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Toyota Sienna Service Manual: Steering Angle Sensor Communication Stop Mode

Toyota Sienna Service Manual / Can communication / Can communication system / Fail-safe chart / Steering Angle Sensor Communication Stop Mode

DESCRIPTION

Detection Item

Symptom

Trouble Area

Steering Angle Sensor Communication Stop Mode
  • "Steering angle sensor" is not displayed on the "Communication Bus Check" screen of the intelligent tester
  • Applies to "Steering Angle Sensor Communication Stop Mode" in the "DTC COMBINATION TABLE"
  • Power source circuit of steering angle sensor
  • Steering angle sensor branch wire or connector
  • Steering angle sensor

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

HINT: Operating the ignition switch, any switches, or any doors triggers related ECU and sensor communication with the CAN. This communication will cause the resistance value to change.

1 CHECK OPEN IN CAN BUS WIRE (STEERING ANGLE SENSOR BRANCH WIRE)

  1. Turn the ignition switch off.
  2. Disconnect the steering angle sensor connector.
  3. Measure the resistance according to the value(s) in the table below.

Standard resistance

2 CHECK WIRE HARNESS (BAT, IG1, ESS)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

  1. Measure the voltage according to the value(s) in the table below.

Standard voltage

REPLACE STEERING ANGLE SENSOR

Gateway ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Gateway ECU Communication Stop Mode "Gateway" is not displayed on the "Communication ...

Yaw Rate Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Yaw Rate Sensor Communication Stop Mode "Yaw rate/ Deceleration sensor" is not displayed ...

Other materials:

ECU Power Source Circuit
DESCRIPTION This circuit provides power to operate the theft deterrent (warning) ECU. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FUSE (ECU-B) Remove the ECU-B fuse from the engine room J/B. Measure the resistance. Standard resistance: Below 1 Ω 2 CHECK INSTRUMENT PANEL ...

Short in Front Pretensioner Squib LH Circuit
DTC B0135/73 Short in Front Pretensioner Squib LH Circuit DESCRIPTION The front pretensioner squib LH circuit consists of the center airbag sensor assembly and the front seat outer belt assembly LH. This circuit instructs the SRS to deploy when deployment conditions are met. DTC B0135/73 ...

Installation
HINT:  Use the same procedures for the RH side and LH side.  The procedures listed below are for the LH side. 1. INSTALL SIDE AIRBAG SENSOR LH Check that the ignition switch is off.  Check that the battery negative (-) terminal is disconnected. CAUTION: Afte ...

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