How To Proceed With Troubleshooting

The hand-held tester can be used during steps 3, 7, 10 and 13.

1. VEHICLE BROUGHT TO WORKSHOP 
   1. NEXT: Go to next step. 
2. CUSTOMER PROBLEM ANALYSIS (SEE  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
   1. NEXT: Go to next step. 
3. CHECK AND CLEAR DTCs (SEE  DTC CHECK/CLEAR  ) 
   1. NEXT: Go to next step. 
4. PROBLEM SYMPTOM CONFIRMATION 
   1. SYMPTOM DOES NOT OCCUR (Go to step 5) 
   2. SYMPTOM OCCURS (Go to step   6 ) 
5. SYMPTOM SIMULATION (SEE  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
   1. NEXT: Go to next step. 
6. CHECK MULTIPLEX COMMUNICATION SYSTEM (SEE  HOW TO PROCEED WITH TROUBLESHOOTING  ) 

   HINT:

   Check that there are no problems in the multiplex communication system before troubleshooting the steering lock system.

   1. NEXT: Go to next step. 
7. DTC CHECK (SEE  DTC CHECK/CLEAR  ) 
   1. DTC IS NOT OUTPUT (Go to step 8) 
   2. DTC IS OUTPUT (Go to step   9 ) 
8. PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  ) 
   1. Go to step   10 
9. DTC CHART (SEE  DIAGNOSTIC TROUBLE CODE CHART  ) 
   1. NEXT: Go to next step. 
10. CIRCUIT INSPECTION (SEE  DTC B2781 STEERING LOCK ECU OPEN/SHORT MALFUNCTION   to  UNLOCK POSITION SENSOR SIGNAL CIRCUIT  ) 
    1. NEXT: Go to next step. 
11. PROBLEM IDENTIFICATION 
    1. NEXT: Go to next step. 
12. REPAIR OR REPLACEMENT 
    1. NEXT: Go to next step. 
13. CONFIRMATION TEST 
    1. NEXT: END