Toyota Yaris: When Replacing Or Removing/installing Parts / Work Procedure

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / General / Setup / When Replacing Or Removing/installing Parts / Work Procedure

WORK PROCEDURE

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Replacement Part

Necessary Procedure

Effect/Inoperative Function when Necessary Procedures are not Performed

Link
*1: When the steering sensor is replaced with a new one, Update ECU security key is necessary.

ECM

Perform Vehicle Identification Number (VIN) or frame number registration
  • MIL comes on
  • DTC P063051 is output

Update ECU security key

Vehicle control history (RoB) are stored

ECU configuration

-

  • Throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Engine assembly
  • Cylinder head sub-assembly
  • Camshaft (for intake or exhaust camshaft)
  • Camshaft timing gear assembly
  • Camshaft timing exhaust gear assembly
  • Piston or piston ring
  • Mass air flow meter
  • Fuel injector assembly
  • Fuel pump (for low pressure side)
  • Fuel pump assembly (for high pressure side)
  • Fuel pressure sensor (for low pressure side)
  • Fuel pressure sensor (for high pressure side)
  • Air fuel ratio sensor
  • Engine coolant temperature sensor
  • Spark plug
  • Ignition coil assembly
  • Air intake system parts
  • Exhaust system parts
  • Knock control sensor
  • Turbocharger sub-assembly

Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.

Millimeter wave radar sensor assembly

Adjust millimeter wave radar sensor assembly
  • Dynamic Radar Cruise Control System
  • Lane Tracing Assist System
  • Front Radar Sensor System
  • Pre-collision System
  • Automatic High Beam System

Triangle Target:

Flat Surface Target:

Driving Adjustment:

Update ECU security key

Vehicle control history (RoB) are stored

Forward recognition camera

Adjust forward recognition camera
  • Dynamic Radar Cruise Control System
  • Front Camera System
  • Lane Tracing Assist System
  • Pre-collision System
  • Automatic High Beam System

One Time Recognition:

Sequential Recognition:

Driving Adjustment:

Update ECU security key

Vehicle control history (RoB) are stored

Windshield glass (Including removal and installation)

Adjust forward recognition camera
  • Dynamic Radar Cruise Control System
  • Front Camera System
  • Lane Tracing Assist System
  • Pre-collision System
  • Automatic High Beam System

One Time Recognition:

Sequential Recognition:

Sequential Recognition:

4WD ECU assembly
  1. ECU Data Save (ECU being replaced)
  2. ECU Data Write (When replacing 4WD ECU assembly) (New ECU)

Active torque split AWD system

4WD linear solenoid (transmission coupling assembly)

ECU Data Write (When replacing 4WD linear solenoid (transmission coupling assembly))

Active torque split AWD system

Tire

ECU Data Initialization (When performing tire replacement after RoB code X2104 is output)

Active torque split AWD system

Skid control ECU (brake actuator assembly)

Update ECU security key

Vehicle control history (RoB) are stored

Calibration
  • DTCs are stored
  • Slip indicator light illuminates
  • VSC disabled or malfunctions

Yaw rate and acceleration sensor (airbag sensor assembly)

Calibration
  • DTCs are stored
  • Slip indicator light illuminates
  • VSC disabled or malfunctions

Airbag sensor assembly

ECU Data Initialization

Active torque split AWD system

Update ECU security key

Vehicle control history (RoB) are stored

NOTICE:

When the starter assembly is replaced, "ST NO. 1 relay" must be also replaced.

Clear the number of starter operations

Stop and start system

Engine stop and start ECU
  1. Upload the number of starter operations
  2. Reset air conditioning information
  3. Learning of air conditioning information
  4. Clear the zero point calibration data
  5. Perform zero point calibration of the deceleration sensor
  6. Check oil pump with motor assembly

Stop and start system

Update ECU security key

Vehicle control history (RoB) are stored

Power steering ECU assembly

Assist map writing
  • DTCs are stored
  • EPS warning light illuminates

Update ECU security key

Vehicle control history (RoB) are stored

Electric power steering column sub-assembly

Assist map writing

There is a difference in steering effort between turning left and right.

Central gateway ECU (network gateway ECU)

Update ECU security key

-

Steering sensor (Including removal and installation)

Update ECU security key*1

Vehicle control history (RoB) are stored

  • Certification ECU (smart key ECU assembly)
  • Steering lock ECU (steering lock actuator or upper bracket assembly)
  • Electrical key transmitter sub-assembly
  • ID code box (immobiliser code ECU)
  • Main body ECU (multiplex network body ECU)
  • ECM

Code registration
  • Wireless door lock control system
  • Smart key system (for Entry function)
  • Smart key system (for Start function)
  • Engine start function

Main body ECU (multiplex network body ECU)

ECU configuration

-

  • No. 1 air conditioning radiator damper servo sub-assembly
  • No. 1 blower damper servo sub-assembly

Initialize servo motor (Air Conditioning System)

DTCs are stored

Air conditioning amplifier assembly
  1. Reset air conditioning information
  2. Learning of air conditioning information

Engine start function

Initialize servo motor (Air Conditioning System)

DTCs are stored

  • Door window regulator sub-assembly
  • Power window regulator motor assembly
  • Door glass
  • Door glass run

Initialize power window control system
  • Auto up and down function
  • Jam protection function
  • Remote control function
  • Key-linked function
  • Wireless transmitter-linked function
  • Key-off operation function
  • Catch protection function
  • Window open warning function

    Ecu Configuration

    ECU CONFIGURATION STABILIZE A POWER SOURCE ON THE VEHICLE SIDE Shut off as many following systems and parts as possible since they would generate an electrical load...

    Audio & Visual & Telematics

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    Other information:

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U012687,U012987)


    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...

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Door Control Receiver


    ComponentsCOMPONENTS ILLUSTRATION *1 DOOR CONTROL RECEIVER - - N*m (kgf*cm, ft.*lbf): Specified torque - - RemovalREMOVAL PROCEDURE 1. REMOVE DECK TRIM SIDE PANEL ASSEMBLY Click here 2. REMOVE DOOR CONTROL RECEIVER NOTICE: Do not drop, strike or otherwise subject the door control receiver to impact...

    Categories

    Key Suspend Function

    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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