Toyota Yaris: Power Steering System / Vehicle Control History

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Steering / Power Assist Systems / Power Steering System / Vehicle Control History

VEHICLE CONTROL HISTORY

DESCRIPTION

  • Vehicle Control History is a function that captures and stores ECU data when triggered by specific vehicle behavior.
  • It may be possible to determine the cause of the malfunction by checking the vehicle history information and freeze frame data.
  • The number of possible stored Freeze Frame Data sets, whether multi Freeze Frame Data is available, the number of freeze frame points, Freeze Frame Data items, the ECU internal range, etc., is different depending on the stored group.
  • The stored data items for Vehicle Control History Freeze Frame Data are different depending on the stored group. When the value of a data item does not change across all points, only the value of the detection point will be displayed. The contents of the Freeze Frame Data is almost the same as that of the Data List.

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PRECAUTIONS

  • As Vehicle Control History may be overwritten whenever the trigger conditions are met, make sure to save Vehicle Control History before performing any inspections.
  • As Vehicle Control History may be stored when performing an Active Test, learning, etc., make sure to clear the Vehicle Control History before returning the vehicle to the customer.

CHECK VEHICLE CONTROL HISTORY (POWER STEERING SYSTEM)

(a) Enter the following menus: Chassis / EMPS / Utility / Vehicle Control History (RoB).

Chassis > EMPS > Utility

Tester Display

Vehicle Control History (RoB)

Vehicle Control History Item (Power Steering System)

FFD Group

Code

Tester Display

Measurement Item

Diagnostic Note

-

X200C

Vehicle Speed Signal Invalidity

  • Latest vehicle speed signal invalid history
  • Latest vehicle speed signal fault control history (applicable only when CAN Vehicle Speed (SP1) is invalid)

-

-

X206D

Power Source Stop

Latest Engine Stall/READY OFF Control History

-

-

X206E

High Load Continuation

Latest High Load Continuous Control Number of Times

-

-

X206F

Prevention of ECU/Motor Overheat

Latest Overheat Prevention Control History

-

-

X208F

Battery Voltage Drop

  • Latest Battery Voltage Drop History
  • Latest Power Supply Voltage Drop Control History
  • Latest Power Supply Voltage Drop Restraint Control History
  • Latest Chassis Power Supply Management EPS Control History
  • Latest Load Control History

-

-

X2600

Software Incompatibility with ENG/HV Control Module (Not Programmed)

History stored when vehicle information (gasoline/HV) is not stored

-

-

X2601

Software Inconsistency with ENG/HV Control Module

  • History stored when Assist Map Writing has not been performed
  • History stored when assist map data does not match
  • History stored when vehicle information (gasoline/HV) does not match

-

-

X2603

Software Inconsistency with Body Control Module

  • History stored when Assist Map Writing has not been performed
  • History stored when assist map data does not match

-

-

X2605

Software Inconsistency with Brake Control Module

  • History stored when Assist Map Writing has not been performed
  • History stored when assist map data does not match

-

-

X2606

Software Inconsistency with Suspension Control Module

  • History stored when Assist Map Writing has not been performed
  • History stored when assist map data does not match

-

-

X2608

Software Incompatibility with VGRS Control Module (Not Programmed)

History stored when vehicle information (variable gear ratio steering system) not stored

-

-

X2609

Software Inconsistency with VGRS Control Module

History stored when vehicle information (variable gear ratio steering system) does not match

-

-

X260A

Software Incompatibility with DRS Control Module (Not Programmed)

History stored when vehicle information (dynamic rear steering system) not stored

-

-

X260B

Software Inconsistency with DRS Control Module

History stored when vehicle information (dynamic rear steering system) does not match

-

-

X260D

Software Inconsistency with Steering Angle Sensor Module

History stored when vehicle information (variable gear ratio steering system) does not match

-

-

X2610

Torque Sensor Missing Calibration of Adjustment Value Non-Memory

History stored when zero point calibration not performed

-

-

X2611

Torque Sensor Missing Calibration of Adjustment Incomplete

History stored when zero point calibration failed

-

-

X2612

Assist Map Non-Memory

History stored when Assist Map Writing has not been performed

-

-

XF01B

ECU Security Key Not Registered

ECU security key not updated

-

CLEAR VEHICLE CONTROL HISTORY (POWER STEERING SYSTEM)

Chassis > EMPS > Utility

Tester Display

Vehicle Control History (RoB)

(a) Press the DTC clear button.

NOTICE:

By performing this procedure, all stored Vehicle Control History items will be cleared.

VEHICLE CONTROL HISTORY FREEZE FRAME DATA (POWER STEERING SYSTEM)

Chassis > EMPS > Utility

Tester Display

Vehicle Control History (RoB)

(a) Select a vehicle control history item to access the applicable freeze frame data.

(b) Check the freeze frame Data recorded with the Vehicle Control History.

GTS Display

Description

Total Distance Traveled

Total distance traveled

Total Distance Traveled - Unit

Total Distance Traveled unit

Vehicle Speed

Vehicle speed from speedometer

Engine Revolution

Engine speed

Ready Status

Ready status

Battery Voltage

Auxiliary battery voltage

Steering Wheel Torque

Steering wheel torque

Steering Angle Velocity

Steering angle speed

Steering Angle

Steering angle

Status of Vehicle Power (IGP PT2)

State of IGP power source(PT2)

Status of Vehicle Power (IGP PT1)

State of IGP power source(PT1)

Status of Vehicle Power (IGP PDC)

State of IGP power source(PDC)

Status of Vehicle Power (IGR PDC)

State of IGR power source(PDC)

IG Power Supply

IG power source voltage

PIG Power Supply

PIG power source voltage

Thermistor Temperature

ECU substrate temperature

Power Source

Operating state of hybrid system

PS Assist Signal

Status of the record of power steering assist signal

Torque Sensor 1 Output

Torque sensor 1 output value

Torque Sensor 2 Output

Torque sensor 2 output value

Torque Sensor 3 Output

Torque sensor 3 output value

Torque Sensor 4 Output

Torque sensor 4 output value

Motor Actual Current (Q Axis)

Detected current flow to motor (detected current of axis q)

Command Value Current (Q Axis)

Target current flow to motor (requested current of axis q)

Motor Actual Current 2 (D Axis)

Detected current flow to motor (detected current of axis d)

Command Value Current 2 (D Axis)

Target current flow to motor (requested current of axis d)

Motor Rotation Angle

Motor rotation angle (detected by rotation sensor)

Final Motor Current limited (Q Axis)

Final motor current set limit (request current of axis q)

CAN Vehicle Speed (SP1)

Vehicle speed input value sent via CAN (equal to value indicated on speedometer)

CAN Steering Angle Speed (SSAV)

Steering wheel turning speed value sent via CAN

ECU Overheat Prevention Part

Internal component of ECU for which overheat protection control is performed

ECU Estimate Temperature of Overheat Prevention Part

Estimated temperature of internal component of ECU for which overheat protection control is performed

Motor Overheat Prevention Part

Internal component of motor for which overheat protection control is performed

Motor Estimate Temperature of Overheat Prevention Part

Estimated temperature of internal component of motor for which overheat protection control is performed

    On-vehicle Inspection

    ON-VEHICLE INSPECTION PROCEDURE 1. CHECK STEERING EFFORT (TORQUE) NOTICE: These service operations may affect the SRS airbags. Be sure to read the precautionary notices concerning the SRS airbag system before servicing...

    Power Steering Control Module Processor System Internal Failure (C05D604,...,C15D362)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C05D604 Power Steering Control Module Processor System Internal Failure ECU internal malfunction (CPU malfunction) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C05D646 Power Steering Control Module Processor Calibration / Parameter Memory Failure ECU internal malfunction (EEPROM error) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C05D649 Power Steering Control Module Processor Internal Electronic Failure ECU internal malfunction (Peripheral circuit malfunction) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C10001C Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range ECU temperature sensor "A" range malfunction Power steering ECU assembly EPS warning light: Comes on The ECU judges the system has returned to normal - C152A18 Power Steering Motor "A" Circuit Current Below Threshold Motor "A" low current malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C152A19 Power Steering Motor "A" Circuit Current Above Threshold Motor "A" overcurrent Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C152B18 Power Steering Motor "B" Circuit Current Below Threshold Motor "B" low current malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C152B19 Power Steering Motor "B" Circuit Current Above Threshold Motor "B" overcurrent Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153A00 Malfunction of Power Steering Motor "A" Inverter Pre-Driver Inverter "A" pre-driver circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153A19 Power Steering Motor "A" Inverter Circuit Current Above Threshold Inverter "A" short circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153B00 Malfunction of Power Steering Motor "B" Inverter Pre-Driver Inverter "B" pre-driver circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C153B19 Power Steering Motor "B" Inverter Circuit Current Above Threshold Inverter "B" short circuit malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154A7E Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck On Contrary connection protection relay "A" short circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154A7F Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck Off Contrary connection protection relay "A" open circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154B7E Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck On Contrary connection protection relay "B" short circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C154B7F Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck Off Contrary connection protection relay "B" open circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157A11 Power Steering Motor "A" Current Sensor Circuit Short to Ground Motor "A" current sensor low voltage malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157A62 Power Steering Motor "A" Current Sensor Signal Compare Failure Motor "A" current sensor correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157B11 Power Steering Motor "B" Current Sensor Circuit Short to Ground Motor "B" current sensor low voltage malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C157B62 Power Steering Motor "B" Current Sensor Signal Compare Failure Motor "B" current sensor correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D11C Power Steering Motor Position Sensor "A" Circuit Voltage Out of Range Rotation angle sensor "A" range malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D162 Power Steering Motor Position Sensor "A" Signal Compare Failure Rotation angle sensor "A" correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D21C Power Steering Motor Position Sensor "B" Circuit Voltage Out of Range Rotation angle sensor "B" range malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D262 Power Steering Motor Position Sensor "B" Signal Compare Failure Rotation angle sensor "B" correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D31C Power Steering Motor Position Sensor "C" Circuit Voltage Out of Range Rotation angle sensor "C" range malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - C15D362 Power Steering Motor Position Sensor "C" Signal Compare Failure Rotation angle sensor "C" correlation malfunction Power steering ECU assembly EPS warning light: Comes on Ignition switch ON again - CAUTION / NOTICE / HINT NOTICE: When the power steering ECU assembly has been replaced, perform Power Steering ECU Initial Setting (assist map writing)...

    Other information:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Removal


    REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here 2. REMOVE OIL PRESSURE AND TEMPERATURE SENSOR (a) Disconnect the oil pressure and temperature sensor connector. (b) Using a 24 mm deep socket wrench, remove the oil pressure and temperature sensor...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Components


    C..

    Categories

    Break-In Period

    No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.

    Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.

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