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ESP fault table
Fault table
Notes on fault table
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◆ On account of the interlinking of control units by way of a data bus wire, always start fault-finding by implementing "Automatic test sequence" with key function 0 and 0 for all control units in the vehicle so as to interrogate their fault memories.
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◆ Listed in the following in ascending order of 5-digit fault codes are all the faults which can be detected by the ABS with EDL control unit -J104 and printed out on V.A.G 1551 or VAS 5051.
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◆ If faults only occur intermittently or if fault memory is not erased after fault elimination, such faults are displayed for a specified period as being "sporadic faults" -SP- => ABS with EDL control unit -J104 fault recognition, Page 01-155.
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◆ The fault code only appears on the printout (in "Rapid data transfer" mode).
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Example:
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Fault code
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Fault type code
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5-digit
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3-digit
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00283
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035
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◆ The three-digit fault type code next to the fault code is a data code which can be ignored. Use is however to be made of the text relating to the type of fault.
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◆ The "Fault remedy" column makes reference to the individual test steps in the electrical check.
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◆ Before replacing components shown to be faulty, use current flow diagram to check all corresponding connectors, wires and earth connections.
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◆ On completion of repairs, always interrogate fault memory again with fault reader V.A.G 1551 or VAS 5051, erase it and perform test drive (at more than 20 km/h).
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◆ Always interrogate fault memory again after completing test drive.
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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No faults detected
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Self-diagnosis is over if "No faults detected" appears on completion of repair work.
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Proceed as follows if ABS/ESP does not function properly despite "No faults detected" appearing on display or if ESP warning lamp lights:
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1. Perform test drive at more than 20 km/h.
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2. Interrogate fault memory again; if there is still no fault stored:
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3. Continue fault-finding without self-diagnosis and work through entire electrical check .
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00283
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Speed sensor front left -G47
open circuit/short to positive
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- Open circuit, short to positive/earth or loose contact in wiring between front left speed sensor -G47 and ABS with EDL control unit -J104
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- Check wiring, connectors
=>Test step no. 5
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Speed sensor front left -G47 signal outside tolerance1)
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- Excessive air gap between speed sensor and rotor (signal not OK)
- Excessive wheel bearing clearance
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- Check speed sensor and rotor for damage
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Speed sensor front left -G47 mechanical fault1)
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- Rotor or speed sensor damaged or dirty
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- Check speed sensor and rotor for damage; check, clean or replace speed sensor/rotor
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If fault still present:
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1) Type of fault; this fault can only be recognised as of 20 km/h (perform test drive)
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00285
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Speed sensor front right -G45
open circuit/short to positive
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- Open circuit, short to positive/earth or loose contact in wiring between front right speed sensor -G45 and ABS with EDL control unit -J104
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- Check wiring, connectors
=>Test step no. 6
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Speed sensor front right -G45 signal outside tolerance1)
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- Excessive air gap between speed sensor and rotor (signal not OK)
- Excessive wheel bearing clearance
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- Check speed sensor and rotor for damage
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Speed sensor front right -G45 mechanical fault1)
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- Rotor or speed sensor damaged or dirty
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- Check speed sensor and rotor for damage; check, clean or replace speed sensor/rotor
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If fault still present:
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1) Type of fault; this fault can only be recognised as of 20 km/h (perform test drive)
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00287
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Speed sensor rear right -G44
open circuit/short to positive
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- Open circuit, short to positive/earth or loose contact in wiring between rear right speed sensor -G44 and ABS with EDL control unit -J104
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- Check wiring, connectors
=>Test step no. 7
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Speed sensor rear right -G44 signal outside tolerance1)
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- Excessive air gap between speed sensor and rotor (signal not OK)
- Excessive wheel bearing clearance
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- Check speed sensor and rotor for damage
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Speed sensor rear right -G44 mechanical fault1)
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- Rotor or speed sensor damaged or dirty
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- Check speed sensor and rotor for damage; check, clean or replace speed sensor/rotor
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If fault still present:
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1) Type of fault; this fault can only be recognised as of 20 km/h (perform test drive)
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00290
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Speed sensor rear left -G46
open circuit/short to positive
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- Open circuit, short to positive/earth or loose contact in wiring between rear left speed sensor -G46 and ABS with EDL control unit -J104
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- Check wiring, connectors
=>Test step no. 8
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Speed sensor rear left -G46 signal outside tolerance1)
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- Excessive air gap between speed sensor and rotor (signal not OK)
- Excessive wheel bearing clearance
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- Check speed sensor and rotor for damage
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Speed sensor rear left -G46 mechanical fault1)
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- Rotor or speed sensor damaged or dirty
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- Check speed sensor and rotor for damage; check, clean or replace speed sensor/rotor
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If fault still present:
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1) Type of fault; this fault can only be recognised as of 20 km/h (perform test drive)
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00538
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Power supply of senders
Reference voltage
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- Open circuit or short to positive/earth in wiring
- Yaw rate sender
- Lateral acceleration sender
- Brake pressure senders
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- Check fuses, wiring, connectors and power supply for control unit =>Test step nos. 14, 15, 16 and 17 => Page 01-136
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00668
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Vehicle voltage terminal 30
Signal outside tolerance
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- Open circuit or short to positive/earth in wiring
- Check fuses S C/60A
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- Check fuses, wiring, connectors and power supply for control unit =>Test step nos. 1 and 2 => Page 01-120
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00778
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Steering angle sender -G85
No communication
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- Open circuit or loose contact in data bus wires between steering angle sender -G85 and ABS with EDL control unit -J104
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- Check fuses, wiring, connectors and power supply for control unit =>Test step no. 13
=> Page 01-134
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Check specifications of:
- Steering angle sender -G85
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- Function 08 "Reading measured value block" , Display group number 004
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- Steering angle sender -G85 defective
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- Replace steering angle sender
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- Then perform zero position compensation
=> Page 01-70
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00778
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Steering angle sender -G85
No or incorrect setting
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- No or incorrect setting values transmitted by steering angle sender -G85
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- Perform zero position compensation for steering angle sender => Page 01-70
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00778
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Steering angle sender -G85
Mechanical fault
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- Steering angle sender -G85 not correctly positioned
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- Check installation position of steering angle sender
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- Wheel alignment not OK
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- Perform wheel alignment
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- Steering wheel detached and zero position compensation not subsequently performed
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- Then perform zero position compensation
=> Page 01-70
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00810
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Brake pressure senders 1/2
Implausible signal
Sender 1 -G201
Sender 2 -G214
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- Open circuit in earth connection for brake pressure sender 1 or 2
- Short circuit in signal wire to brake pressure sender 1 or 2
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- Check fuses, wiring, connectors and power supply for control unit =>Test step nos. 16 and 17 => Page 01-85
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- Brake pressure sender 1 -G201 or brake pressure sender 2 -G214 defective
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- Replace brake pressure sender 1 or 2
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- Perform zero position compensation
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- Failure of hydraulic brake circuit
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- Check brake system
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00812
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Brake pressure solenoid trip switch -F841)
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- Open circuit or short to positive/earth in wiring to brake detection switch, ESP -F83
- Check brake detection switch, ESP -F83
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- Use current flow diagram to check wiring, connectors and earth wires =>Test step no. 19 , Display group number 031
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- Brake servo defective
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- If fault still present:
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1) Brake pressure solenoid trip switch -F84 and brake detection switch, ESP -F83 are identical
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00813
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Brake pressure sender 2 -G214
Electr. fault in circuit
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- Open circuit or loose contact in wiring between brake pressure sender 2 -G214 and ABS with EDL control unit -J104
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- Check fuses, wiring, connectors and power supply for control unit =>Test step no. 17 => Page 01-110, Electrical Check
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- Brake pressure sender 2 -G214 defective
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- Replace brake pressure sender 2
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- Perform zero position compensation
Function 04 "Basic setting" , Display group number 66
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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00814
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Brake pressure solenoid -N247
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- Open circuit or loose contact in wiring between brake pressure solenoid valve -N247 and ABS with EDL control unit -J104
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- Check fuses, wiring, connectors and power supply for control unit =>Test step no. 18 => Page 01-110, Electrical Check
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- Brake pressure solenoid valve, in brake servo -N247 defective
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- Perform functional test
Function 04 "Basic setting" , Display group number 31
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- Brake servo defective
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- If fault still present:
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- Output stage in ABS with EDL control unit -J104 defective
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- If fault still present:
Replace ABS with EDL control unit -J104
=> Brake System; Repair Group 45; Exploded view of ESP components01-67, Display group numbers 60, 63 and 66
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Output on printer of
V.A.G 1551
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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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- Incorrect code number entered via V.A.G 1551
- Contacts 2 and 14 at control unit in use
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- Check control unit encoding
Check fuses, wiring, connectors and power supply for control unit
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01130
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ABS operation
Implausible signal1)
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- Electrical interference from external sources (high-frequency irradiation, e.g. non-insulated ignition cables)
- Open circuit, short to positive/earth or loose contact in wiring
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- Check for short to positive/earth in all wires and connectors
Erase fault memory
Perform test drive at more than 20 km/h
Interrogate fault memory again
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If fault still present:
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- Replace ABS with EDL control unit -J104
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1) Type of fault; this fault can only be recognised as of 20 km/h (perform test drive)
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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01276
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ABS hydraulic pump
-V64
Signal outside tolerance1)
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- Internal link between electric motor and control unit
- Short to positive/earth or open circuit
- Control unit defective
- Pump motor defective
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- Use current flow diagram to check wiring, connectors and earth wires
=>Test step no. 1
Try replacing control unit if pump motor does not start up during final control diagnosis
Replace hydraulic unit if fault is still present
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- Replace control unit
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1) Type of fault; this fault can only be recognised as of 20 km/h (perform test drive)
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Output on printer of
V.A.G 1551
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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
defective1)
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- Open circuit, short to positive/earth or loose contact in data bus wire
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- Use current flow diagram to check for open circuit or short circuit in data wire
=>Test step no. 20 , Electrical Check
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1) Occurs with ESP in combination with fault: Steering angle sender -G85 no communication
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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01314
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Engine control unit
Read out fault memory
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- Fault in engine control unit
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- Read out engine control unit fault memory
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01314
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Engine control unit
No communication
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- Open circuit
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- Use current flow diagram to check for open circuit or short circuit in data wire =>Test step no. 20 , Electrical Check
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01315
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Gearbox control unit1)
No communication
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- Open circuit
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- Use current flow diagram to check for open circuit or short circuit in data wire =>Test step no. 20 , Electrical Check
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1) Vehicles with automatic gearbox only
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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01423
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Lateral acc. sender -G200
Electr. fault in circuit
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- Open circuit, short to positive/earth or loose contact in wiring between lateral acceleration sender -G200 and ABS with EDL control unit -J104
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- Check lateral acceleration sender
Function 08 "Reading measured value block" , Electrical Check
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- Lateral acceleration sender
- -G200 incorrectly positioned
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- Check installation position of lateral acceleration sender
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- Lateral acceleration sender -G200 defective
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- Replace lateral acceleration sender
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- Perform zero position compensation
Function 04 "Basic setting" , Display group number 63
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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01423
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Lateral acc. sender -G200
Implausible signal
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- Lateral acceleration sender
- -G200 incorrectly positioned
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- Check lateral acceleration sender
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- Lateral acceleration sender -G200 defective
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- Replace lateral acceleration sender
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- Perform zero position compensation
Function 04 "Basic setting" , Display group number 63
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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01435
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Brake pressure sender 1 -G201
Electr. fault in circuit
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- Open circuit or loose contact in wiring between brake pressure sender 1 -G201 and ABS with EDL control unit -J104
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- Check brake pressure sender 1
Function 08 "Reading measured value block"
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- Brake pressure sender 1 -G201 defective
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- Replace brake pressure sender 1
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- Perform zero position compensation
Function 04 "Basic setting" , Display group number 66
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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01542
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Yaw rate sender -G202
Implausible signal
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- Open circuit in earth connection for yaw rate sender -G202
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- Check yaw rate sender
Function 08 "Reading measured value block"
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- Yaw rate sender -G202 incorrectly positioned
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- Check installation position of yaw rate sender
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- Yaw rate sender -G202 defective
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- Replace yaw rate sender -G202
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Output on printer of
V.A.G 1551
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Possible cause of trouble
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Fault remedy
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01542
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Yaw rate sender -G202
Electr. fault in circuit
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- Open circuit, short to positive/earth or loose contact in wiring between yaw rate sender -G202 and ABS with EDL control unit -J104
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- Check yaw rate sender
Function 08 "Reading measured value block"
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- Yaw rate sender -G202 defective
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- Replace yaw rate sender -G202
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65535
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Control unit defective
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- Control unit defective
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- Replace control unit
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- Perform zero position compensation
Function 04 "Basic setting" , Display group numbers 60, 63 and 66
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