Volkswagen Passat 1995 Official Factory Repair Manual page 3163

Teves 04 ABS and ABS/EDL On Board Diagnostic (OBD)
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Teves 04 ABS and ABS/EDL
On Board Diagnostic (OBD)
Test requirements
Tires mounted to all four wheels must be of
the same (approved) size, inflated to correct
pressure
Conventional brake system OK, including
brake light switch and brake lights
Brake hydraulic lines and connections not
leaking (visual check of ABS hydraulic unit,
brake calipers)
Wheel bearings and wheel bearing play OK
Connector on ABS control module -J104-
correctly attached (retainer is engaged)
Check terminals and sockets on ABS or
ABS/EDL components for damage and
correct seating.
ABS relay -J102-, ABS hydraulic pump relay
-J185- and electronic differential lock relay -
J310- correctly installed/connected
ABS control module -J104- Ground (GND)
connection OK, under rear seat near control
module.
All fuses OK according to wiring diagram (remove
fuse from fuse holder to check).
Supply voltage OK (at least 10.5 V).
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