Toyota Yaris: Cooling Fan System / On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLING FAN SYSTEM
CAUTION:
To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspecting the cooling fan system.
(a) Connect the GTS to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the GTS on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Control the Engine Cooling Fan Duty Ratio.
Powertrain > Engine > Active Test| Tester Display |
|---|
| Control the Engine Cooling Fan Duty Ratio |
(e) Check the operation of the cooling fan while operating it using the GTS.
If the cooling fan motor does not operate, check the cooling fan circuit.
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System Diagram
S..
Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends a signal to the cooling fan ECU (fan with motor assembly)...
Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Headlight LH Circuit (B243900,B243A00)
DESCRIPTION The light control LED ECU supplies internally boosted voltage to the light control LED ECU LH so that the current supplied to the LED is always maintained at a constant value. These DTCs are also output when the main body ECU (multiplex network body ECU) detects malfunctions while monitoring the applied voltage...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Battery Circuit or Ground Circuit Energization Malfunction (B228B00)
DESCRIPTION This DTC is stored when there is a malfunction in the certification ECU (smart key ECU assembly) auxiliary battery power supply circuit or ground circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Note B228B00 Battery Circuit or Ground Circuit Energization Malfunction A malfunction is detected in the certification ECU (smart key ECU assembly) auxiliary battery power supply circuit or ground circuit...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)