Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Instrument Cluster Schematics in Instrument Panel, Gauges and Console | |||
1 | Did you perform the Lighting Diagnostic System Check? | Go to Step 3 | |
2 |
Does the high beam indicator operate normally? | Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 |
3 | Do the high beam headlamps function properly? | Go to Step 4 | |
4 |
Does the scan tool display ON? | Go to Step 5 | Go to Step 7 |
5 | Test the head lamp dimmer switch high beam signal circuit of the IPC for 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 10 | Go to Step 6 |
6 | Inspect for poor connections at the IPC. 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 10 | Go to Step 8 |
7 | Inspect for poor connections at the 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 10 | Go to Step 9 |
8 | Replace the IPC or lamp as necessary. Refer to Instrument Cluster Replacement or Instrument Cluster Bulb Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 10 | -- |
9 |
Important: Perform the setup procedure for the BCM. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |