CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM, Diagnostic DTC:P1585

DTC Code DTC Name
P1585 Acceleration Sensor Circuit

DESCRIPTION

The ECM determines the vehicle inclination based on a signal from the yaw rate sensor.

Tech Tips

If a CAN communication DTC is output, perform troubleshooting for that DTC first.

DTC Code

DTC Detection Condition


  1. Diagnosis Condition

  2. Malfunction Status

  3. Malfunction Time

  4. Other

 Trouble Area
P1585

  1. The ignition switch is ON.

  2. The output value of the yaw rate sensor remains at -1.5 G or less, or 1.5 G or more for at least 1.2 seconds.

  3. 3.0 seconds

  4. 1 trip detection logic

  • Yaw rate sensor

  • Brake actuator assembly (Skid control ECU)

  • CAN communication system

  1. The ignition switch is ON.

  2. The power source voltage to the yaw rate sensor remains at 4.4 V or less, or 5.6 V or higher for at least 1.2 seconds.

  3. 3.0 seconds

  4. 1 trip detection logic

  1. The ignition switch is ON.

  2. No signal from the yaw rate sensor is detected 7 times or more.

  3. 3.0 seconds

  4. 1 trip detection logic

  1. The ignition switch is ON.

  2. With the vehicle stopped, the difference between GL1 and GL2 does not become less than 0.4 G within 60 seconds after exceeding 0.6 G.

  3. 3.0 seconds

  4. 1 trip detection logic

  1. The ignition switch is ON.

  2. A yaw rate sensor power source voltage malfunction signal is received for at least 10 seconds with the vehicle speed at 3 km/h (1.8 mph) or more.

  3. 3.0 seconds

  4. 1 trip detection logic

WIRING DIAGRAM

A00587ME01
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Yaw Rate Sensor
*3 CAN Communication Line

PROCEDURE


  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)


    1. Check for DTCs of the CAN communication system Click here.

      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

  2. READ VALUE USING INTELLIGENT TESTER (G SENSOR)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List.

    5. In accordance with the display on the tester, read the Data List.

      Engine and ECT
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      G sensor

      Converted output voltage of yaw rate sensor/

      min.: 0 V

      max.: 5 V

      Displays converted voltage of yaw rate sensor


      • Vehicle on level ground: 2.31 V to 2.69 V

      • Decelerating: 1.88 V to 2.5 V

      • Accelerating: 2.5 V to 3.11 V

      • G sensor malfunction: Set to 1.87 V

      • Communication malfunction: Set to 1.87 V

      		 -
      Result
      Result Proceed to
      Data displayed is not as specified under Normal Condition A
      Data displayed is as specified under Normal Condition B

    B

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU) Click here

    A

  3. REPLACE YAW RATE SENSOR


    1. Replace the yaw rate sensor Click here.


    NEXT

  4. PERFORM INITIALIZATION

    Note


    • Performing reset memory will clear the learned values of both the yaw rate sensor (deceleration sensor 0 point calibration) and CVT oil pressure (CVT oil pressure calibration). Make sure to perform reset memory, yaw rate sensor 0 point calibration and CVT oil pressure calibration when replacing any of the parts shown in the following table:

      Replaced Part

      • Continuously variable transaxle assembly

      • ECM

      • Oil pressure sensor

      • Yaw rate sensor

    • After performing reset memory, always perform yaw rate sensor (deceleration sensor 0 point) calibration first, and then CVT oil pressure calibration.

    • Always perform 0 point calibration with the vehicle on level ground (Inclination: 0 +/-0.25°).

    • Do not shake or vibrate the vehicle during 0 point calibration.


    1. Using the intelligent tester, perform reset memory, deceleration sensor 0 point calibration and CVT oil pressure calibration Click here.

    2. Check that no DTC is stored.


    NEXT

    END