Schematic Reference: Interior Lights Schematics

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

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Turn ON the ignition, with the engine OFF.
2. Place the dimmer switch in the DOME position.

Do the courtesy lamps operate from the interior lamp switch?

Go to Step 3

Go to Courtesy Lamps Inoperative

1. Turn OFF the ignition.
2. Place the dimmer switch in the OFF position.
3. Activate each exterior door handle one at a time, waiting for the courtesy lamps to turn OFF before activating the next door handle.
4. Observe the courtesy lamps.

Do the courtesy lamps illuminate when each exterior door handle is activated?

Go to Step 4

Go to Step 9

1. Activate each interior door handle one at a time, waiting for the courtesy lamps to turn OFF before activating the next door handle.
2. Observe the courtesy lamps.

Do the courtesy lamps illuminate when each interior door handle is activated?

Go to Step 5

Go to Step 6

1. Unlock the vehicle doors using the remote keyless entry (RKE) system.
2. Observe the courtesy lamps.

Do the courtesy lamps illuminate?

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

Go to Step 8

Test the interior door handle switch signal circuit of the inoperative interior door handle for an open, high resistance, or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 7

Test the interior door handle switch ground circuit of the inoperative interior door handle for an open, high resistance, or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 11

Does the RKE doors unlock function operate properly?

Go to Step 12

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

Test the exterior door handle switch signal circuit of the inoperative exterior door handle for an open, high resistance, or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 10

Test the exterior door handle switch ground circuit of the inoperative exterior door handle for an open, high resistance, or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 11

Inspect for poor connections at the harness connector of the inoperative door control 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 15

Go to Step 14

Inspect for poor connections at the harness connector of the body control module (BCM). 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 15

Go to Step 13

Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the repair?

Go to Step 15

--

Replace the inoperative door control module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 15

--

Operate the system in order to verify the repair.

Does the system operate properly?

System OK

Go to Step 2