AIR CONDITIONING SYSTEM Air Vent cannot be Switched

DESCRIPTION

If the air outlet does not change even after the mode switch display changing, the following causes are possible.

Malfunction Status Factor

Air vent cannot be changed


  • (Display changes)

  • Servo motor module malfunction

  • Servo motor malfunction

  • Link drop

  • Air conditioning unit malfunction

PROCEDURE


  1. CHECK VEHICLE TYPE


    1. Check the vehicle type.

      Result
      Result Proceed to
      for LHD A
      for RHD B

    B

    CHECK NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Click here

    A

  2. CHECK NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY


    1. Check for No. 3 air conditioning radiator damper servo sub-assembly is installed correctly.

      OK
      No. 3 air conditioning radiator damper servo sub-assembly is installed correctly.
      Result
      Proceed to
      OK
      NG

    NG

    REINSTALL NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Click here

    OK

  3. CHECK FOR DTC


    1. Check for DTCs.

      Click here

      OK
      DTC B1443 and B1455 are not output.
      Result
      Result Proceed to
      DTCs are not output A
      DTC B1443 is output B
      DTC B1445 is output C

    A

    REPAIR OR REPLACE AIR CONDITIONING RADIATOR ASSEMBLY

    B

    GO TO DTC B1443 Click here

    C

    GO TO DTC B1455 Click here

  4. CHECK NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY


    1. Check for No. 1 air conditioning radiator damper servo sub-assembly is installed correctly.

      OK
      No. 1 air conditioning radiator damper servo sub-assembly is installed correctly.
      Result
      Proceed to
      OK
      NG

    OK

    GO TO STEP 3 Click here

    NG

    REINSTALL NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Click here