Volkswagen Passat 1995 Official Factory Repair Manual page 3248

Teves 20 GI ABS and ABS/EDL On Board Diagnostic (OBD)
VAG 1551 Scan
Tool printout
00287
ABS Wheel Speed
Sensor,RR-G44
Mechanical
1)
malfunction
Signal outside
1)
tolerances
1)
Type of malfunction; this malfunction is only recognized above 20 km/h (12 mph); test drive.
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.OB01.01.8
Possible cause of malfunction
Open circuit, short circuit or loose
connection in:
ABS wheel speed sensor wire
Connector
ABS wheel speed sensor winding
Short circuit in ABS wheel speed
sensor
Excessive 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 and Ground (GND) wiring
to ABS control module
page 01-129 , Electrical test, Test
steps 7 and 11
- Check installation of ABS wheel speed
sensor and impulse rotor; clean if
necessary
page 01-107 , Read measuring value
block, function 08, Display field 4
Page 12 of 40
01-100
12/7/2004