Schematic Reference: Interior Lights Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Important:: The sun load sensor assembly must indicate low light conditions for the courtesy lamps to operate.

1. Cover the sun load sensor assembly.
2. Observe the courtesy lamps.
3. Open and Close all of the doors.
4. Position the interior lamp switch to the ON, DOOR and OFF positions.
5. Turn ON the ignition, with the engine OFF.
6. Turn OFF the ignition.

Do the courtesy lamps operate properly?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Close all doors.
4. With a scan tool, observe all the Door Jamb Sw. inputs in the drivers door module (DDM) data list.

Does the scan tool display ON for any of the Door Jamb Sw. inputs?

Go to Step 5

Go to Step 4

1. Position the interior lamp switch to the OFF position.
2. With a scan tool, observe the Interior Lamp Switch parameter in the instrument panel module (IPM) Non - HVAC data list.

Does the scan tool display OFF?

Go to Step 7

Go to Step 6

1. Turn OFF the ignition.
2. Disconnect the inoperative door lock actuator.
3. Turn on the ignition, with the engine OFF.

Does the scan tool display OFF?

Go to Step 15

Go to Step 9

1. Disconnect the interior lamp switch.
2. With a scan tool, observe the Interior Lamp Switch parameter.

Does the scan tool display OFF?

Go to Step 12

Go to Step 8

Test the courtesy lamp control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 13

Test the interior lamp switch on signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 10

Test the signal circuit of the inoperative door lock actuator for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 11

Test the interior lamp switch off signal circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 14

Inspect for poor connections at the harness connector of the inoperative door 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 21

Go to Step 17

Inspect for poor connections at the harness connector of the interior lamp switch. 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 21

Go to Step 18

Inspect for poor connections at the harness connector of the rear integration module (RIM). 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 21

Go to Step 19

Inspect for poor connections at the harness connector of the IPM. 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 21

Go to Step 20

Inspect for poor connections at the harness connector of the inoperative door lock actuator. 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 21

Go to Step 16

Replace the inoperative door lock actuator. Refer to Front Side Door Latch Replacement or Rear Side Door Latch Replacement in Doors.

Did you complete the replacement?

Go to Step 21

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Replace the inoperative door module. Refer to Door Control Module Replacement in Doors.

Did you complete the replacement?

Go to Step 21

--

Replace interior lamp switch. Refer to Interior Lamp Switch Replacement .

Did you complete the replacement?

Go to Step 21

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Important:: Perform the setup procedure for the RIM after RIM replacement.

Replace the RIM. Refer to Rear Integration Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 21

--

Important:: Perform the setup procedure for the IPM after IPM replacement.

Replace the IPM. Refer to Instrument Panel Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 21

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2