Diagnostic Procedure

LICENSE PLATE LAMP OUTPUT SHORT TO GROUND-IPM - DIAGNOSTIC PROCEDURE

TEST	ACTION	APPLICABILITY
1	Turn the ignition on. With the DRBIII®, clear the IPM DTC's. Turn the License Plate Lamp on. With the DRBIII®, read IPM DTC's. Is this DTC present? Yes: Go To 3 No: Go To 2	All
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. Perform BODY VERIFICATION TEST VER-1 . No: Go To 3	All
3	Turn the ignition off. Disconnect the License Plate Lamp. Disconnect the Intelligent Power Module C9 harness connector. Measure the resistance between Ground and the License Plate Lamp Driver circuit. Is the resistance below 100.0 ohms? Yes: Repair the License Plate Lamp Driver circuit for a short to ground. Perform BODY VERIFICATION TEST VER-1 . No: Go To 4	All
4	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 DRBIII®, erase the IPM DTC's. Turn the License Plate Lamp on. With the DRBIII®, read IPM DTC's. Does the DRBIII® display this DTC? Yes: Go To 5 No: Replace the original License Plate Lamp Bulb. Perform BODY VERIFICATION TEST VER-1 .	All
5	Turn the ignition off. Inspect the wiring and connectors associated with the License Plate Lamp Driver circuit. Were any problems found? Yes: Repair as necessary. Perform BODY VERIFICATION TEST VER-1 . No: Replace the Integrated Power Module. Perform BODY VERIFICATION TEST VER-1 .	All