Toyota CH-R Service Manual: Removal

Toyota CH-R Service Manual / Supplemental Restraint Systems / Spiral Cable / 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 spiral cable sub-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

PROCEDURE

1. REMOVE STEERING WHEEL ASSEMBLY

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2. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

3. INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY (w/o Steering Heater)

(a) Check the flat cable shown in the illustration.

If the flat cable shown in the illustration is not visible, it is possible that the spiral cable with sensor sub-assembly is broken. Replace the spiral cable with sensor sub-assembly with a new one.

*a	Flat Cable

4. INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY (w/ Steering Heater)

(a) Check the flat cable shown in the illustration.

If the flat cable shown in the illustration is not visible, it is possible that the spiral cable with sensor sub-assembly is broken. Replace the spiral cable with sensor sub-assembly with a new one.

*a	Flat Cable

5. REMOVE LOWER STEERING COLUMN COVER SUB-ASSEMBLY

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6. REMOVE UPPER STEERING COLUMN COVER

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7. REMOVE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

NOTICE:

Do not replace the spiral cable with sensor sub-assembly with the battery connected and the ignition switch ON.
Do not rotate the spiral cable with sensor sub-assembly without the steering wheel assembly installed, with the battery connected and the ignition switch ON.
Ensure that the steering wheel assembly is installed and aligned straight when inspecting the steering sensor.

(a) Check that the ignition switch off.

(b) Check that the cable is disconnected from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(d) Slide the slider to release the lock, and then disconnect the yellow airbag connector from the spiral cable with sensor sub-assembly.

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

Slider

(e) Disconnect each connector from the spiral cable with sensor sub-assembly.

(f) Disengage the claws to remove the spiral cable with sensor sub-assembly.

NOTICE:

Do not remove the steering sensor from the spiral cable with sensor sub-assembly.
If there is a malfunction in the steering sensor, replace the spiral cable with sensor sub-assembly with steering sensor.

Inspection

INSPECTION PROCEDURE 1. INSPECT SPIRAL CABLE SUB-ASSEMBLY NOTICE: Do not remove the steering sensor from the spiral cable sub-assembly when inspecting the spiral cable sub-assembly. ...

Installation

INSTALLATION PROCEDURE 1. INSPECT SPIRAL CABLE SUB-ASSEMBLY (w/o Steering Heater) NOTICE: If the steering sensor is installed to a misaligned spiral cable sub-assembly, DTCs for an abnormal stee ...

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