Combustion Type Power Heater System How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

  3. INSPECT BATTERY VOLTAGE

  4. CHECK FOR DTC*

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING

  7. ADJUST, REPAIR OR REPLACE

  8. CONFIRMATION TEST

Combustion Type Power Heater System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the combustion type power heater system.
  2. *: Use the DTC tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

      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.

      NEXT


      4.CHECK FOR DTC*

      1. Check for DTCs and note any codes that are output (LandCruiser RM0000027G900PX.html).

      2. Clear the DTCs (LandCruiser RM0000027G900PX.html).

      3. Recheck for DTCs (LandCruiser RM0000027G900PX.html).

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



      		B.
      Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM0000027G400VX.html)
      A


      5.PROBLEM SYMPTOMS TABLE

      1. Refer to the Problem Symptoms Table (LandCruiser RM0000027G700WX.html).

        Result
        Result
        		Proceed to
        Fault is not listed in problem symptoms table
        		A
        Fault is listed in problem symptoms table
        		B



      		B.
      GO TO STEP 7
      A


      6.OVERALL ANALYSIS AND TROUBLESHOOTING

      1. Terminals of ECU (LandCruiser RM0000027G600OX.html)

      2. On-vehicle Inspection

      3. Inspection


      NEXT


      7.ADJUST, REPAIR OR REPLACE

        NEXT


        8.CONFIRMATION TEST

          NEXT

          END