How To Proceed With Troubleshooting

HINT:

Troubleshoot in accordance with the procedures on the following pages.

1. VEHICLE BROUGHT TO WORKSHOP 
   1. GO TO NEXT STEP 
2. CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM 
   1. GO TO NEXT STEP 
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 multiplex communication system with the hand-held tester.
      1. (ECU unconnected, communication line abnormal) Without code outputs, proceed to A.
      2. (ECU unconnected, communication line abnormal) With code outputs, proceed to B.
   1. B: GO TO MULTIPLEX COMMUNICATION SECTION (See  MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSIS  ) 
   2. A: GO TO NEXT STEP 
4. DTC CHECK (See  DIAGNOSTIC TROUBLE CODE CHART  ) 
   1. Check for a diagnostic trouble code.
      1. Without code outputs, proceed to A.
      2. With code outputs, proceed to B.
   1. B: GO TO STEP   6 
   2. A: GO TO NEXT STEP 
5. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
   1. When problem is not listed on problem symptoms table, proceed to A.
   2. When problem is listed on problem symptoms table, proceed to B.
   1. B: GO TO STEP   7 
   2. A: GO TO NEXT STEP 
6. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM 
   1. Pre-check (See PRE-CHECK ).
      1. Inspection with the hand-held tester (ECU DATA LIST).
      2. Inspection with the hand-held tester (ACTIVE TEST).
   2. On-vehicle inspection (See ON-VEHICLE INSPECTION ).
   3. Inspection (See INSPECTION ).
   4. Terminals of ECU (See TERMINALS OF ECU ).
   1. GO TO NEXT STEP 
7. ADJUST, REPAIR OR REPLACE 
   1. END