Schematic Reference: Interior Lights Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Operate the courtesy lamps.

Do the courtesy lamps operate properly?

Go to Step 3

Go to Courtesy Lamps Inoperative

Open the rear compartment.

Does the rear compartment lamp operate properly?

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

Go to Step 4

1. Disconnect the rear compartment lamp.
2. Connect a test lamp between the courtesy lamp supply voltage circuit and ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 11

Connect a test lamp between the courtesy lamp supply voltage circuit and the rear compartment lid ajar switch circuit.

Does the test lamp illuminate?

Go to Step 9

Go to Step 6

1. Disconnect the rear compartment lid ajar switch.
2. Connect a 10 amp fused jumper between the rear compartment lid ajar switch circuit and the ground circuit.

Does the test lamp illuminate?

Go to Step 10

Go to Step 7

Test for an open or high resistance in the rear compartment lid ajar switch circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 14

Go to Step 8

Test for an open or high resistance in the ground circuit of the rear compartment lid ajar switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 14

Go to Step 10

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 14

Go to Step 12

Inspect for poor connections at the harness connector of the rear compartment lid release switch. 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 14

Go to Step 13

Repair an open or high resistance in the courtesy lamp supply voltage circuit of the rear compartment lamp. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 14

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Replace the rear compartment lamp. Refer to Rear Compartment Courtesy Lamp Replacement .

Did you complete the replacement?

Go to Step 14

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Replace the rear compartment lid ajar switch. Refer to Rear Compartment Lid Ajar Indicator Switch Replacement in Body Rear End.

Did you complete the replacement?

Go to Step 14

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2