LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Sienna LE, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Vehicle Stability Control System >> C1440/98 Steering Angle Sensor Unusual Bank Angle Detected >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

C1440/98 Steering Angle Sensor Unusual Bank Angle Detected: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.
    2. Turn the ignition switch off.
    3. Turn the ignition switch to the ON position again and check that no CAN communication system DTC is output.
    4. Drive the vehicle at a speed of 30 km/h (19 mph) or more, turn the steering wheel, and decelerate the vehicle (depress the brake pedal) and check that no yaw rate and deceleration sensor DTCs are output.
    Result

    Result Proceed to
    DTC (C1440/98) is output A
    CAN communication system DTC is output B
    Yaw rate and deceleration sensor DTC is output C
    DTC (C1440/98) is not output D
    NOTE: DTC C1440/98 may have been stored because the vehicle was driven on a bank at an angle of 30°or more.

    B: INSPECT CAN COMMUNICATION SYSTEM 

    C: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

    D: CHECK FOR INTERMITTENT PROBLEMS 

    A: 

  2. CHECK YAW RATE AND DECELERATION SENSOR INSTALLATION 
    1. Turn the ignition switch off.
    2. Check that the yaw rate and deceleration sensor has been installed properly.

      OK: 

      The sensor should be tightened to the specified torque. 

      The sensor should not be installed in a tilted position. 

      NG: 

      INSTALL YAW RATE AND DECELERATION SENSOR CORRECTLY 

      OK: 

      REPLACE BRAKE ACTUATOR ASSEMBLY