1. Turn the ignition ON.
2. Operate the power mirror.

Does the power mirror operate?

--

Go to Step 4

Go to Step 2

Inspect the fuse EF6, F1 and F17.

Are the fuses open?

--

Go to Step 3

Go to Step 4

1. Inspect for a short circuit.
2. Repair the short circuit, if necessary.
3. Replace the fuse.

Is the repair complete?

--

System OK

--

1. Disconnect the lamp/sunroof switch.
2. Turn the ignition ON.
3. At the lamp/sunroof switch, on the fuse-side of the connector, measure the voltage at terminal 4.

Does the voltmeter measure within the specified range?

11-14 V

Go to Step 6

Go to Step 5

Repair the open circuit between the fuse F17 and the sunroof switch.

Is the repair complete?

--

System OK

--

1. Reconnect the sunroof switch.
2. Disconnect the sunroof module 6-pin electrical connector.
3. Use an ohmmeter to measure the resistance between the terminal 4 and ground.

Does the resistance measure equal to the specified value?

0 ohms

Go to Step 8

Go to Step 7

Repair the ground circuit.

Is the repair complete?

--

System OK

--

1. Leave the sunroof module disconnected.
2. Turn the ignition ON.
3. Measure the voltage at terminal 3 of the connector for the sunroof module.

Does the voltmeter measure within the specified range?

11-14 V

Go to Step 10

Go to Step 9

Repair the open power supply to terminal 3 of the sunroof module connector.

Is the repair complete?

--

System OK

--

1. Reconnect the sunroof module.
2. Remove the sunroof motor, but leave the connectors attached.
3. Use the sunroof switch to attempt to operate the motor in both directions.

Does the motor operate?

--

Go to Step 11

Go to Step 12

Repair the jammed sunroof mechanism.

Is the repair complete?

--

System OK

--

1. Disconnect both of the one-wire connectors at the sunroof motor.
2. Connect a voltmeter between the one-wire connectors.
3. Turn the ignition ON.
4. Turn the sunroof switch to the CLOSE position and observe the voltmeter reading.
5. Turn the sunroof switch to the OPEN position and observe the voltmeter reading.
6. The meter will show the same voltage at both switch positions, but one of the switch positions will show a reverse polarity.

Does the voltmeter measure within the specified range when the switch is in either the OPEN or the CLOSE position?

11-14 V

Go to Step 14

Go to Step 13

Replace the sunroof module.

Is the repair complete?

--

System OK

--

Replace the sunroof motor.

Does the sunroof operate?

--

System OK

Go to Step 13