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

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEMS 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

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


HINT:
Use these procedures to troubleshoot the air conditioning system.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEMS ANALYSIS AND SYMPTOM CHECK

      NEXT


      3.INSPECT BATTERY VOLTAGE
        Standard voltage:
        11 to 14 V
        If the voltage is below 11 V, recharge or replace the battery before proceeding.

      NEXT


      4.CHECK FOR DTC

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

      2. Delete the DTCs.

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

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


      		B.
      Go to DTC CHART (Toyota Fortuner RM000003S6D002X.html)
      A


      5.PROBLEM SYMPTOMS TABLE (Toyota Fortuner RM000003S6F002X.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. Actuator Check (Toyota Fortuner RM000003PQ3001X.html).

      2. Terminals of ECU (Toyota Fortuner RM000003PPY001X.html).

      3. On-vehicle Inspection (Toyota Fortuner RM000003PQ6001X.html).


      NEXT


      7.ADJUST, REPAIR OR REPLACE

        NEXT

        END