For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Interior Lights Schematics
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 |

1. Turn ON the ignition, with the engine OFF.
2. Open the rear compartment.

Does the rear compartment lamp illuminate?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3 |

1. Disconnect the rear compartment lamp.
2. Probe the courtesy lamps supply voltage circuit of the rear compartment lamp with a test lamp that is connected to a good ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 9

4 | Connect the test lamp between the courtesy lamps supply voltage circuit of the rear compartment lamp and the rear compartment lamp control circuit. Does the test lamp illuminate? | Go to Step 7 | Go to Step 5
5 |

1. Reconnect the rear compartment lamp.
2. Disconnect the rear compartment lid release actuator.
3. Connect a 3-amp fused jumper wire between the rear compartment lamp control circuit and a good ground.

Does the rear compartment lamp illuminate?

Go to Step 6

Go to Step 10

6 | Test for an open or high resistance in the ground circuit of the rear compartment lamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 8
7 | Inspect for poor connections at the harness connector of the rear compartment lamp. 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 13 | Go to Step 11
8 | Inspect for poor connections at the harness connector of the rear compartment lid release actuator. 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 13 | Go to Step 12
9 | Repair an open, high resistance, or short to ground in the courtesy lamp supply voltage circuit of the rear compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 13 | --
10 | Repair an open or high resistance in the rear compartment lamp control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 13 | --
11 | Replace the rear compartment lamp assembly. Refer to Cargo Lamp Replacement . Did you complete the replacement? | Go to Step 13 | --
12 | Replace the rear compartment lid release actuator. Refer to Rear Compartment Lid Switch Replacement in Body Rear End. Did you complete the replacement? | Go to Step 13 | --
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3