Audio And Visual System (W/ Multi-Display With Dvd Player) How To Proceed With Troubleshooting

Audio Visual Telematics. Corolla. Zre142 Aze141
Audio Video. Corolla. Zre142 Aze141

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION

  4. OPERATION CHECK

  5. CHECK FOR DTC

  6. DTC CLEAR

  7. RECHECK FOR DTC

  8. DIAGNOSTIC TROUBLE CODE CHART

  9. PROBLEM SYMPTOMS TABLE

  10. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

  11. CHECK THE CIRCUIT

  12. RECHECK FOR DIAGNOSTIC TROUBLE CODE

  13. PERFORM CONFIRMATION TEST

Audio And Visual System (W/ Multi-Display With Dvd Player) -- How To Proceed With Troubleshooting


HINT:
Use the following procedure to troubleshoot the navigation system.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    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


    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 9
    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 FOR DTC

    1. Refer to DTC Check/Clear (COROLLA_ZRE142 RM0000011BU0JSX.html).

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


    		B.
    Go to step 9
    A


    6.DTC CLEAR

    1. Clear the DTCs and finish the diagnostic mode.

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

    NEXT


    7.RECHECK FOR DTC
      Result:
      Result
      		Proceed to
      DTCs are output.
      		A
      DTCs are not output.
      		B
      HINT:
      1. Even if the malfunction symptom is not confirmed, check for diagnostic trouble codes. This is because the system stores history diagnostic trouble codes.
      2. Refer to the detailed description on the diagnostic screen as necessary (COROLLA_ZRE142 RM0000011BT0C2X.html).
      3. Check the DTCs and inspect the area that the code indicates.


    		B.
    Go to step 9
    A


    8.DIAGNOSTIC TROUBLE CODE CHART

    1. Find the output code in Diagnostic Trouble Code Chart (COROLLA_ZRE142 RM0000011BO0F1X.html).



    		NEXT.
    Go to step 11

    9.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (COROLLA_ZRE142 RM0000011BR0H7X.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, attempt to reproduce the symptoms (COROLLA_ZRE142 RM000000UZ108OX.html).


    		B.
    Go to step 11
    A


    10.PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

    1. Refer to Terminals of ECU (COROLLA_ZRE142 RM0000011BQ0HDX.html).


    NEXT


    11.CHECK THE CIRCUIT

    1. Adjust, repair or replace as necessary.


    NEXT


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

    NEXT


    13.PERFORM CONFIRMATION TEST

      NEXT

      END