DEFINITION: This diagnostic table tests for power mirrors horizontal and vertical inoperative only. Refer to power folding mirrors inoperative for power folding mirrors inoperative.

Did you review the power mirrors operation and perform the necessary inspections?

Go to Step 2

Go to Doors Symptoms

Operate the power mirrors in all directions.

Are all directions inoperative?

Go to Step 3

Go to Step 5

Disconnect the power mirror switch and connect a test lamp between the battery positive voltage circuit and a known good ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 13

Connect a test lamp between the ground circuit and battery positive voltage.

Does the test lamp illuminate?

Go to Step 11

Go to Step 14

1. Disconnect the outside power mirror connector.
2. Connect a test lamp between the mirror motor up circuit and ground.
3. Press the up position of the switch.

Does the test lamp turn ON and OFF with each command?

Go to Step 6

Go to Step 8

1. With a test lamp connected between the mirror motor right circuit and ground.
2. Press the right position of the switch.

Does the test lamp turn ON and OFF with each command?

Go to Step 7

Go to Step 9

1. With a test lamp connected between the mirror motor right/down circuit and ground.
2. Press the right and down position of the switch.

Does the test lamp turn ON and OFF with each command?

Go to Step 12

Go to Step 10

Test the mirror motor up circuit for an open or short to ground.

Did you find and correct the condition?

Go to Step 17

Go to Step 11

Test the mirror motor right circuit for an open or short to ground.

Did you find and correct the condition?

Go to Step 17

Go to Step 11

Test the mirror motor right/down circuit for an open or short to ground.

Did you find and correct the condition?

Go to Step 17

Go to Step 11

Inspect for poor connections at the mirror motor switch. Refer to Testing for Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 15

Inspect for poor connections at the mirror motor connector. Refer to Testing for Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 16

Repair the open or short to ground in the battery positive voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 17

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

Did you complete the repair?

Go to Step 17

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Replace the mirror motor switch.

Did you complete the replacement?

Go to Step 17

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Replace the mirror motor.

Did you complete the replacement?

Go to Step 17

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3