1998 VOLKSWAGEN JETTA sensor

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ABS warning light -K47-

Electrical Wiring Diagrams,
Troubleshooting & Component Locations
binder
If the ABS warning light -K47- -1- does
not go out after switching ignition on and
completion of test sequence then the
malfunction may be:
-a- Voltage supply is below 10 Volt
-b- There is a malfunction in the ABS
The anti-locking brake system remains
switched off with an ABS malfunction -b-,
but the brake system remains fully
operational.
-c- Since the last time the vehicle was
started there was a temporary speed
sensor malfunction.
In the case of a sensor malfunction -c-,
the ABS warning light -K47- will
extinguish after restarting the engine and
attaining a speed of above 20 km/h
(approx. 13 mph).
-d- The connection from instrument
cluster to ABS Control Module (w/EDL) -
J104- is interrupted (open circuit).
-e- Instrument cluster is faulty.
Стр. 2из 4 Diagnostic Trouble Codes (DTCs) displayed by warning lights -K47-, -K118- and -K155-

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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-
1)
Implausible signal
Open circuit or loose contact in wiring
between Left front ABS wheel speed
sensor -G47- and ABS control module
(w/EDL) -J104- - Check wiring and
connections using wiring
diagram

- Perform electrical check
Page 01
-288
Electrical interferences from other
sources (high frequency radiation e.g.
uninsulated ignition cable) - Read measured value
block Page 01
-240
Display group number 001
1) Type of DTC, this DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 34из 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-
1)
Implausible signal
Open circuit; short to ground or loose
contact in wiring between Right front ABS
wheel speed sensor -G45- and ABS
control module (w/EDL) -J104- - Check wiring and
Connection using wiring
diagram
- Perform electrical
check Page 01
-288
Electrical interferences from other sources
(high frequency radiation e.g. uninsulated
ignition cable) - Read measured value
block Page 01
-240
Display Group number
001
1) This DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 37из 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