STEERING LOCK SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
2. Click here

   CUSTOMER PROBLEM ANALYSIS

   
   

   1. Interview the customer and confirm the problem.

      Click here

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
3. Click here

   CHECK BATTERY VOLTAGE

   
   

   1. Measure the voltage of the battery.

      Standard voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

      Tip:

      A simple method to determine whether the battery is depleted is to operate the horn.

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
4. Click here

   CHECK DTC*

   
   

   1. Check for DTCs and make a note of any codes that are output.

      
      
      1. Body Electrical > Entry&Start > Trouble Codes
      2. 
         
      3. 
         
      Tip:

      When DTCs indicating CAN and/or LIN communication system malfunctions are output, repair the CAN and/or LIN communication systems before performing diagnosis.

      CAN communication system (for LHD with central gateway ECU):Click here

      CAN communication system (for LHD without central gateway ECU):Click here

      CAN communication system (for RHD with central gateway ECU):Click here

      CAN communication system (for RHD without central gateway ECU):Click here

      for LIN communication system:Click here

      Result
      Result Proceed to DTC is not output. (Problem symptom cannot be confirmed or reproduced.) A DTC is not output. (Problem symptom can be confirmed and reproduced.) B Steering lock system DTC is output. C

      Tip:
      

      • When steering lock system DTCs are output, refer to Diagnostic Trouble Code Chart.

        Click here

      • The steering lock system does not store history DTCs.

   
   
   • AClick here
   • BClick here

     GO TO STEP 6

   • CClick here

     GO TO STEP 8

5. Click here

   SYMPTOM SIMULATION

   
   

   1. Proceed to How to Proceed with Troubleshooting.

      Click here

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
6. Click here

   PROBLEM SYMPTOMS TABLE

   
   

   1. Proceed to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to Fault is not listed in Problem Symptoms Table. A Fault is listed in Problem Symptoms Table. B

   
   
   • AClick here
   • BClick here
7. Click here

   OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Proceed to Data List / Active Test.

      Click here

   2. Proceed to Terminals of ECU.

      Click here

      Result
      Proceed to NEXT

   
   
   • NEXTClick here

     GO TO STEP 9

8. Click here

   CIRCUIT INSPECTION

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
9. Click here

   REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
10. Click here

    CHECK DTC AGAIN*

    
    

    1. Clear the DTCs.

       
       
       1. Body Electrical > Entry&Start > Clear DTCs
       2. 
          
       3. 
          

    2. Check for DTCs and make a note of any codes that are output.

       
       
       1. Body Electrical > Entry&Start > Trouble Codes
       2. 
          
       3. 
          
       Tip:

       Perform the DTC output confirmation operation.

       Result
       Result Proceed to DTC is not output. A Steering lock system DTC is output. B

    
    
    • A

      END

    • B

      GO TO DIAGNOSTIC TROUBLE CODE CHARTClick here