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Toyota Sienna Service Manual: Power Slide Door Pulse Sensor Malfunction on Rear Left Door

Toyota Sienna Service Manual / Engine hood / door / Power slide door system / Diagnostic trouble code chart / Power Slide Door Pulse Sensor Malfunction on Rear Left Door

DTC B2224 Power Slide Door Pulse Sensor Malfunction on Rear Left Door

DESCRIPTION

DTC No.

DTC Detection Condition

Trouble Area

B2224

Power slide door LH does not operate
  • Wire harness
  •  Power slide door control motor and clutch LH
  •  Power slide door ECU LH

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK WIRE HARNESS (MOTOR AND CLUTCH LH - POWER SLIDE DOOR ECU LH)

CHECK WIRE HARNESS (MOTOR AND CLUTCH LH - POWER SLIDE DOOR ECU LH)

  1. Disconnect the P21 motor and clutch, and the P25 ECU connectors.
  2. Check the continuity between the wire harness side connectors.

Resistance (Check for open circuit)

Resistance

2 INSPECT SLIDE DOOR CONTROL MOTOR AND CLUTCH ASSEMBLY LH

INSPECT SLIDE DOOR CONTROL MOTOR AND CLUTCH ASSEMBLY LH

  1. Remove the motor and clutch.
  2.  Connect the battery positive (+) lead to terminal 3 and battery negative (-) terminal lead to terminal 2.
  3. Apply battery voltage to the terminals and check the motor operation.

OK

OK

  1. Check the resistance of the clutch terminals.

Resistance

Resistance

  1. Reinstall the motor and clutch with the connector connected.

INSPECT SLIDE DOOR CONTROL MOTOR AND CLUTCH ASSEMBLY LH

  1. Check the pulse of the pulse sensor.
  1.  Using an oscilloscope, check the pulse generated when the door is manually opened and closed.

Reference

Reference

HINT: A cycle of the pulse changes between approx. 10 to 20 msec. according to the speeds that the slide door is moving.

NOTICE: When disconnecting the control motor and clutch, initialize the power slide door system.

REPLACE POWER SLIDE DOOR ECU LH

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