Navigation System How To Proceed With Troubleshooting

Body Electrical. Camry. Acv40 Gsv40
Navigation. Camry. Acv40 Gsv40

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION

  4. OPERATION CHECK

  5. CHECK CAN COMMUNICATION SYSTEM*

  6. CHECK FOR DTC*

  7. DTC CLEAR*

  8. RECHECK FOR DTC*

  9. DIAGNOSTIC TROUBLE CODE CHART

  10. PROBLEM SYMPTOMS TABLE

  11. CHECK THE ECU TERMINAL ARRANGEMENT BASED ON THE MALFUNCTION SYMPTOM

  12. CHECK THE CIRCUIT

  13. RECHECK FOR DIAGNOSTIC TROUBLE CODE

  14. PERFORM CONFIRMATION TEST

Navigation System -- How To Proceed With Troubleshooting


HINT:
  1. Use the following procedure to troubleshoot the navigation system.
  2. *: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.INSPECT BATTERY VOLTAGE
      Standard Voltage:
      11 to 14 V
      1. If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

    NEXT


    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 6
    A


    4.OPERATION CHECK

    1. Refer to Check System Normal Condition (Link).

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


    		B.
    SYMPTOM IS NORMAL OPERATION
    A


    5.CHECK CAN COMMUNICATION SYSTEM*

    1. Check for DTC output (CAMRY_ACV40 RM000000WI605LX.html).

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


    		B.
    GO TO CAN COMMUNICATION SYSTEM (CAMRY_ACV40 RM000000WI605LX.html)
    A


    6.CHECK FOR DTC*

    1. Refer to DTC Check/Clear (CAMRY_ACV40 RM0000011BU065X.html).

      Result:
      Result
      		Proceed to
      DTC is output.
      		A
      DTC is not output.
      		B
      HINT:
      If more information is needed, perform a check using the "System Check Mode" screen after checking for DTCs using the intelligent tester.


    		B.
    Go to step 10
    A


    7.DTC CLEAR*

    1. Refer to DTC Check/Clear (CAMRY_ACV40 RM0000011BU065X.html).

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

    NEXT


    8.RECHECK FOR DTC*

    1. Refer to DTC Check/Clear (CAMRY_ACV40 RM0000011BU065X.html).

      Result:
      Result
      		Proceed to
      DTC is output.
      		A
      DTC is not output.
      		B
      2. HINT:
      1. Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
      2. If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the intelligent tester.
      3. Check the DTCs and inspect the area that the code indicates.


    		B.
    Go to step 10
    A


    9.DIAGNOSTIC TROUBLE CODE CHART

    1. Find the output code in Diagnostic Trouble Code Chart (CAMRY_ACV40 RM0000011BO042X.html).


    NEXT

    Go to step 12


    10.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (CAMRY_ACV40 RM0000011BR045X.html).

      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 (CAMRY_ACV40 RM000000UZ104DX.html).


    		B.
    Go to step 12
    A


    11.CHECK THE ECU TERMINAL ARRANGEMENT BASED ON THE MALFUNCTION SYMPTOM

    1. Refer to Terminals of ECU (CAMRY_ACV40 RM0000011BQ05AX.html).


    NEXT


    12.CHECK THE CIRCUIT

    1. Adjust, repair or replace as necessary.


    NEXT


    13.RECHECK FOR DIAGNOSTIC TROUBLE CODE
      HINT:
      After clearing DTCs, recheck for DTCs.

    NEXT


    14.PERFORM CONFIRMATION TEST

      NEXT

      END