How To Proceed With Troubleshooting

VEHICLE BROUGHT TO WORKSHOP
1. GO TO NEXT STEP
CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CONFIRMATION
1. GO TO NEXT STEP
INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN)
1. Check that there is no abnormality in the communication system by inspecting the communication function of the body multiplex communication system with the hand-held tester.
  1. (ECU unconnected, communication line abnormal) Without code output, proceed to A.
  2. (ECU unconnected, communication line abnormal) With code output, proceed to B.
1. B: GO TO MULTIPLEX COMMUNICATION SYSTEM (See MULTIPLEX COMMUNICATION SYSTEM )
2. A: GO TO NEXT STEP
PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
1. Without applicable problem symptoms table, proceed to A.
2. With an applicable problem symptoms table, proceed to B.
1. B: GO TO STEP 6
2. A: GO TO NEXT STEP
ACCORDING TO PROBLEM SYMPTOM, PERFORM TROUBLESHOOTING
1. PRE-CHECK (See PRE-CHECK )
  1. Inspection with the hand-held tester (ECU data monitor)
  2. Inspection with the hand-held tester (Active test)
2. TERMINALS OF ECU (See TERMINALS OF ECU )
ADJUST, REPAIR OR REPLACE
1. GO TO NEXT STEP
CONFIRMATION TEST
1. GO TO NEXT STEP
2. END