How To Proceed With Troubleshooting

HINT: 

• Use the following procedures to troubleshoot the steering lock system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. CUSTOMER PROBLEM ANALYSIS 

   NEXT: Go to next step 

3. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

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

   HINT: 

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

   NEXT: Go to next step 

4. CHECK DTC* 
   1. Check for DTCs and make a note of any codes that are output. Refer to DTC CHECK / CLEAR .
      RESULT
      
      

      Result		Proceed to
      No DTCs output	Problem symptom can be confirmed and reproduced	A
      	Problem symptom cannot be confirmed or reproduced	B
      Steering lock system DTCs output		C
      LIN communication DTCs output		D

      HINT: 

      • When steering lock system DTCs are output, refer to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .
      • The steering lock system does not store past DTCs.

      B → USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

      C → Go to step 7 

      D → Go to LIN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to  DIAGNOSTIC TROUBLE CODE CHART 

      A: Go to next step 

5. PROBLEM SYMPTOMS TABLE 
   1. Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .
      RESULT
      
      

      Result	Proceed to
      Fault not listed in problem symptoms table	A
      Fault listed in problem symptoms table	B

      B → Go to step 6 

      A: Go to next step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Data List / Active Test. Refer to DATA LIST / ACTIVE TEST .
   2. Terminals of ECU. Refer to TERMINALS OF ECU .

      NEXT: Go to next step 

7. REPAIR OR REPLACE 

   NEXT: Go to next step 

8. CHECK DTC AGAIN* 
   1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
   2. Check for DTCs and make a note of any codes that are output. Refer to DTC CHECK / CLEAR .

      HINT: 

      Perform the DTC output confirmation operation.

      RESULT
      
      

      Result	Proceed to
      No DTCs output	A
      DTCs output	B

      B → GO TO DIAGNOSTIC TROUBLE CODE CHART 

      A → END