AIR CONDITIONING SYSTEM Panel Switch Operation not Accepted

DESCRIPTION

If the air conditioning system does not operate even when the multi-display is operated, the following causes are possible.

Malfunction Status Factor

  • Only air conditioning system does not operate even when the multi-display is operated

  • All functions (including air conditioning system) do not operate even when the multi-display is operated

  • CAN communication malfunction between air conditioning amplifier assembly and radio receiver assembly

  • Air conditioning amplifier assembly malfunction

  • Radio receiver assembly malfunction

WIRING DIAGRAM

B000RQNE02
*1 Radio Receiver Assembly
*2 Air Conditioning Amplifier Assembly
*3 CAN Communication Line

PROCEDURE


  1. CHECK OPERATION (RADIO RECEIVER ASSEMBLY)


    1. When the multi-display is operated, check that the functions except air conditioning system are controlled normally.

      OK
      The functons except air conditioning system are controlled normally.
      Result
      Result
      OK
      NG

    OK

    REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here