Toyota Sienna Service Manual: Removal

Toyota Sienna Service Manual / Supplemental restraint system / Spiral cable / Removal

1. PRECAUTION

CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing.

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working.

3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD

4. REMOVE STEERING WHEEL NO.3 COVER LOWER

5. REMOVE STEERING WHEEL NO.2 COVER LOWER

6. REMOVE STEERING PAD

7. REMOVE STEERING WHEEL ASSEMBLY

8. REMOVE STEERING COLUMN COVER

REMOVE STEERING COLUMN COVER

Remove the 2 screws and the steering column cover.

9. REMOVE SPIRAL CABLE

Disconnect the connectors from the spiral cable.

NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness.
Disengage the 3 claws and remove the spiral cable.

REMOVE SPIRAL CABLE

INSPECTION

1. INSPECT SPIRAL CABLE

If there are any defects as mentioned below, replace the spiral cable with a new one: Scratches, cracks, dents or chips on the connector or the spiral cable.

Installation

1. INSTALL SPIRAL CABLE Check that the front wheels are facing straight ahead. Set the turn signal switch to the neutral position. NOTICE: If it is not in the neutral pos ...

Other materials:

Terminals of ECU
1. MULTIPLEX NETWORK GATEWAY ECU Disconnect the G4 ECU connector. Measure the voltage between the specified terminals on the wire harness side connector. If the result is not as specified, there may be a malfunction on the wire harness side. Measure the resistance between ...

Diagnostic trouble code chart
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the chart below (Proceed to the page given for that circuit). MULTIPLEX COMMUNICATION SYSTEM DTC Code Detection Item Trouble Area B1200 MPX Body ECU Stop ...

Illumination Circuit
DESCRIPTION Power is supplied to the radio and navigation assembly and steering pad switch illumination when the light control switch is in the TAIL or HEAD position. WIRING DIAGRAM INSPECTION PROCEDURE NOTICE: The vehicle is equipped with an SRS (Supplemental Restraint System) such as t ...