Toyota Yaris: Ignition System / System Diagram
SYSTEM DIAGRAM

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and cooling fan when working in the engine compartment with the engine running or the ignition switch on (IG)...
Other information:
DESCRIPTION This DTC is output when a malfunction occurs in the left side rear speaker system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AB071 Rear Door Left Speaker Circuit Actuator Stuck When starting the system from IG OFF → ACC ON, the stereo component equalizer assembly detects a malfunction in the left side rear speaker system*
Harness or connector
Rear speaker assembly LH
Stereo component equalizer assembly
HINT: *: To prevent false positives, fault monitoring is not performed in the following conditions:
Auxiliary battery voltage has decreased to 9...
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8749 Microwave Integrated Circuit (VCO Circuit) in Front Radar Sensor Internal Electronic Failure When the ignition switch is ON, the millimeter wave radar sensor assembly detects a malfunction in the microwave integrated circuit (VCO circuit)...
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.
read more