1998 VOLKSWAGEN BORA brake

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-
Press key.
ABS hydraulic pump -V64 no longer runs.
Output Diagnosic Test Mode
-
IRR: VBAT ORR: 0V Wheel RR free
Indicated on display
Brake pedal must give perceptibly
If the brake pedal does not give, there is a
malfunction in the hydraulic unit. In this
case the hydraulic unit must be replaced.
Repair Manual, Brake System, Repair
Group 45 -
Press key.
Output Diagnosic Test Mode
-
IRR: 0V ORR: 0V Wheel RR locked
Indicated on display
Note:
If the wheel does not lock, there is a
possibility that there is a malfunction in the
mechanical/hydraulic part of the brake
system. - Indicate to 2nd mechanic which wheel
requires turning by hand.
Стр. 28из 129 On Board Diagnostic (OBD), performing

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-
Press key.
Output Diagnosic Test Mode
-
Release brakes
Indicated on display
- Remove foot from brake pedal.
-
Press key.
Output Diagnosic Test Mode
-
EDL valves/Hyd-P: VBAT Wh FL/FR locked
Indicated on display (vehicles with EDL)
A 2nd mechanic is required to rotate the
respective wheel by hand.
If the wheels do not lock, there is a
malfunction in the hydraulic part of the ABS
system. In this case the hydraulic unit must
be replaced.
Repair Manual, Brake System, Repair
Group 45
Стр. 29из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-
out Possible cause
Repair
No DTC recognized If "No DTC recognized" appears after carrying out repairs, On Board
Diagnostic (OBD) is ended.
If, despite "No DTC recognized" appearing in the display, the ABS
system does not function properly, then proceed as follows:
1. Carry out road test exceeding 20 km/h (13 mph),
2. Again check DTC memory, if there is still no DTC stored,
3. Continue troubleshooting without OBD and work through the
complete
Electrical check Page 01
-288 .
00003
Fault number:
00003 / literature ABS Control Module (w/EDL) -
J104- malfunction
Repair Manual, Brake System,
Repair Group 45 - Replace ABS Control Module
(w/EDL) -J104-
Стр. 32из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-
out Possible cause
Repair
00283
Left front ABS
wheel speed
sensor -G47-
1)
Electrical
malfunction in
current circuit
Open circuit in wiring between
left front ABS wheel speed
sensor -G47- and ABS control
module (w/EDL) -J104-
Repair Manual, Brake System,
Repair Group 45; Removing and
installing parts of ABS system on
front and rear axles - Check wiring and connections
using wiring diagram
- Perform electrical check Page
01-288
- Read measured value block
Page 01
-240 Display group number
001
If the malfunction occurs again:

Left front ABS wheel speed
sensor -G47- faulty
Repair Manual, Brake System,
Repair Group 45 - Replace left front ABS wheel
speed sensor -G47-
1) This DTC is recognized when vehicle is stationary.
Стр. 33из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-
out Possible cause
Repair
00283
Left front ABS
wheel speed
sensor -G47-
Mechanical fault
1)
Excessive air gap between
left front ABS wheel speed
sensor-G47- 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 left front ABS
wheel speed sensor -G47- 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 front ABS wheel speed
sensor -G47- faulty
Repair Manual, Brake System,
Repair Group 45 - Replace left front ABS wheel speed
sensor -G47-
1) Type of DTC, this DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 35из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-
out Possible cause
Repair
00285
Right front ABS
wheel speed
sensor -G45-
1)
Electrical
malfunction in
current circuit
Open circuit in wiring between
Right front ABS wheel speed
sensor -G45- and ABS control
module (w/EDL) -J104-
Repair Manual, Brake System,
Repair Group 45; Removing and
installing parts of ABS system on
front and rear axles - Check wiring and connections
using wiring diagram
- Perform electrical check Page
01-288
- Read measured value block
Page 01
-240 Display group number
001
If the malfunction occurs again:

Right front ABS wheel speed
sensor -G45- faulty
Repair Manual, Brake System,
Repair Group 45 - Replace Right front ABS wheel
speed sensor -G45-
1) This malfunction is recognized when vehicle is stationary.
Стр. 36из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-
out Possible cause
Repair
00285
Right front ABS
wheel speed sensor
-G45-
Mechanical
malfunction
1)
Excessive air gap between
Right front ABS wheel speed
sensor-G45- 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 right front
ABS wheel speed sensor -G45- 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

Right front ABS wheel speed
sensor -G45- faulty
Repair Manual, Brake System,
Repair Group 45 - Replace Right front ABS wheel
speed sensor -G45-
1) This DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 38из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-
out Possible cause
Repair
00287
Right rear ABS
wheel speed
sensor -G44-
1)
Electrical
malfunction in
current circuit
Open circuit in wiring between
Right rear ABS wheel speed
sensor -G44- and ABS control
module (w/EDL) -J104-
Repair Manual, Brake System,
Repair Group 45; Removing and
installing parts of ABS system on
front and rear axles - Check wiring and connections
using wiring diagram
- Perform electrical check Page
01-288
- Read measured value block
Page 01
-240 Display group number
001
Right rear ABS wheel speed
sensor -G44- faulty - Replace right rear ABS wheel
speed sensor -G44-
Repair Manual, Brake System,
Repair Group 45
1) This malfunction is recognized when vehicle is stationary.
Стр. 39из 129 On Board Diagnostic (OBD), performing