sensor VOLKSWAGEN JETTA 1998 Repair Manual

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V.A.G 1551 print-
out Possible cause
Repair
00290
Left rear ABS
wheel speed
sensor -G46-
1)
Mechanical
malfunction
Excessive air gap between
Left rear ABS wheel speed
sensor -G46- and rotor
(signal not OK) Repair Manual, Brake System,
Repair Group 45; Removing and
installing parts of ABS system on
front and rear axles - Check installation of speed sensor -
G46- and rotor
- Read measured value block
Page 01
-240 Display group numbers
001 and 002
- Perform test drive

Short to positive or ground in
wiring - Check wiring and connections
using wiring diagram
- Perform electrical check Page
01-288
Left rear ABS wheel speed
sensor -G46- faulty
Repair Manual, Brake System,
Repair Group 45 - Replace Left rear ABS wheel speed
sensor -G46-
1) This DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 44из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-out
Possible cause
Repair
00493
ESP-Sensor Unit, vehicles
from 02.02
No Signal/Communication
or
ESP-Sensor Unit faulty
Open circuit, short to
positive or ground in
CANbus wiring

ESP-Sensor Unit -
G419- faulty
Brake systems; Repair group 45;
Removing and installing parts of
ESP system - Check wiring and connectors of
data bus wiring using current flow
diagram
- Perform electrical check Page
01-288
- Replace ESP-Sensor Unit -G419-
- Perform a zero compensation:
- Initiate basic setting Page 01
-
264 Display group number 063
- Initiate basic setting Page 01-
264 Display group number 0691)
1) 4MOTION vehicles only
Стр. 45из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-out
Possible cause
Repair
00495
ESP-Sensor Unit,
vehicles from 02.02
Voltage supply

Open circuit, short to positive or
ground in CANbus wiring - Check wiring and connections
using wiring diagram
- Perform electrical check
Page 01
-288
Стр. 46из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-out
Possible cause
Repair
00538
Reference voltage
Electrical malfunction in
current circuit
Short to positive or ground in
voltage supply wiring:

Voltage supply less than 5
Volt

Sender for rotation rate -
G202-

Sensor for transverse
acceleration -G200-

Sender 1 for brake booster -
G201-

Longitudinal acceleration
sensor -G251
-1) - Check wiring and connections
using wiring diagram

- Perform electrical check
Page 01
-288
1) 4MOTION vehicles only
Стр. 48из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-out
Possible cause
Repair
00778
Steering angle sensor -
G85-
No
signal/communication
1)
Open circuit or loose contact
in data bus wiring between
steering angle sensor -G85-
and control module -J104-

Terminals 15 and 30 on
steering angle sensor -G85-,

Ground not present- Check wiring and
connections using wiring
diagram

- Perform electrical check
Page 01
-288

Steering angle sensor -G85-
faulty
Repair Manual, Brake
System, Repair Group 45;
Removing and installing parts
of ESP system - Replace steering angle
sensor -G85-
- Perform a zero
compensation:
- Initiate basic settings Page
01-264 Display group number
060
1) For ABS/EDL/ASR/ESP and ABS/EDL/ASR/ESP 4MOTION
Стр. 50из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551
print-out Possible cause
Repair
00778
Steering angle
sensor -G85-
1)
Mechanical
malfunction


Steering wheel has been
removed and no subsequent
zero compensation performed - Perform a zero compensation:
- Initiate basic settings Page 01
-
264 Display group number 060

Check specification from
steering angle sensor -G85- - Read measured value block
Page 01
-240 Display group number
004

Steering geometry of
suspension is not OK.
Repair Manual, Suspension,
Wheels, Steering, Repair Group 44;
Vehicle alignment - Check vehicle alignment

Installation of steering angle
sensor -G85- is not OK - Check installation of steering angle
sensor -G85-


Steering angle sensor -G85-
faulty
Repair Manual, Brake System,
Repair Group 45; Removing and
installing parts of ESP system - Replace steering angle sensor -
G85-
1) For ABS/EDL/ASR/ESP and ABS/EDL/ASR/ESP 4MOTION
Стр. 51из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-out
Possible cause
Repair
00778
Steering angle sensor
-G85-
Implausible signal
1)
Installation of steering
angle sensor -G85- is not
OK.
Repair Manual, Brake System,
Repair Group 45; Removing and
installing parts of ESP system - Check installation of steering
angle sensor -G85-

Steering geometry of
suspension is not OK.
Repair Manual, Suspension,
Wheels, Steering, Repair Group 44;
Vehicle alignment - Check vehicle alignment

Unacceptable vibrations in
steering due to wear - Perform a zero compensation:
- Initiate basic settings Page 01
-
264 Display group number 060
00778
Steering angle sensor
-G85-
1)
No, or incorrect, basic
setting/adaption
Steering angle sensor -
G85- sends no, or
incorrect, setting values - Perform a zero compensation:
- Initiate basic setting Page 01
-
264 Display group number 060
1) For ABS/EDL/ASR/ESP and ABS/EDL/ASR/ESP 4MOTION
Стр. 52из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551
print-out Possible cause
Repair
00778
Steering angle
sensor -G85-
Faulty
1)
Steering angle sensor -G85-
faulty
Repair Manual, Brake System,
Repair Group 45; Removing and
installing parts of ESP system - Replace steering angle sensor -
G85-
- Perform a zero compensation:
- Initiate basic settings Page 01
-
264 Display group number 060
01044
Control module
incorrectly
coded
ABS Control Module (w/EDL) -
J104- incorrectly coded - Re-code for ABS Control Module
(w/EDL) -J104- Page 01
-232

Coding bridge in multi-pin
connector to ABS Control
Module (w/EDL) -J104- open or
short circuit Electrical Wiring Diagrams,
Troubleshooting &Component
Locations binder - Check wiring and connections
using wiring diagram
1) For ABS/EDL/ASR/ESP and ABS/EDL/ASR/ESP 4MOTION
Стр. 53из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551
print-out Possible cause
Repair
01164
ESP
operation
Implausible
signal
1)
Electrical interferences from other
sources (high frequency radiation e.g.
uninsulated ignition cable) - Erase DTC memory
- Perform test drive at more
than 20 km/h (13 mph)
- Check DTC memory again


Open circuit, short to positive or ground
in the wiring - Check wiring and
connections using wiring
diagram

- Perform electrical check
Page 01
-288

Steering angle sensor -G85- sends
incorrect setting values - Perform a zero
compensation:
- Initiate basic setting Page
01-264 Display group number
060

ABS Control Module (w/EDL) -J104-
faulty
Repair Manual, Brake
System, Repair Group 45 - Replace ABS Control Module
(w/EDL) -J104-
1) This DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 55из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-out
Possible cause
Repair
01279
Longitudinal
acceleration sensor -
G251-
1)
Electrical malfunction
in current circuit
Voltage supply less than 5
Volt - Read measured value block
Page 01
-240 Display group number
006

Open circuit, short to
positive or ground in the
wiring - Check wiring and connections
using wiring diagram
- Perform electrical check Page
01-288

Longitudinal acceleration
sensor -G251- faulty
Repair Manual, Brake System,
Repair Group 45 - Replace longitudinal acceleration
sensor -G251-
- Perform a zero compensation:
- Introduce basic setting Page
01-264 Display group number 069
1) 4MOTION vehicles only
Стр. 58из 129 On Board Diagnostic (OBD), performing