How To Proceed With Troubleshooting

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS
CHECK BODY MULTIPLEX COMMUNICATION SYSTEM
1. Check for DTC output.
  HINT:
  
  (See DTC CHECK / CLEAR ).
MULTIPLEX DTC OUTPUTS (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM")

NO MULTIPLEX DTC (GO TO STEP 4)
CHECK CAN COMMUNICATION SYSTEM
1. Check for DTC output.
  HINT:
  
  (See PROBLEM SYMPTOMS TABLE ).
CAN DTC OUTPUTS (PROCEED TO "CAN COMMUNICATION SYSTEM"

NO CAN DTC (GO TO STEP 5)
PROBLEM SYMPTOM CONFIRMATION
PROBLEM SYMPTOMS TABLE
HINT:

(See PROBLEM SYMPTOMS TABLE ).
CIRCUIT INSPECTION
REPAIR OR REPLACE
CONFIRMATION TEST
END