Operation CHARM: Car repair manuals for everyone.

How To Proceed With Troubleshooting








DOOR LOCK: KEY REMINDER WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
- Use the following procedures to troubleshoot the key reminder warning system.
- *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
NEXT -- Continue to next step.

3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result





B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 6
A -- Continue to next step.

5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation Check Operation Check
(b) Terminals of ECU Key Reminder Warning System
(c) Data List/Active Test Key Reminder Warning System
NEXT -- Continue to next step.

6. REPAIR OR REPLACE
NEXT -- Continue to next step.

7. CONFIRMATION TEST
NEXT -- END