Toyota Yaris: Air Conditioning System / No Cool Air Comes Out
DESCRIPTION
If warm air blows from the registers regardless of the temperature setting of the air conditioning system, the following factors may be the cause.
| Symptom | Factor |
|---|---|
| No cool air comes out (Blower control is normal) |
|
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.
| NG |
 | GO TO OTHER DIAGNOSIS PROCEDURE (A/C Switch Indicator does not Turn On) |
|
| 2. | PERFORM ACTIVE TEST USING GTS (FRONT LEFT AIR MIX DAMPER CONTROL SERVO MOTOR, FRONT RIGHT AIR MIX DAMPER CONTROL SERVO MOTOR) |
(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 | No. 1 air conditioning radiator damper servo sub-assembly pulse | Min.: 128 Max.: 384 | - |
| Front Right Air Mix Damper Control Servo Motor | No. 1 air conditioning radiator damper servo sub-assembly pulse | Min.: 128 Max.: 384 | - |
| Tester Display |
|---|
| Front Left Air Mix Damper Control Servo Motor |
| Tester Display |
|---|
| Front Right Air Mix Damper Control Servo Motor |
OK:
Each damper servo motor operates.
| OK |
 | INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET |
| NG |
 | GO TO DTC TROUBLESHOOTING PROCEDURE FOR MALFUNCTIONING DAMPER SERVO MOTOR |
Recirculated/Fresh Air Modes do not Switch
DESCRIPTION If the air inlet mode cannot be changed between recirculation/fresh or exhaust gas odors can be smelled even though recirculation mode is selected, the following factors may be the cause...
Air Vent cannot be Switched
DESCRIPTION If the air outlet mode does not change even though the air outlet display changes, the following factors may be the cause. Symptom Factor Air outlet mode cannot be changed
(Air outlet display changes)
No...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Utility
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Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Installation
INSTALLATION PROCEDURE 1. INSTALL COOLER CONDENSER ASSEMBLY (a) Engage the guide to install the cooler condenser assembly. NOTICE: Do not damage the cooler condenser assembly or radiator assembly when installing the cooler condenser assembly. HINT: If a new cooler condenser assembly is installed, add compressor oil to the cooler condenser assembly as follows...
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Liftgate/Trunk Lid
WARNING
Never allow a person to ride in the luggage compartment/trunk
Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.
Do not drive with the liftgate/trunk lid open
