Schematic Reference: Outside Rearview Mirror Schematics

Connector End View Reference: Power Door Systems Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn ON the ignition, with the engine OFF.
2. Depress the heated mirror switch.

Do the heated mirrors operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Are both heated mirrors inoperative?

Go to Step 4

Go to Step 6

1. Disconnect the outside heated mirror switch.
2. Turn ON the ignition, with the engine OFF.
3. Connect a test lamp between the ignition 3 voltage circuit at the heated mirror switch harness connector and ground.

Did the test lamp illuminate?

Go to Step 5

Go to Step 10

Connect a fused jumper between the ignition 3 voltage circuit and the mirror heating element supply voltage circuits at the heated mirror switch harness connector.

Do the heated mirrors operate normally?

Go to Step 8

Go to Step 11

1. Disconnect the inoperative mirror.
2. Connect a test lamp between the mirror heating element supply voltage circuit at the inoperative mirror harness connector and a good ground.
3. Depress the heated mirror switch to activate the system.

Does the test lamp illuminate?

Go to Step 7

Go to Step 11

With the system still active, connect a test lamp between the mirror heating element supply voltage circuit and the mirror ground circuit.

Does the test lamp illuminate?

Go to Step 9

Go to Step 11

Inspect for poor connections at the heated mirror switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 15

Go to Step 12

Inspect for poor connections at the heated mirror. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 15

Go to Step 13

Repair the open the battery positive voltage circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 15

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Repair the poor connection or an open the mirror heating element supply voltage circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 15

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Repair the open in the mirror ground circuit. Refer to Circuit Testing and Wiring Repairs .

Did you complete the repair?

Go to Step 15

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Replace the heated mirror switch.

Did you complete the repair?

Go to Step 15

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Replace the heated mirror. Refer to Outside Rearview Mirror Replacement .

Did you complete the repair?

Go to Step 15

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3