For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you review the Interior Lights Circuit Description and perform the necessary inspections? | Go to Step 2 | Symptoms - Lighting Systems
2 | Verify that the Instrument Panel Lamps do not Dim. Does the Instrument Panel Dimmer operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3
3 | Disconnect the IP Lamp Control. Test for an open condition between cavity 2 and S253. Does an open condition exist? | Go to Step 4 | Go to Step 5
4 | Repair the open in the RED/YEL wire from cavity 2 to S253. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 10 | --
5 | Test for an open condition between cavity 3 of the IP Lamp Dimmer Control and S254. Does an open condition exist? | Go to Step 6 | Go to Step 7
6 | Repair the open condition between cavity 3 and S254. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 10 | --
7 | Test for a short to ground condition between cavity 4 and S248. Does a short to ground condition exist? | Go to Step 8 | Go to Step 9
8 | Repair the short condition in the BLK wire from cavity 4 to S248. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 10 | --
9 | Replace the IP Lamp Dimmer Control Switch. Did you complete the repair? | 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