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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

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Other materials:

Removal
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY 2. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY 3. DRAIN ENGINE COOLANT 4. REMOVE V-BANK COVER SUB-ASSEMBLY 5. REMOVE NO. 2 AIR CLEANER INLET 6. REMOVE NO. 1 AIR CLEANER INLET 7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY Disconnect the 3 vacuum hoses. ...

Eject Error/ Elevator Error/ Clamp Error
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Installation
1. INSTALL FRONT BUMPER ASSEMBLY Push the front bumper onto the front of the vehicle and engage the claws on the left and right sides of the front bumper to install it as shown in the illustration. HINT: Apply protective tape to the bottom part of the front fender to prevent i ...

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