Inspection Procedure 1

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: When the Brake Pedal is Depressed, Auto-cruise Control System is not Cancelled.

COMMENT
The stoplight switch circuit is suspected.

TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THIS CASE:)
- Malfunction of the stoplight switch.
- Damaged harness or connector.
- Malfunction of the ECM (M/T) or PCM (A/T).

DIAGNOSIS

STEP 1. Read the auto-cruise control system diagnostic trouble code.
Read the auto-cruise control system diagnostic trouble codes. Diagnostic Trouble Code Descriptions

Q: Is DTC P15 set?

YES : Refer to, Diagnostic Trouble Code Procedures - DTC P15: Stoplight Switch System. DTC 15

NO : Go to Step 2.

STEP 2. Check the symptoms.

Q: When the brake pedal is depressed, auto-cruise control system is cancelled?

YES : It can be assumed that this malfunction is intermittent.

NO : Replace the ECM (M/T) or PCM (A/T). Then go to Step 3.

STEP 3. Check the symptoms.

Q: When the clutch pedal is depressed, auto-cruise control system is cancelled?

YES : The procedure is complete.

NO : Return to Step 1.