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EXTERIOR LIGHTING
Symptom:
LEFT REAR PARK/MARKER LAMP SHORT TO GROUND-IPM
When Monitored and Set Condition:
LEFT REAR PARK/MARKER LAMP SHORT TO GROUND-IPM
When Monitored: The output is ON.
Set Condition: The IPM detects a short fault condition. Time to set is 1 second.
INTEGRATED POWER MODULE
LEFT REAR PARK/MARKER LAMPS
LEFT TAIL LAMP DRIVER SHORT TO GROUND
WIRING PROBLEM
WIRING HARNESS INSPECTION
TEST
1
Turn the ignition on.
With the DRBIII , clear the IPM DTC's.
Turn the Park Lamps on.
With the DRBIII , read IPM DTC's.
Is this DTC present?
Yes → Go To 3
→ Go To 2
No
2
Turn the ignition off.
NOTE: Visually inspect the related wiring harness and circuits. Look for
any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?
Yes → Repair as necessary.
→ Go To 3
No
3
Turn the ignition off.
Disconnect the Left Rear Park/Marker Lamp.
Disconnect the Intelligent Power Module C9 harness connector.
Measure the resistance between Ground and the Left Tail Lamp Driver circuit.
Is the resistance below 100.0 ohms?
Yes → Repair the Left Rear Tail Lamp Driver circuit for a short to
→ Go To 4
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
ground.
Perform BODY VERIFICATION TEST - VER 1.
454
APPLICABILITY
All
All
All
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