Diagnosis And Testing - Inverter Module

For complete circuit diagrams, refer to the appropriate wiring information.

WARNING:

Disable the airbag system before attempting any steering wheel, steering column, seat belt tensioner, side airbag or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable. Wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to follow these instructions may result in accidental airbag deployment and possible serious or fatal injury.

115/230 VOLT POWER OUTLET DIAGNOSIS

CONDITION	POSSIBLE CAUSES	CORRECTION
NO POWER AT THE 115/230 VOLT POWER OUTLET	1. Fuse inoperative.	1. Replace fuse, if required. Refer to FUSE - RELAY LOCATIONS AND TYPES, SPECIFICATIONS .
	2. Power outlet connector or pin loose or damaged.	2. Check for loose or corroded power outlet connector. Repair, if required.
	3. Power Inverter Module (PIM) connector or pin loose or damaged.	3. Check for loose or corroded PIM connector. Repair, if required.
	4. Wiring damaged.	4. Check for shorted or open wires. Repair wiring, if required. This includes power, ground, and return sense from the PIM. Refer to appropriate SYSTEM WIRING DIAGRAMS for complete wiring and check all relative circuits for loose pins and/or damaged wiring.
	5. PIM ground damaged.	5. Check for continuity between the PIM and a known good ground. There should be continuity. Repair ground, if required.
	6. Power outlet inoperative.	6. Replace the power outlet.
	7. PIM inoperative.	7. Check relative wiring, pins and connections to the PIM before replacing the PIM.