Toyota Yaris: Power Source & Network / Networking
INSTALLATION PROCEDURE 1. INSTALL GENERATOR WITH REGULATOR ASSEMBLY (a) Temporarily install the generator with regulator assembly. (b) Using an E8 "TORX" socket wrench, install the 2 stud bolts...
Other information:
BEFORE STARTING DRIVING ADJUSTMENT CAUTION / NOTICE / HINT HINT:
Purpose of millimeter wave radar beam axis learning
If the installation position or orientation of the millimeter wave radar sensor is changed due to it being removed and reinstalled or replaced with a new one, or due to the front bumper or radiator grille being replaced, it is necessary for the millimeter wave radar sensor to learn the driving direction of the vehicle in order for each driving support system to operate correctly...
DESCRIPTION The AWD ECU assembly receives signals from the ECM, steering sensor and skid control ECU (brake actuator assembly) via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory U010087 Lost Communication with ECM/PCM "A" Missing Message When the ignition switch is ON, the IG1 terminal voltage is 10 V or more and the vehicle speed is 60 km/h (37 mph) or more, signals cannot be received from the ECM for 1 second or more
CAN communication system
AWD ECU assembly
ECM
Displayed Yes U012687 Lost Communication with Steering Angle Sensor Module Missing Message
When the following continues:
When the IG1 terminal voltage is 10 V or more, communication with the steering sensor is impossible for 1 second or more
When the IG1 terminal voltage is 10 V or more, a condition in which communication with the steering sensor is impossible occurs 1 time or more within a 5-second period, and this occurs 10 times within 60 seconds
CAN communication system
AWD ECU assembly
Steering sensor
Displayed Yes U012987 Lost Communication with Brake System Control Module Missing Message When the IG1 terminal voltage is 10 V or more, communication with the skid control ECU (brake actuator assembly) is impossible for 3 seconds or more
CAN communication system
AWD ECU assembly
Skid control ECU (Brake actuator assembly)
Displayed Yes PROCEDURE 1...
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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