Schematic Reference: Headlight Doors Schematics

Did you perform the Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Turn the headlamps ON and OFF.

Do the headlamp doors open and close?

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

Go to Step 3

Is only one headlamp door inoperative?

Go to Step 9

Go to Step 4

Are the headlamp doors closed at all times?

Go to Step 5

Go to Step 7

1. Remove the right hand headlamp assembly.
2. Disconnect the control module connectors C1 and C2 to the actuator for the headlamp opening door.
3. Turn the headlamps ON.
4. Connect a test lamp between the headlamps ON input circuit and a known good ground at connector C1. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 6

Go to Step 13

Connect a test lamp between the headlamps ON input circuit and the ground circuit of connector C1.

Does the test lamp illuminate?

Go to Step 11

Go to Step 14

1. Turn OFF the headlamp switch.
2. Disconnect the actuator control module to the headlamp opening door.
3. Using a test lamp, probe between the headlamp OFF input circuit and ground.

Does the test lamp illuminate?

Go to Step 8

Go to Step 11

1. Disconnect connector C209.
2. Using a test lamp, probe between the headlamp OFF input circuit (female side) and ground.

Does the test lamp illuminate?

Go to Step 12

Go to Step 15

Test the power and ground circuit of the headlamp door control for a poor connection or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 19

Go to Step 10

Inspect the harness connector for headlamp opening door assembly for a poor connection. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and complete the repair?

Go to Step 19

Go to Step 16

Inspect the harness connector for headlamp opening door actuator control module for a poor connection. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and complete the repair?

Go to Step 19

Go to Step 17

Inspect the harness connector for multifunction turn signal lever for a poor connection. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and complete the repair?

Go to Step 19

Go to Step 18

Repair a poor connector or an open in the headlamp ON input circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 19

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Repair a poor connector or an open in the ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 19

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Repair a short to battery positive voltage in the headlamps OFF input circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 19

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Replace the headlamp opening door assembly. Refer to Headlamp Opening Door Replacement .

Did you complete the replacement?

Go to Step 19

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Replace the control module for the headlamp opening door actuator. Refer to Headlamp Control Module Replacement .

Did you complete the replacement?

Go to Step 19

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Replace the multifunction turn signal lever. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Did you complete the replacement?

Go to Step 19

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2