Inspection Procedure 1: When the Brake Pedal is Depressed, Auto-cruise Control is not Cancelled.




COMMENTS ON TROUBLE SYMPTOM


The stop lamp switch circuit is suspected.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III data list.



  • Item 74: Stop lamp switch
  • Item 89: Brake switch
(Refer to data list reference table ).

Q. Is the check result normal?

Go to Step 2.
Check the stop lamp switch system (Refer to - Diagnosis Code Procedures, Code No. 22: Stop lamp switch system). Then go to Step 3.

STEP 2. Retest the system.


Q. Does the brake pedal depressed, auto-cruise control system is cancelled?

It can be assumed that this malfunction is intermittent (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points, How to Cope with Intermittent Malfunction ).
Replace the engine-ECU <M/T> or engine-A/T-ECU <A/T> (Refer to GROUP 13A - Engine-ECU and Engine-A/T-ECU ) <6G72> or (Refer to GROUP 13B - Engine-ECU and Engine-A/T-ECU ) <6G75>. Then go to Step 3.

STEP 3. Retest the system.


Q. Does the brake pedal depressed, auto-cruise control system is cancelled?

The procedure is complete.
Return to Step 1.