DTC    U0424-537    Invalid Data Received from HVAC Control Module

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DESCRIPTION

If there is a malfunction in the air conditioning amplifier assembly, DTC U0424-537 will be stored.

DTC No.
INF Code
DTC Detection Condition
Trouble Area
U0424
537
Air conditioning amplifier assembly malfunction
Air conditioning amplifier assembly

INSPECTION PROCEDURE

1.CHECK DTC OUTPUT (AIR CONDITIONER)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the power switch on (IG).

  1. Enter the following menus: Body / Air Conditioner / DTC.

  1. Check if DTCs related to the air conditioning system (A/C) are output.

    Result:
    Result
    		Proceed to
    DTCs related to A/C are not output.
    		A
    DTCs related to A/C are output.
    		B



B
GO TO DTC CHART (AIR CONDITIONING SYSTEM) (Click here)
A

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY (Click here)