How To Proceed With Troubleshooting

The hand-held tester can be used during steps 3, 8 and 11.

1. VEHICLE BROUGHT TO WORKSHOP 

   GO TO NEXT STEP 

2. CUSTOMER PROBLEM ANALYSIS (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 

   GO TO NEXT STEP 

3. CHECK AND CLEAR DTCs (See  DTC CHECK/CLEAR   ) 

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4. PROBLEM SYMPTOM CONFIRMATION 
   1. Turn the power switch on (IG).
   2. Turn the P position switch on, or move the selector lever to the R, N, or D position with the brake pedal depressed to See if any problem symptom occurs.
   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  ) 

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6. CHECK MULTIPLEX COMMUNICATION SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 

   HINT:

   The steering lock ECU is connected to the multiplex communication system. Therefore, be sure to check that there are no problems in the multiplex communication system before performing troubleshooting.

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7. CHECK CAN COMMUNICATION SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 

   HINT:

   This ECU is connected to the CAN communication system. Therefore, be sure to check that there are no troubles in the CAN communication system before performing troubleshooting.

   GO TO NEXT STEP 

8. DTC CHECK (See  DTC CHECK/CLEAR   ) 
   1. DTC IS NOT OUTPUT (Go to step 9) 
   2. DTC IS OUTPUT (Go to step   10 ) 
9. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 

   Go to step   11 

10. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART   ) 

    GO TO NEXT STEP 

11. CIRCUIT INSPECTION (See  DTC C2300 ACT SYSTEM MALFUNCTION   to  P POSITION SWITCH INDICATOR LIGHT CIRCUIT   ) 

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12. PROBLEM IDENTIFICATION 

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13. REPAIR OR REPLACEMENT 

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14. CONFIRMATION TEST 
    1. GO TO NEXT STEP 
    2. END