How To Proceed With Troubleshooting

The hand-held tester can be used in steps  3,  4,  6,  9 and  10.

1. VEHICLE BROUGHT TO WORKSHOP 
   1. NEXT 
2. CUSTOMER PROBLEM ANALYSIS CHECK  
   1. NEXT 
3. CHECK MULTIPLEX COMMUNICATION SYSTEM (SEE  PRE-CHECK  ) 
   1. DTC IS OUTPUT: CHECK MULTIPLEX COMMUNICATION CIRCUIT 
   2. DTC IS NOT OUTPUT: Go to step   4 
4. DTCs CHECK (Present and Past DTCs) (SEE  DTC CHECK/CLEAR   ) 
   1. DTC IS OUTPUT: Go to step   5 
   2. DTC IS NOT OUTPUT: (SEE  PROBLEM SYMPTOMS TABLE   ) 
   3. DTC B1150/23 IS OUTPUT: Go to step   5 
5. (SEE  DIAGNOSTIC TROUBLE CODE TABLE   ) 
   1. NEXT 
6. CIRCUIT INSPECTION (SEE  DTC B0100/13 SHORT IN D SQUIB CIRCUIT   TO  TC TERMINAL CIRCUIT   ) 
   1. MALFUNCTION CODE IS OUTPUT: Go to step   7 
   2. NORMAL CODE IS OUTPUT: Go to step   12 
7. IDENTIFICATION OF PROBLEM 
   1. NEXT 
8. REPAIR 
   1. NEXT 
9. CLEAR DTCs (Present and Past DTCs) (SEE  DTC CHECK/CLEAR   ) 
   1. NEXT 
10. DTCs CHECK (SEE  DTC CHECK/CLEAR   ) 
    1. DTC CODE IS NOT OUTPUT: Go to step   10 
    2. DTC CODE IS OUTPUT: Go to step   4 
11. SYMPTOM SIMULATION (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    1. WARNING LIGHT REMAINS OFF: Go to step   12 
    2. WARNING LIGHT IS ON: Go to step   4 
12. CONFIRMATION TEST 
    1. NEXT 
    2. END