Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Interior Lights Schematics | |||
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |
2 | Open the rear compartment. Does the courtesy lamp rear compartment operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Place the interior lamp switch in the DOME position. Does the rear compartment courtesy lamp illuminate? | Go to Step 11 | Go to Step 4 |
4 | Do the courtesy lamps operate properly? | Go to Step 5 | |
5 |
Did the test lamp illuminate? | Go to Step 9 | Go to Step 6 |
6 | Connect a test lamp between the courtesy lamps supply voltage circuit of the courtesy lamp rear compartment and a good ground. Did the test lamp illuminate? | Go to Step 7 | Go to Step 12 |
7 | Test the trunk lamp control circuit of the rear compartment courtesy lamp for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 8 |
8 | Test the ground circuit of the rear compartment lid ajar switch for a high resistance or an open. 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 |
9 | Inspect for poor connections at the bulb of the rear compartment courtesy lamp. 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 |
10 | Inspect for poor connections at the harness connector of the rear compartment lid ajar 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 15 | Go to Step 14 |
11 | Repair the high resistance or an open in the trunk ajar input circuit of the body control module (BCM). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | -- |
12 | Repair the high resistance or an open in the courtesy lamps supply voltage circuit of the courtesy lamp rear compartment. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | -- |
13 | Replace the rear compartment courtesy lamp bulb. Refer to Rear Compartment Courtesy Lamp Replacement . Did you complete the replacement? | Go to Step 15 | -- |
14 | Replace the rear compartment lid ajar switch. Refer to Rear Compartment Lid Latch Replacement in Body Rear End. Did you complete the replacement? | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
