For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Interior Lights Schematics Connector End View Reference: Master Electrical Component List
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 |

1. Cover the sunload sensor assembly.
2. Turn ON the courtesy lamps.
3. Push and release the instrument panel (I/P) compartment lamp switch.

Does the I/P compartment lamp operate properly?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3 | Do the courtesy lamps operate properly? | Go to Step 4 | Go to Symptoms - Lighting Systems
4 |

1. Turn OFF the ignition.
2. Disconnect the I/P compartment lamp switch harness connector.
3. Connect a test lamp between the I/P compartment lamp switch voltage supply circuit and ground.
4. Turn ON the ignition, with the engine OFF.

Does the test lamp illuminate?

Go to Step 5

Go to Step 7

5 |

1. Turn OFF the ignition.
2. Connect a test lamp between the I/P compartment lamp switch voltage supply circuit and the I/P compartment lamp switch ground circuit at the I/P compartment lamp switch harness connector.
3. Turn ON the ignition, with the engine OFF.

Does the test lamp illuminate?

Go to Step 6

Go to Step 8

6 | Inspect for poor connections at the harness connector of the I/P compartment lamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 10 | Go to Step 9
7 | Locate and repair the following in the I/P compartment lamp voltage supply circuit:

• | An open

• | A high resistance

• | A short to ground

Refer to Circuit Testing and Wiring Repairs .

Did you complete the repair?

Go to Step 10

--

8 | Locate and repair an open or high resistance in the I/P compartment lamp switch ground circuit. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 10 | --
9 | Replace the I/P compartment lamp switch. Refer to Instrument Panel Compartment Replacement . 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 2