For 1990-2009 cars

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

1. Turn ON the ignition, with the engine OFF.
2. Press the rear compartment lid release switch.

Does the deck lid open?

Go to Step 3

Go to Trunk Release Inoperative

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 rear compartment lamp.
3. Turn ON the ignition, with the engine OFF.
4. Connect a test lamp between the courtesy lamp supply voltage circuit of the rear compartment lamp and a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 9

5 | Connect a test lamp between the courtesy lamp voltage supply circuit of the rear compartment lamp and the rear compartment lamp ground control circuit. Does the test lamp illuminate? | Go to Step 7 | Go to Step 6
6 | Test for an open or high resistance in the rear compartment lamp control circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 12 | Go to Step 8
7 | Inspect for poor connections at the rear compartment lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 12 | Go to Step 10
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 . Did you find and correct the condition? | Go to Step 12 | Go to Step 11
9 | Locate and repair the following in the courtesy lamp voltage supply circuit of the rear compartment lamp:

• | An open

• | A high resistance

• | A short to ground

Refer to Circuit Testing and Wiring Repairs .

Did you complete the repair?

Go to Step 12

--

10 | Replace the rear compartment lamp. Refer to Rear Compartment Courtesy Lamp Replacement . Did you complete the replacement? | Go to Step 12 | --
11 | Replace the rear compartment lid release actuator. Refer to Rear Compartment Lid Interior Release Latch Handle Replacement . Did you complete the replacement? | Go to Step 12 | --
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2