The number below refers to the step number on the diagnostic table.
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Body Control System Connector End Views in Body Control System | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 4 | |
Did the ignition key cylinder lamp operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | |
3 | Do the courtesy lamps operate properly? | Go to Step 4 | |
4 |
Does the ignition key cylinder lamp turn ON and OFF with each command? | Go to Step 9 | Go to Step 5 |
5 |
Does the test lamp turn ON and OFF with each command? | Go to Step 8 | Go to Step 6 |
6 | Test the battery positive voltage circuit of the ignition key cylinder lamp for high resistance, an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 7 |
7 | Test the key cylinder lamp control circuit for a high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 9 |
8 | Inspect for poor connections at the ignition key cylinder lamp bulb. 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 12 | Go to Step 10 |
9 | Inspect for poor connections at the harness connector of the instrument panel module (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 12 | Go to Step 11 |
10 | Replace the ignition key cylinder lamp bulb. Did you complete the replacement? | Go to Step 12 | -- |
11 |
Important:: Perform the setup procedure for the IPM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Replace the IPM. Refer to Instrument Panel Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2 |