Audi Workshop Service and Repair Manuals

List of available measured value blocks (display groups)

Display group number	Display zone	Designation	Explanatory notes, page
001	1	Control current for actuating air conditioning system compressor regulating valve -N280- in amps	→ Chapter
	2	Actuation of air conditioning system compressor regulating valve -N280- in % –  Ratio of actuation signal
	3	Signal from high-pressure sender -G65- in % –  Signal ratio as a function of pressure in refrigerant circuit
	4	Pressure in refrigerant circuit in bar –  Calculated via ratio of signal from high-pressure sender -G65- by operating and display unit, Climatronic control unit -J255-
002	1 ... 4	The last four compressor shutoff criteria which were active for more than 20 or 12 seconds	→ Chapter
003	1 ... 4	Left temperature flap control motor -V158-	→ Chapter
004	1 ... 4	Right temperature flap control motor -V159-	→ Chapter

Display group number	Display zone	Designation	Explanatory notes, page
005	1 ... 4	Defroster flap control motor -V107-	→ Chapter
006	1 ... 4	Central flap control motor -V70-	→ Chapter
007	1 ... 4	Air flow flap control motor -V71- –  Left-hand drive vehicles –  Not used on right-hand drive vehicles (control motor not fitted)	→ Chapter
008	1 ... 4	Air recirculation flap control motor -V113-	→ Chapter
009	1	Measured value of left footwell vent temperature sender -G261- in ° C	→ Chapter
	2	Measured value of right footwell vent temperature sender -G262- in ° C
	3	Measured value of left vent temperature sender -G150- in ° C
	4	Measured value of right vent temperature sender -G151- in ° C

Display group number	Display zone	Designation	Explanatory notes, page
010	1	Measured value of evaporator outflow temperature sender -G263- in ° C	→ Chapter
	2	Measured value of fresh-air intake duct temperature sensor -G89- in ° C
	3	Calculated value transmitted by control unit in dash panel insert -J285- (filtered value) for currently valid ambient temperature in ° C
	4	Measured value transmitted by control unit in dash panel insert -J285- (non-filtered value) of ambient temperature sensor -G17- in ° C
011	1	Measured value of dash panel temperature sensor -G56- in ° C –  Installed in operating and display unit, Climatronic control unit -J255-	→ Chapter
	2	Speed of temperature sensor blower -V42- –  Installed in operating and display unit, Climatronic control unit -J255-
	3	Coolant temperature in ° C transmitted by control unit in dash panel insert -J285-
	4	Actuation of output for idling speed increase –  From operating and display unit, Climatronic control unit -J255- to relevant engine control unit –  Display: “On” or “Off”

Display group number	Display zone	Designation	Explanatory notes, page
012	1	Current engine speed in rpm transmitted by control unit in dash panel insert -J285-	→ Chapter
	2	Vehicle speed in km/h transmitted by control unit in dash panel insert -J285-
	3	Status of torque required for compressor operation displayed in zone “4”
	4	Engine torque in Nm required for compressor operation calculated by operating and display unit, Climatronic control unit -J255-

Display group number	Display zone	Designation	Explanatory notes, page
013	1	Actuation of fresh air blower -V2- in % –  Via fresh air blower control unit -J126-	→ Chapter
	2	Speed of fresh air blower -V2- in rpm –  Calculated via ratio of signal from fresh air blower control unit -J126- by operating and display unit, Climatronic control unit -J255-
	3	Voltage transmitted by control unit in dash panel insert -J285- at terminal “58d” in % or V
	4	Voltage transmitted by control unit in dash panel insert -J285- at terminal “58s” in % or V
014	1	Actuation of radiator fan(s) -V7- in % –  From operating and display unit, Climatronic control unit -J255- to relevant engine control unit –  Engine control unit actuates radiator fan control unit -J293-	→ Chapter and → Chapter
	2	Feedback from relevant engine control unit for actuation of radiator fans -V7- in % to radiator fan control unit -J293- –  Only used on vehicles with operating and display unit, Climatronic control unit -J255- as of hardware/software version “0203”
	3	Signal from air quality sensor -G238-
	4	Request for fresh or recirculated-air mode

Display group number	Display zone	Designation	Explanatory notes, page
015	1	Actuation of heated rear window -Z1- –  Display: “On” or “Off”	→ Chapter
	2	Signal for actuation of heated windscreen -Z2- –  Only applicable to vehicles with heated windscreen -Z2- as optional extra
	3	Actuation of supplementary heater –  Different versions (electrical or fuel-driven supplementary heater) –  Actuation of electrical supplementary heater on vehicles with diesel engine only –  Actuation of auxiliary heater as fuel-driven supplementary heater
	4	Position of convertible top on Audi Cabrio –  Display only applicable to Cabrio –  Display: “Open” or “Closed”
016	1	Measured value of sunlight penetration photosensor -G107- –  Measured value for left side in V	→ Chapter
	2	Measured value of sunlight penetration photosensor -G107- –  Measured value for left side in W per m2 –  Calculated by operating and display unit, Climatronic control unit -J255- by way of measured voltage
	3	Measured value of sunlight penetration photosensor -G107- –  Measured value for right side in V
	4	Measured value of sunlight penetration photosensor -G107- –  Measured value for right side in W per m2 –  Calculated by operating and display unit, Climatronic control unit -J255- by way of measured voltage

Display group number	Display zone	Designation	Explanatory notes, page
017	1	Transmitted by control unit in dash panel insert -J285-, voltage at terminal “15” –  Display: “On” or “Off”	→ Chapter
	2	Transmitted by control unit in dash panel insert -J285-, voltage at terminal “75” –  Display: “On” or “Off”
	3	Voltage from terminal “75” to operating and display unit, Climatronic control unit -J255- –  Display: “On” or “Off”
	4	Voltage measured by operating and display unit, Climatronic control unit -J255- at terminal “30” in V
018	1	Standing time transmitted by control unit in dash panel insert -J285- –  Signal for “ignition off period” in hours –  Time since ignition last switched off	→ Chapter
	2	Ignition key assignment transmitted by control unit in dash panel insert -J285-
	3	Windscreen wiper ON signal –  Wipe/wash or wipe mode –  Transmitted by steering column electronics control unit -J527-
	4	Duty cycle for operating status of fresh air blower -V2- in % –  Calculated and transmitted by fresh air blower control unit -J126-

Display group number	Display zone	Designation	Explanatory notes, page
019	1	Encoding transmitted by convenience system central control unit -J393- and control unit in dash panel insert -J285- (code “1”)	→ Chapter
	2	Encoding transmitted by control unit in dash panel insert -J285- (code “2”)
	3	Display zone not used
	4	Display zone not used
020	1	Position in % of knurled wheel for heated driver seat cushion installed in operating and display unit, Climatronic control unit -J255- –  Not applicable to vehicles with no “heated seat cushion” optional extra	→ Chapter
	2	Measured actual temperature of driver seat cushion heater element in °C –  Not applicable to vehicles with no “heated seat cushion” optional extra
	3	Specified temperature of driver seat cushion heater element in °C –  Not applicable to vehicles with no “heated seat cushion” optional extra
	4	Actuation of driver seat cushion heater element –  Display: “On” or “Off” –  Not applicable to vehicles with no “heated seat cushion” optional extra

Display group number	Display zone	Designation	Explanatory notes, page
021	1	Position in % of knurled wheel for heated front passenger seat cushion installed in operating and display unit, Climatronic control unit -J255- –  Not applicable to vehicles with no “heated seat cushion” optional extra	→ Chapter
	2	Measured actual temperature of front passenger seat cushion heater element in °C –  Not applicable to vehicles with no “heated seat cushion” optional extra
	3	Specified temperature of front passenger seat cushion heater element in °C –  Not applicable to vehicles with no “heated seat cushion” optional extra
	4	Actuation of front passenger seat cushion heater element on or off –  Display: “On” or “Off” –  Not applicable to vehicles with no “heated seat cushion” optional extra

Display group number	Display zone	Designation	Explanatory notes, page
022	1	Input for actuation of operating and display unit, Climatronic control unit -J255- via auxiliary heater –  Display: “On” or “Off” –  Intended for vehicles with service installed auxiliary heater	→ Chapter
	2	Auxiliary heating/auxiliary ventilation activation signal from control unit in dash panel insert -J285- –  Intended for vehicles with genuine auxiliary heater fitted or supplied by Audi as optional extra
	3	Activation signal for fresh air blower -V2- from auxiliary heater –  Intended for vehicles with genuine auxiliary heater fitted or supplied by Audi as optional extra
	4	Maximum remaining ON time for auxiliary heating/auxiliary ventilation –  Calculated by operating and display unit, Climatronic control unit -J255- –  Intended for vehicles with genuine auxiliary heater fitted or supplied by Audi as optional extra

Display group number	Display zone	Designation	Explanatory notes, page
026 and 027	1...4	Ambient conditions under which pressure in refrigerant circuit was not OK –  Signal from high-pressure sender -G65- outside permissible range	→ Chapter
028	1...4	Display zones not used –  Operating and display unit, Climatronic control unit -J255- up to part no. with index “AH” –  Fitted on vehicles up to chassis number “399999” in Model Year 2005 (Saloon and Avant) and “012912” in Model Year 2005 (Cabrio) → Parts catalogue
		Display of altered settings in the adaption channels listed –  Operating and display unit, Climatronic control unit -J255- with part no. as of index “AJ” –  Fitted on vehicles as of chassis number “400000” in Model Year 2005 (Saloon and Avant) and “012913” in Model Year 2005 (Cabrio) → Parts catalogue	→ Chapter
081	1	Operating and display unit, Climatronic control unit -J255- up to hardware/software version “0610” –  Display zone not used	→ Chapter
		Operating and display unit, Climatronic control unit -J255- as of hardware/software version “0711” –  Vehicle chassis number transmitted by control unit in dash panel insert -J285-
	2...4	Display zones not used –  Intended for assembly and serial number of operating and display unit, Climatronic control unit -J255- (introduction not yet finalised, no service relevance at present)

Display group number	Display zone	Designation	Explanatory notes, page
125	1	Information from control unit in dash panel insert -J285- –  The information is transmitted on the convenience data bus system	→ Chapter
	2	Information from convenience system central control unit -J393- –  The information is transmitted on the convenience data bus system
	3	Information from on-board supply control unit -J519- –  The information is transmitted on the convenience data bus system
	4	Information from steering column electronics control unit -J527- –  The information is transmitted on the convenience data bus system
126	1	Information from auxiliary heater control unit -J364- –  The information is transmitted on the convenience data bus system –  Intended for vehicles with genuine auxiliary heater fitted or supplied by Audi as optional extra	→ Chapter
	2	Information from convertible top operation control unit -J256- –  The information is transmitted on the convenience data bus system –  Only provided for Cabrio

Display group number	Display zone	Designation	Explanatory notes, page
126	3	Display zone not used –  Operating and display unit, Climatronic control unit -J255- up to part no. with index “G”	→ Chapter
		Information from control unit in dash panel insert -J285- –  Only displayed by operating and display units, Climatronic control unit -J255- with part no. as of index “H” –  The information is transmitted on the convenience data bus system
	4	Operating status of convenience data bus system

Display groups not used at present for service purposes or not assigned

Display group number	Display zone	Designation	Explanatory notes, page
023 to 025	1...4	Display zones not used –  These display groups cannot be called up by service personnel
029 to 079	1...4	Display zones not used –  These display groups cannot be called up by service personnel
080 and 082	1...4	Display groups currently not used for service purposes –  Display of manufacturer information for operating and display unit, Climatronic control unit -J255-	→ Chapter
083 to 124	1...4	Display zones not used –  These display groups cannot be called up by service personnel
127	1...4	Version numbers of operating and display unit, Climatronic control unit -J255-	→ Chapter