Toyota CH-R Service Manual: Removal

Toyota CH-R Service Manual / Power Assist Systems / Power Steering Ecu / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the power steering ECU assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedures

Effects / Inoperative when not performed

Link

Disconnect cable from negative battery terminal

Initialize back door lock

Power door lock control system

Memorize steering angle neutral point

Lane departure alert system (w/ Steering Control)

Pre-collision system

Power steering ECU assembly
  • Torque sensor zero point calibration
  • Assist map writing
  • DTCs are stored
  • EPS warning light illuminates

PROCEDURE

1. REMOVE STEERING COLUMN ASSEMBLY

Click here

2. REMOVE POWER STEERING ECU ASSEMBLY

NOTICE:

  • Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts.
  • If the power steering ECU assembly is subjected to an impact, replace it with a new one.
  • Do not pull the wire harness of the electric power steering column sub-assembly.
  • Do not allow any moisture to come into contact with the power steering ECU assembly.
  • Do not loosen any bolts not mentioned in the procedure.
  • Do not allow any foreign matter to contaminate the power steering ECU assembly.

(a) Disconnect the connector.

(b) for Type A:

(1) Using a T40 "TORX" socket wrench, remove the 2 screws and power steering ECU assembly from the electric power steering column sub-assembly.

(c) for Type B:

(1) Remove the 2 bolts and power steering ECU assembly from the electric power steering column sub-assembly.

3. REMOVE ELECTRIC POWER STEERING MOTOR SHAFT DAMPER

(a) Remove the electric power steering motor shaft damper from the electric power steering column sub-assembly.
    Installation
    INSTALLATION PROCEDURE 1. INSTALL ELECTRIC POWER STEERING MOTOR SHAFT DAMPER Grease (a) Apply grease to a new electric power steering motor shaft damper. NOTICE: F ...

    Power Steering System
    ...

    Other materials:

    Toyota CH-R Service Manual > Power Steering System: Assist Map Number Un-Writing (C1581)
    DESCRIPTION This DTC will be stored if the power steering ECU assembly determines that the assist map is not written in the ECU. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Conditi ...

    Toyota CH-R Service Manual > Steering Pad Switch: Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the steering pad switch assembly removal/installation are shown below. Necessary Procedures After P ...

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