INSPECTION PROCEDURE 5: Power window timer function does not work 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
If the power window timer does not work normally, a malfunction of the power window main switch or ETACS-ECU is suspected.
PROBABLE CAUSES
Malfunction of the door switch (Driver’s side)
Malfunction of the door switch (Front passenger’s side)
Malfunction of the power window main switch
Malfunction of ETACS-ECU
Damaged wiring harness and connectors
DIAGNOSTIC PROCEDURE
1.
Check the power supply system.
2.
M.U.T.-III data list
Turn the ignition switch to the ON position.
Close the driver’s door.
Close the front passenger’s door.
3.
Retest the system.