COMBUSTION TYPE POWER HEATER SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • Use these procedures to troubleshoot the combustion type power heater system.

  • *: Use the DTC tester.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

    Result

    Proceed to

    NEXT
    NEXT

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

    Result

    Result

    NEXT
    NEXT

  3. INSPECT BATTERY VOLTAGE

    1. Measure 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.

    Result

    Proceed to

    NEXT
    NEXT

  4. CHECK FOR DTC*

    1. Check for DTCs and note any codes that are output.

      Click here

    2. Clear the DTCs.

      Click here

    3. Recheck for DTCs.

      Click here

    Result

    Result

    Proceed to

    DTC is not output

    A

    DTC is output

    B
    B

    Go to DIAGNOSTIC TROUBLE CODE CHART

    Click here

    A

  5. PROBLEM SYMPTOMS TABLE

    1. Refer to the Problem Symptoms Table.

      Click here

    Result

    Result

    Proceed to

    Fault is not listed in problem symptoms table

    A

    Fault is listed in problem symptoms table

    B
    B

    ADJUST, REPAIR OR REPLACEClick here

    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING

    1. Terminals of ECU

      Click here

    2. On-vehicle Inspection

    3. Inspection

    Result

    Proceed to

    NEXT
    NEXT

  7. ADJUST, REPAIR OR REPLACE

    Result

    Proceed to

    NEXT
    NEXT

  8. CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END