How To Proceed With Troubleshooting

HINT: 

• Use the following procedure to troubleshoot the navigation system (for DVD).
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 
   1. Inspect the battery voltage.

      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.	A
      The screen displays nothing.	B

      B → Go to step 10, AND PROCEED TO "BLACK SCREEN" 

      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 DIAGNOSIS SYSTEM .
      RESULT
      
      

      Result	Proceed to
      DTC is not output.	A
      DTC is output.	B

      B → GO TO CAN COMMUNICATION SYSTEM, refer to  DIAGNOSTIC TROUBLE CODE CHART 

      A: Go to next step 

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

      Result	Proceed to
      DTC is output.	A
      DTC is not output.	B

      HINT: 

      If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the Techstream, refer to SYSTEM DESCRIPTION .

      B → Go to step 10 

      A: Go to next step 

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

      HINT: 

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

      NEXT: Go to next step 

8. RECHECK FOR DTC* 
   RESULT
   
   

   Result	Proceed to
   DTC is output.	A
   DTC is 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, refer to SYSTEM DESCRIPTION .
   • Check the DTC and inspect the area 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 navigation system outputs DTCs for the following system.
      • When DTCs other than those in Diagnostic Trouble Code Chart for the navigation system are output, refer to Diagnostic Trouble Code Chart for the system.
      • Audio and visual system (w/ navigation system), refer to DIAGNOSTIC TROUBLE CODE CHART
      • Rear seat entertainment system (w/ rear seat entertainment system), refer to DIAGNOSTIC TROUBLE CODE CHART
      RESULT
      
      

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

      A → Go to step 12 

      B → GO TO AUDIO AND VISUAL SYSTEM (w/ Navigation System), refer to  DIAGNOSTIC TROUBLE CODE CHART 

      C → GO TO REAR SEAT ENTERTAINMENT SYSTEM, refer to  DIAGNOSTIC TROUBLE CODE CHART 

10. 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 DTC is output, perform the symptom reproduction method, refer to HOW TO PROCEED WITH TROUBLESHOOTING .

       B → Go to step 12 

       A: Go to next step 

11. CHECK ECU TERMINAL ARRANGEMENT BASED ON MALFUNCTION SYMPTOM 
    1. Refer to Terminals of ECU, refer to TERMINALS OF ECU .

       NEXT: Go to next step 

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

       NEXT: Go to next step 

13. RECHECK FOR DIAGNOSTIC TROUBLE CODE 

    HINT: 

    After clearing the DTCs, recheck for DTCs.

    NEXT: Go to next step 

14. PERFORM CONFIRMATION TEST 

    NEXT → END