Symptom:
REAR WIPER OUTPUT SHORT TO GROUND-BCM
POSSIBLE CAUSES
REAR WIPER MOTOR FUNCTION
INTERMITTENT WIRING AND CONNECTORS
REAR WIPER MOTOR CONTROL CIRCUIT SHORT TO GROUND
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
Turn on the Rear Wiper.
Does the Rear Wiper Function?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition on.
With the DRBIII
t, erase all BCM DTCs.
Turn the ignition off.
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
3
Turn the ignition off to the lock position.
Disconnect the Body Control Module C2 harness connector.
Disconnect the Rear Wiper Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Rear Wiper Motor Control circuit.
Is the resistance less than 5.0 ohms?
All
Yes
→ Repair the Rear Wiper Motor Control Circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
1101
WINDSHIELD WIPER & WASHER