How To Proceed With Troubleshooting
HINT:
- The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system.
Use this procedure to troubleshoot the wireless door lock control system.
- The hand-held tester can be used at steps 4, 5, 8, 11 and 14.
- VEHICLE BROUGHT TO WORKSHOP
- NEXT : Go to next step
- CUSTOMER PROBLEM ANALYSIS (SEE CUSTOMER PROBLEM ANALYSIS CHECK
)
- Interview and confirm the trouble.
- NEXT : Go to next step
- PROBLEM SYMPTOM CONFIRMATION
- NEXT : Go to next step
- CHECK BODY MULTIPLEX COMMUNICATION SYSTEM (SEE DTC CHECK/CLEAR
)
- Check for output DTCs.
HINT:
The ECM of this system is connected to the multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the multiplex communication system.
- MULTIPLEX SYSTEM DTC IS OUTPUT: PROCEED TO MULTIPLEX COMMUNICATION SYSTEM
- NO MULTIPLEX SYSTEM DTC: GO TO STEP 5
- Check for output DTCs.
- DTC CLEAR (SEE DTC CHECK/CLEAR
)
- NEXT : Go to next step
- PROBLEM SYMPTOM SIMULATION
- SYMPTOM DOES NOT OCCUR: GO TO STEP 7
- SYMPTOM OCCURS: GO TO STEP 8
- SYMPTOM SIMULATION (SEE HOW TO PROCEED WITH TROUBLESHOOTING
)
- NEXT : Go to next step
- DTC CHECK (OTHER THAN MULTIPLEX SYSTEM DTC) (SEE DTC CHECK/CLEAR
)
- DTC IS OUTPUT: GO TO STEP 9
- NO DTC: GO TO STEP 10
- DTC CHART (SEE DIAGNOSTIC TROUBLE CODE CHART
)
- NEXT: GO TO STEP 11
- PROBLEM SYMPTOMS TABLE (SEE PROBLEM SYMPTOMS TABLE
)
- NEXT : Go to next step
- CIRCUIT INSPECTION (SEE DTC B1242/42 WIRELESS DOOR LOCK TUNER CIRCUIT MALFUNCTION
TO HAZARD WARNING LIGHT CIRCUIT
)
- NEXT : Go to next step
- IDENTIFICATION OF PROBLEM
- NEXT : Go to next step
- ADJUSTMENT, REPAIR OR REPLACEMENT
- NEXT : Go to next step
- CONFIRMATION TEST
- NEXT: END