Schematic Reference: Door Lock/Indicator Schematics

Connector End View Reference: Power Door Systems Connector End Views

Did you review the Power Door system Description and Operation?

Go to Step 2

Go to Diagnostic Starting Point - Doors

Disable the dome lamp override switch.

Is the dome lamp or the door ajar indicator always on?

Go to Dome Lamps Always On in Lighting Systems

Go to Step 3

Open each door individually while observing the dome lamps.

Does the dome lamp illuminate with each door?

Go to Step 4

Go to Dome Lamps Inoperative in Lighting Systems

1. Access the Instrument Panel cluster connector.
2. With the doors closed, back probe the door ajar indicator control circuit with a test lamp that is connected to a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 6

Inspect for poor connections at the I/P cluster connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 9

Test for a short to ground in the door ajar indicator control circuit between the Multifunction alarm module and the I/P cluster. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 7

Inspect for poor connections at the multifunction alarm module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 8

Replace the multifunction alarm module. Refer to Multifunction Alarm Module Replacement in Instrument Panel, Gages and Console.

Did you complete the replacement?

Go to Step 10

Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console.

Did you complete the replacement?

Go to Step 10

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2