Air Conditioning System (For Automatic Air Conditioning 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

Air Conditioning System (For Automatic Air Conditioning System) -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the air conditioning system.
  2. *: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

      NEXT


      3.INSPECT BATTERY VOLTAGE

      1. Measure the voltage of the battery.

        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 (Toyota Fortuner RM000002LIT02IX.html).

      2. Clear the DTCs (Toyota Fortuner RM000002LIT02IX.html).

      3. Based on the DTCs output above, try to force output of the air conditioning system DTC by simulating the conditions indicated by the DTC. Then recheck for DTCs.

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



      		B.
      Go to DIAGNOSTIC TROUBLE CODE CHART (Toyota Fortuner RM000002LIN02PX.html)
      A


      5.PROBLEM SYMPTOMS TABLE

      1. Refer to Problem Symptoms Table (Toyota Fortuner RM0000045E300YX.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 (Toyota Fortuner RM000002LIP036X.html)

      2. Data list / Active test (Toyota Fortuner RM000003PQ5001X.html)

      3. On-vehicle Inspection

      4. Inspection


      NEXT


      7.ADJUST, REPAIR OR REPLACE

        NEXT


        8.CONFIRMATION TEST

          NEXT

          END