceeded" is displayed, check that flap reaches both end stops and that operating levers are not subject to excessive play (worn).
Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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01842
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Potentiometer in V159 -G221
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Short to earth /SP Open circuit/short to positive /SP
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- Short circuit, open circuit in wiring or wiring fault between -G221 and -E87 (heating) - Potentiometer -G221 in -V159 defective
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- Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or wiring fault Replace control motor -V159
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Adaption limit exceeded
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- Temperature flap stiff - Potentiometer -G221 in -V159 defective
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- Check freedom of movement of temperature flap Replace control motor -V159
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Notes:
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◆ Fault "Adaption limit exceeded" is only detected during basic setting. If this fault is present, a substitute value is stored as adaption value (learned value for this potentiometer) and displayed in appropriate measured value block.
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◆ If fault "Adaption limit exceeded" is displayed, check that flap reaches both end stops and that operating levers are not subject to excessive play (worn).
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Display on VAS 5051 and output on printer
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Possible cause of trouble
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Fault remedy
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65535
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Control unit defective /SP
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- Open circuit in wiring to -E87 (heating) (terminal 30, 75 or terminal 31) - Loose contact or contact resistance in wiring to operating and display unit for air conditioner/Climatronic -E87 (heating) - -E87 buttons constantly pressed (button sticking) - Fault in -E87 (heating) program sequence - Operating and display unit for air conditioner/Climatronic -E87 (heating) defective
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- Use current flow diagram to locate and eliminate fault in wiring
Check -E87 (heating) buttons for dirt and clean if necessary Replace operating and display unit for air conditioner/Climatronic -E87 (heating)
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