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
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)
	Memorize steering angle neutral point	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

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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.

(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

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