INSPECTION PROCEDURE 3: The sunroof lid glass does not open (tilt-up, tilt-down and close normally).


caution Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.






COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of the sunroof switch
  • Malfunction of the sunroof motor assembly
  • Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE


STEP 1. Connector check: D-05 sunroof switch connector


Q. Is the check result normal?





STEP 2. Sunroof switch check



Q. Is the sunroof switch normal?





STEP 3. Connector check: D-06 sunroof motor assembly connector


Q. Is the check result normal?





STEP 4. Check of the wiring harness between the D-05 sunroof switch connector terminal No. 5 and the D-06 sunroof motor assembly connector terminal No. 5



  • Check the input/output line for open circuit.

Q. Is the check result normal?





STEP 5. Retest the system.



Q. Is the check result normal?