Inspection Procedure 3

Inspection Procedure 3: When the Auto-cruise Control "CANCEL" Switch is Set to ON, Auto-cruise Control System is not Cancelled.

COMMENT
The cause is probably an open-circuit in the output circuit inside the "CANCEL" switch.

TROUBLESHOOTING HINTS (The most likely causes for this case:)
Malfunction of the auto-cruise control switch.
Malfunction of the ECM.

DIAGNOSIS

STEP 1. Check the auto-cruise control switch.
1. Remove the auto-cruise control switch.







2. Measure the resistance between terminal 2 and terminal 3 when "CANCEL" switch is pressed.

Q: Is the resistance within specifications?

YES: Install the auto-cruise control switch and the driver s air bag module (Refer to Air Bag Modules and Clock Spring). Then go to Step 2.

NO: Replace the auto-cruise control switch. Install the driver s air bag module (Refer to Air Bag Modules and Clock Spring). Then go to Step 3.

STEP 2. Check the symptoms.

Q: "CANCEL" switch is pressed, auto-cruise control system is cancelled?

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

NO: Replace the ECM. When the ECM is replaced, register the encrypted code (Refer to Diagnosis - ID Code Registration Necessity Judgment Table). Then go to Step 3.

STEP 3. Check the symptoms.

Q: "CANCEL" switch is pressed, auto-cruise control system is cancelled?

YES: The procedure is complete.

NO: Return to Step 1.