Air Conditioning System How To Proceed With Troubleshooting

Heater & Air Conditioning System. Camry. Acv40 Gsv40
Air Conditioning. Camry. Acv40 Gsv40

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

  4. CHECK FOR DTC*

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

  7. ADJUST, REPAIR OR REPLACE

Air Conditioning System -- How To Proceed With Troubleshooting


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


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.

    NEXT


    3.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Use the intelligent tester to check if the CAN Communication System is functioning normally.

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


    		B.
    Go to CAN COMMUNICATION SYSTEM
    A


    4.CHECK FOR DTC*

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

      HINT:
      Refer to the DTC CHECK / CLEAR (Link).

    2. Delete the DTCs.

    3. Recheck for DTCs. Based on the DTCs output above, try to force output of the A/C system DTC by simulating the operation indicated by the DTC.

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


    		B.
    Go to step 7
    A


    5.PROBLEM SYMPTOMS TABLE

    1. Refer to the problem symptoms table (CAMRY_ACV40 RM000001M2W049X.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 (CAMRY_ACV40 RM000001GUG03IX.html for AUTO A/C)

    2. DATA LIST / ACTIVE TEST (CAMRY_ACV40 RM000000PMG00CX.html)

    3. Terminals of ECU (CAMRY_ACV40 RM0000026DR004X.html)

    4. On-vehicle Inspection

    5. Inspection


    NEXT


    7.ADJUST, REPAIR OR REPLACE

      NEXT

      END