INSPECTION PROCEDURE F-2: Any of the sunroof switch positions is defective.

caution

Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If any of the sunroof switch positions is defective, the communication line between the sunroof switch and the sunroof motor assembly (sunroof-ECU) may be defective.

POSSIBLE CAUSES

Malfunction of the sunroof switch
Malfunction of the sunroof motor assembly (sunroof-ECU)
Damaged harness wires and connectors

DIAGNOSTIC PROCEDURE

Step 1. Connector check: E-05 sunroof switch connector

Q. Is the check result normal?

Go to Step 2.

Repair the connector.

Step 2. Check the sunroof switch.

Refer to GROUP 42 - Sunroof

Q. Is the check result normal?

	Go to Step 3.

	Replace the sunroof switch.

Step 3. Connector check: E-07 sunroof motor assembly connector

Q. Is the check result normal?

Go to Step 4.

Repair the connector.

Step 4. Retest the system.

Q. Which switch position is defective?

	"OPEN" : Go to Step 5.

	"CLOSE" : Go to Step 6.

Step 5. Check the wiring harness between E-07 sunroof motor assembly connector terminal No.8 and E-05 sunroof switch connector terminal No.1.

Check the communication line for open circuit.

Q. Is the check result normal?

Replace the sunroof motor assembly.

Repair the wiring harness.

Step 6. Check the wiring harness between E-07 sunroof motor assembly connector terminal No.6 and E-05 sunroof switch connector terminal No.3.

Check the communication line for open circuit.

Q. Is the check result normal?

Replace the sunroof motor assembly.

Repair the wiring harness.