License Plate Lamp Output Short To Ground-IPM

LICENSE PLATE LAMP OUTPUT SHORT TO GROUND-IPM

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Output is ON.

- Set Condition:
The IPM detects a short fault condition. Time to set is 1 second.





Diagnostic Test

1. VERIFY CONDITION
Turn the ignition on.
With the scan tool, clear the IPM DTC's.
Turn the License Plate Lamp on.
With the scan tool, read IPM DTC's.
Is this DTC present?

Yes

- Go To3

No

- Go To2

2. INTERMITTENT WIRING PROBLEM
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: Search for any Technical Service Bulletins (TSB) that may apply.

Were any problems found?

Yes

- Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To3

3. LICENSE PLATE LAMP DRIVER CIRCUIT SHORTED TO GROUND
Turn the ignition off.
Disconnect the License Plate Lamp.
Disconnect the Intelligent Power Module C9 harness connector.
Measure the resistance between Ground and the (L3) License Plate Lamp Driver circuit.
Is the resistance below 100.0 ohms?

Yes

- Repair the (L3) License Plate Lamp Driver circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To4

4. LICENSE PLATE LAMP
Turn the ignition off.
Turn the License Plate Lamp off.
Install a substitute License Plate Lamp Bulb in place of the License Plate Lamp Bulb.
Turn the ignition on.
With the scan tool, erase the IPM DTC's.
Turn the License Plate Lamp on.
With the scan tool, read IPM DTC's.
Does the scan tool display this DTC?

Yes

- Go To5

No

- Replace the original License Plate Lamp Bulb.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

5. WIRING PROBLEM
Turn the ignition off.
Inspect the wiring and connectors associated with the (L3) License Plate Lamp Driver circuit.
Were any problems found?

Yes

- Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Replace the Integrated Power Module.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test