How To Proceed With Troubleshooting

HINT:

Troubleshoot in accordance with the procedure on the following pages.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE 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 BODY MULTIPLEX COMMUNICATION SECTION (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
   2. A: 
4. CHECK DIAGNOSTIC TROUBLE CODE (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
   1. Check a DTC and note it down if a code is output.
   2. Delete the DTC.
   3. Check if the DTC will be output once again, when the problem symptom is simulated based on the noted code.
      1. Without an output of the code, proceed to A.
      2. With an output of the code, proceed to B.
   1. B: Go to step   7 
   2. A: Go To Next Step 
5. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 
   1. Without applicable symptoms, proceed to A.
   2. With applicable symptoms, proceed to B.
   1. B: Go to step   7 
   2. A: Go To Next Step 
6. PERFORM TROUBLESHOOTING IN THE FOLLOWING METHOD, DEPENDING ON MALFUNCTION SYMPTOM 
   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).
7. ADJUSTMENT, REPAIR OR REPLACEMENT
   1. END