No Cool Air Comes Out [11/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK SWITCH INDICATOR
- Operate each switch on the air conditioning control assembly and check that the switch indicators operate normally.
OK
All switch indicators operate normally.
Result
Proceed to OK NG
Result:
NG
GO TO OTHER DIAGNOSIS PROCEDURE (Operation not Accepted Even If Air Conditioning Switch is Operated). Refer to Operation not Accepted Even If Air Conditioning Switch is Operated [11/2022 - ]
Result:
OK
See step 2
- Operate each switch on the air conditioning control assembly and check that the switch indicators operate normally.
- PERFORM ACTIVE TEST USING GTS
- Perform the Active Test according to the display on the GTS.
Body Electrical > Air Conditioner > Active Test
Tester Display Measurement Item Control Range Diagnostic Note Front Air Mix Damper Control Servo Motor No. 1 air conditioning radiator damper servo sub-assembly pulse Min.: 128
Max.: 384- Body Electrical > Air Conditioner > Active Test
Active Test Display Front Air Mix Damper Control Servo Motor Data List Display Front Air Mix Damper Control Servo Motor Actual Pulse OK
The No. 1 air conditioning radiator damper servo motor operates.
Result
Proceed to OK NG
Result:
OK
INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET. Refer to ON-VEHICLE INSPECTION [09/2021 - ]
Result:
NG
GO TO DTC TROUBLESHOOTING PROCEDURE FOR MALFUNCTIONING DAMPER SERVO MOTOR. Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2022 - ]
- Perform the Active Test according to the display on the GTS.