Inspection Procedure 2: The interior alarm does not work normally while the security alarm is triggered.


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

COMMENTS ON TROUBLE SYMPTOM




  • Hood switch
  • All of the door switches

PROBABLE CAUSES



  • The hood switch is defective.
  • All the door switches are defective.
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Check the power supply circuit.



Q. Is the check result normal?





STEP 2. Pulse check



System switch
 Check condition
Driver’s door switch
 When the driver’s door is opened
All of the door switches
 A door is opened when all the doors are closed
Hood switch
 A hood opened
OK: The M.U.T.-III sounds or the voltmeter needle fluctuates.

Q. Are the check result normal?





STEP 3. Customise function by using the SWS monitor.



caution The SWS monitor must be used in order to confirm and change that setting. Use the SWS monitor to confirm and/or change the customised function.

Q. Is the check result normal?





STEP 4. Retest the system.



Q. Is the check result normal?