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

Vehicle Interior. Yaris. Ncp93, 131
Heating Air Conditioning. Yaris. Ncp93, 131

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

  3. INSPECT BATTERY VOLTAGE

  4. CHECK CAN COMMUNICATION SYSTEM*

  5. CHECK DTC*

  6. REFER TO PROBLEM SYMPTOMS TABLE

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*

  8. ADJUST, REPAIR OR REPLACE

  9. CONFIRMATION TEST

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


HINT:
  1. Use these procedures to troubleshoot the air conditioning system.
  2. *: Use a Techstream.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM 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 CAN COMMUNICATION SYSTEM*

      1. Use a Techstream to check if the CAN communication system is functioning.

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


      		B.
      GO TO CAN COMMUNICATION SYSTEM (YARIS_NCP93 RM000001D3500JX.html)
      A


      5.CHECK DTC*

      1. Check for DTCs and write down any DTCs that are output.

      2. Clear the DTCs.

      3. Referring to the DTCs written above, simulate the DTC output conditions and check whether any DTCs of the air conditioning system recur.

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


      		B.
      GO TO STEP 8
      A


      6.REFER TO PROBLEM SYMPTOMS TABLE

      1. Problem Symptoms Table (YARIS_NCP93 RM000001CXV007X.html).

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



      		B.
      GO TO STEP 8
      A


      7.OVERALL ANALYSIS AND TROUBLESHOOTING*

      1. Data List / Active Test (YARIS_NCP93 RM000001CY7007X.html).

      2. Terminals of ECU (YARIS_NCP93 RM000001CXU00SX.html).


      NEXT


      8.ADJUST, REPAIR OR REPLACE

        NEXT


        9.CONFIRMATION TEST

          NEXT

          END