Volkswagen Passat 1995 Official Factory Repair Manual page 3175

Teves 04 ABS and ABS/EDL On Board Diagnostic (OBD)
VAG 1551 scan
tool printout
00283
ABS Wheel Speed
Sensor,LF-G47
Mechanical
2)
malfunction
Signal outside
2)
tolerances
1)
Electrical test, page 01-39
2)
Type of malfunction.
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.OB01.01.3
Possible cause of malfunction
Open circuit, short circuit or loose
connection in:
ABS wheel speed sensor wire
Connector
ABS wheel speed sensor
winding
Excessive or insufficient air gap
between ABS wheel speed sensor
and impulse rotor (signal not OK)
Impulse rotor and ABS wheel
speed sensor dirty or damaged
.
Repairing malfunction
- Check wiring, connectors, ABS wheel speed
sensor, Ground (GND) wiring to ABS control
module and also capacitor for correct Ground
(GND) connection
Test steps 7, 11 and 34
- Check installation of ABS wheel speed
sensor and impulse rotor; clean if necessary
Page 13 of 24
01-27
1)
12/7/2004