Schematic Reference: Outside Rearview Mirror Schematics and Door Control Module 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 in Vehicle DTC Information

Verify that the power mirrors are inoperative.

Does the power mirrors system operate normally?

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

Go to Step 3

Are both mirrors inoperative?

Go to Step 11

Go to Step 4

Is the driver mirror inoperative?

Go to Step 5

Go to Step 6

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the mirror select switch parameter in the Driver Door Switch Assembly (DDSA) data list.
4. Activate the left mirror select switch on the DDSA.

Does the scan tool display Off?

Go to Step 11

Go to Step 7

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the mirror select switch parameter in the Driver Door Switch Assembly (DDSA) data list.
4. Activate the right mirror select switch on the DDSA.

Does the scan tool display Off?

Go to Step 11

Go to Step 8

1. With a scan tool, observe the driver mirror motors command parameter in the Driver Door Module (DDM) data list.
2. Activate the mirror direction switch to the Up, Down, Right and Left positions.

Does the scan tool display Idle?

Go to Step 12

Go to Step 9

1. With a scan tool, observe the passenger mirror motors command parameter in the Passenger Door Module (PDM) data list.
2. Activate the mirror direction switch to the Up, Down, Right and Left positions.

Does the scan tool display Idle?

Go to Step 12

Go to Step 10

Test the appropriate left mirror motor control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 13

Test the appropriate right mirror motor control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 13

Inspect for poor connections at the harness connector of the DDSA. 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 17

Go to Step 14

Inspect for poor connections at the harness connector of the appropriate door module. 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 17

Go to Step 15

Inspect for poor connections at the harness connector of the appropriate outside rearview mirror. 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 17

Go to Step 16

Replace the DDSA. Refer to Front Door Switch Replacement .

Did you complete the replacement?

Go to Step 17

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Replace the appropriate door module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 17

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Replace the appropriate outside rearview mirror motor. Refer to Outside Rearview Mirror Motor Replacement .

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 2