Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028C49 |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 -
] |
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Gasoline Model with Automatic Air Conditioning System): No Cooling at All; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 - ] |
DESCRIPTION
If cool air is not discharged (air is discharged), the following malfunctions are possible.
Malfunction Status
|
Factor
|
Cool air is not discharged (air is discharged)
|
-
Compressor with pulley assembly malfunction
-
Refrigerant pressure malfunction
-
Lack of refrigerant gas
-
Dirty cooler condenser
-
Cooling fan system malfunction
-
Air mix damper and link operation (jamming)
-
Evaporator temperature sensor (determined as cold, but conflicts with actual temperature)
-
Warm air flow
|
PROCEDURE
1.
|
CHECK SWITCH INDICATOR
|
(a) Operate each switch on the air conditioning control assembly and check that the switch indicators operate normally.
OK:
All switch indicators operate normally.
OK
|
|
|
Result
|
Proceed to
|
for Single Type
|
A
|
for Dual Type
|
B
|
A
|
|
|
3.
|
PERFORM ACTIVE TEST USING GTS
|
(a) 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
|
This test activates the front air mix damper control servo motor.
(No. 1 air conditioning radiator damper servo sub-assembly (air mix))
|
128: Min
384: Max
|
Operate with the ignition switch ON.
|
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:
Damper servo motor is operated.
4.
|
PERFORM ACTIVE TEST USING GTS
|
(a) 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 Left Air Mix Damper Control Servo Motor
|
This test activates the Front Left Air Mix Damper Control Servo Motor.
(No. 1 air conditioning radiator damper servo sub-assembly (front left side air mix))
|
128: Min
384: Max
|
Operate with ignition switch ON.
|
Front Right Air Mix Damper Control Servo Motor
|
This test activates the Front Right Air Mix Damper Control Servo Motor.
(No. 1 air conditioning radiator damper servo sub-assembly (front right side air mix))
|
128: Min
384: Max
|
Operate with ignition switch ON.
|
Body Electrical > Air Conditioner > Active Test
Active Test Display
|
Front Left Air Mix Damper Control Servo Motor
|
Data List Display
|
Front Left Air Mix Damper Control Servo Motor Actual Pulse
|
Body Electrical > Air Conditioner > Active Test
Active Test Display
|
Front Right Air Mix Damper Control Servo Motor
|
Data List Display
|
Front Right Air Mix Damper Control Servo Motor Actual Pulse
|
OK:
Damper servo motor is operated.
|