Toyota Yaris: Heated Steering Wheel System / System Diagram
SYSTEM DIAGRAM
SYSTEM DIAGRAM

PARTS LOCATION ILLUSTRATION
*1 SPIRAL CABLE SUB-ASSEMBLY *2 STEERING HEATER SWITCH *3 STEERING WHEEL ASSEMBLY - STEERING WHEEL HEATER UNIT - - ILLUSTRATION
*1 NO...
SYSTEM DESCRIPTION HEATED STEERING WHEEL SYSTEM (a) The steering heater warms up the steering wheel when the steering heater switch is turned on. (b) The steering heater uses a control thermostat inside the steering wheel to maintain the steering wheel at the specified temperature...
Other information:
DESCRIPTION When an open or short circuit is detected in the transponder key amplifier coil built into the engine switch, the certification ECU (smart key ECU assembly) stores this DTC. This DTC is also stored as a history DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B27841C Antenna Coil Circuit Voltage Out of Range The transponder key amplifier coil built into the engine switch is open (see below) or shorted (determined by communication with certification ECU (smart key ECU assembly))...
ComponentsCOMPONENTS ILLUSTRATION
*1 SPARK PLUG *2 IGNITION COIL ASSEMBLY
N*m (kgf*cm, ft.*lbf): Specified torque - - RemovalREMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ignition coil assembly or spark plug removal/installation are shown below...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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