How To Proceed With Troubleshooting

HINT: 

• Use the following procedure to troubleshoot the audio and visual system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 
   1. Measure the battery voltage with the engine switch off.

      Standard voltage

      11 to 14 V

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

      NEXT: Go to next step 

3. DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION 
   1. Ask the customer about symptoms and confirm malfunctions.
      RESULT
      
      

      Result	Proceed to
      Other symptoms occurred.	A
      The screen displays nothing.	B

      B → Go to step   6 

      A: Go to next step 

4. OPERATION CHECK 
   1. Refer to Check System Normal Condition. Refer to OPERATION CHECK .
      RESULT
      
      

      Result	Proceed to
      Symptom is not normal operation.	A
      Symptom is normal operation.	B

      B → SYMPTOM IS NORMAL OPERATION 

      A: Go to next step 

5. CHECK CAN COMMUNICATION SYSTEM* 
   1. Check for DTC output. Refer to DTC CHECK / CLEAR .
      RESULT
      
      

      Result	Proceed to
      CAN DTCs are not output.	A
      CAN DTCs are output.	B

      B → GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

      A: Go to next step 

6. CHECK FOR DTC* 
   1. Refer to DTC Check/Clear. Refer to DTC CHECK / CLEAR .
      RESULT
      
      

      Result	Proceed to
      DTCs are output.	A
      DTCs are not output. (The multi-display assembly displays content.)	B
      DTCs are not output. (The multi-display assembly does not display anything.)	C

      HINT: 

      If more information is needed, perform a check using the "System Check Mode" screen after checking for DTCs using the Techstream.

      B → Go to step   10 

      C → Go to step  11 

      A: Go to next step 

7. CLEAR DTC* 
   1. Refer to DTC Check/Clear. Refer to DTC CHECK / CLEAR .

      HINT: 

      The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.

      NEXT: Go to next step 

8. RECHECK FOR DTC* 
   1. Refer to DTC Check/Clear. Refer to DTC CHECK / CLEAR .
      RESULT
      
      

      Result	Proceed to
      DTCs are output.	A
      DTCs are not output.	B

      HINT: 

      • Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
      • If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the Techstream.
      • Check the DTCs and inspect the area that the code indicates.

      B → Go to step   10 

      A: Go to next step 

9. DIAGNOSTIC TROUBLE CODE CHART 
   1. Find the output code in Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .
      NOTE:

      • The audio and visual system (w/ Navigation System) outputs DTCs for the following system.
      • When DTCs other than those in Diagnostic Trouble Code Chart for the audio and visual system (w/ Navigation System) are output, refer to Diagnostic Trouble Code Chart for the relevant system.
      • Refer to Navigation System. Refer to DIAGNOSTIC TROUBLE CODE CHART
      • Refer to Rear Seat Entertainment System. Refer to DIAGNOSTIC TROUBLE CODE CHART
      RESULT
      
      

      Result	Proceed to
      DTCs for the audio and visual system are output.	A
      DTCs for the navigation system are output.	B
      DTCs for the rear seat entertainment system are output.	C

      A → Go to step   13 

      B → GO TO NAVIGATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

      C → GO TO REAR SEAT ENTERTAINMENT SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART 

10. CHECK HARD DISK DRIVE 
    1. Enter the "Failure Diagnosis" screen. Refer to Check Hard Disk Drive in Operation Check. Refer to OPERATION CHECK .

       OK

       "OK" is displayed.

       NG → REPLACE HARD DISC. Refer to  REMOVAL 

       OK: Go to next step 

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

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

       HINT: 

       If the symptom does not recur and no DTCs are output, attempt to reproduce the symptoms. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

       B → ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE 

       A: Go to next step 

12. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM 
    1. Refer to Terminals of ECU. Refer to TERMINALS OF ECU .

       NEXT: Go to next step 

13. CHECK CIRCUIT 
    1. Adjust, repair or replace as necessary.

       NEXT: Go to next step 

14. RECHECK FOR DIAGNOSTIC TROUBLE CODE 

    HINT: 

    After clearing DTCs, recheck for DTCs. Refer to DTC CHECK / CLEAR .

    NEXT: Go to next step 

15. PERFORM CONFIRMATION TEST 

    NEXT → END