Schematic Reference: Interior Lights Schematics or Exterior 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 sunload sensor assembly must indicate low light conditions for the interior lamps to operate.

1. Cover the sunload sensor assembly.
2. Turn ON the ignition, with the engine OFF.
3. Observe the courtesy lamps.
4. Open and close all of the doors.
5. Turn the interior lamp switch ON and 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) Inputs 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 OFF.
2. With a scan tool, observe the Interior Lamp Switch parameter in the instrument panel module (IPM) with CJ2 or climate control panel (CCP) with C67 Non - HVAC data list.

Does the scan tool display Door?

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 On?

Go to Step 14

Go to Step 9

1. Disconnect the headlamp switch.
2. With a scan tool, observe the Interior Lamp Sw. parameter in the IPM with CJ2 or CCP with C67 Non - HVAC data list.

Does the scan tool display Door?

Go to Step 11

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 20

Go to Step 12

Test the courtesy 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 20

Go to Step 13

Test the door open switch 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 20

Go to Step 10

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 20

Go to Step 16

Inspect for poor connections at the harness connector of the headlamp 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 20

Go to Step 17

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 20

Go to Step 18

Inspect for poor connections at the harness connector of the IPM with CJ2 or the HVAC control module (CCP) with C67 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 20

Go to Step 19

Inspect for poor connections at the harness connector of the 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 20

Go to Step 15

Replace the 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 20

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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 20

--

Replace headlamp switch. Refer to Headlamp Switch Replacement .

Did you complete the replacement?

Go to Step 20

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Important:: After replacement perform the setup procedure for the RIM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.

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

Did you complete the replacement?

Go to Step 20

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Important:: After replacement perform the setup procedure for the IPM.

Replace the IPM with CJ2 or HVAC control module (CCP) with C67. Refer to Instrument Panel Module Replacement in Body Control System or HVAC Control Module Replacement in HVAC Systems - Manual.

Did you complete the replacement?

Go to Step 20

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2