For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 |

1. Place the headlamp switch in the headlamps ON position.
2. Place the multifunction lever in the FLASH TO PASS position.

Do the high beam headlamps illuminate?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3 | Inspect for poor connections at the harness connector of the headlamp switch. Did you find and correct the condition? | Go to Step 5 | Go to Step 4
4 | Replace the headlamp switch. Did you complete the repair? | Go to Step 5 | --
5 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3