Toyota Yaris: Window Defogger System / System Diagram
SYSTEM DIAGRAM

Communication Table
Transmitter | Receiver | Signal | Communication Method |
Rear Window Defogger Switch (Air Conditioning Control Assembly) | Air Conditioning Amplifier Assembly | Rear Window Defogger Switch Signal | LIN |
Air Conditioning Amplifier Assembly | Main Body ECU (Multiplex Network Body ECU) | Rear Window Defogger Operation Signal | CAN |
Main Body ECU (Multiplex Network Body ECU) | Power Distribution Box Assembly | Rear Window Defogger Operation Signal | CXPI |
PARTS LOCATION ILLUSTRATION
*1 REAR WINDOW DEFOGGER WIRE (BACK DOOR GLASS) *2 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 ENGINE ROOM JUNCTION BLOCK ASSEMBLY - ECU-IGP NO...
SYSTEM DESCRIPTION GENERAL (a) The rear window defogger wire (back door glass) is attached to the inside of the rear window and defogs the window surface quickly when the rear window defogger switch is pressed...
Other information:
DESCRIPTION The power steering ECU assembly supplies a voltage of 5 V to the torque sensor (electric power steering column sub-assembly) and monitors the voltage value of the Hall IC inside the torque sensor (electric power steering column sub-assembly) which changes in response to changes in the magnetic flux density (steering torque) detected by the Hall IC, and calculates the assist torque...
DESCRIPTION Detection Item Symptom Trouble Area Air Conditioning Amplifier Communication Stop Mode Communication stop for "Air Conditioning Amplifier" is indicated on the "Communication Bus Check" screen of the GTS. Click here
Air conditioning amplifier assembly branch line or connector
Power source circuit of air conditioning amplifier assembly
Air conditioning amplifier assembly ground circuit
Air conditioning amplifier assembly
WIRING DIAGRAM
CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws...
Categories
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)
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