Toyota Yaris: Manual Transaxle System / System Diagram
SYSTEM DIAGRAM

CAUTION / NOTICE / HINT HINT:
The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system...
Other information:
DESCRIPTION If the cooling effect of the air conditioning system is weak, the following factors may be the cause. Symptom Factor
Cooling effectiveness is poor
Cooling response is slow
ECO drive mode function (air flow volume is restricted due to ECO drive mode being selected)
Compressor with pulley assembly malfunction
Refrigerant volume (high)
Refrigerant volume (low)
Clogged cooler condenser assembly fins
Cooling fan system malfunction
Mechanical locking of damper and damper link
Automatic light control sensor malfunction
High inlet air temperature
PROCEDURE 1...
UTILITY REFRIGERANT SHORTAGE CHECK USING GTS (a) Check that the following conditions are met and perform the refrigerant shortage check according to the display on the GTS. Measurement Condition: Item Condition A/C switch On Ambient temperature*1 0 to 49°C (32 to 120°F) Blower speed HI *1: If the ambient temperature is not within the range shown, do not perform this check...
Categories
If a key is left in the vehicle, the functions of the key left in the vehicle
are temporarily suspended to prevent theft of the vehicle.
To restore the functions, press the unlock button on the functions-suspended
key in the vehicle.
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