HYBRID CONTROL SYSTEM, Diagnostic DTC:U0424-537
| DTC Code | DTC Name |
|---|---|
| U0424-537 | Invalid Data Received from HVAC Control Module |
DESCRIPTION
If there is a malfunction in the air conditioning amplifier assembly, DTC U0424-537 will be stored.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Warning Indicate |
|---|---|---|---|---|---|
U0424-537 |
Invalid Data Received from HVAC Control Module |
Air conditioning amplifier assembly malfunction: The hybrid vehicle control ECU receives a communication error signal from the air conditioning amplifier assembly. (1 trip detection logic) |
Air conditioning amplifier assembly |
Does not come on |
Master Warning Light: Does not come on |
CAUTION / NOTICE / HINT
After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
Wait for 1 minute or more with the vehicle stopped, the power switch on (READY), the shift lever in P, and the air conditioning system on (Lo/COOL MAX, blower speed HI).
PROCEDURE
CHECK DTC OUTPUT (AIR CONDITIONER)
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
Check if DTCs related to the air conditioning system (A/C) are output.
Body Electrical > Air Conditioner > Trouble Codes
Result
Proceed to
DTCs related to A/C are not output.
DTCs related to A/C are output.
Turn the power switch off.
DTCs related to A/C are not output. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY