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Toyota Sienna Service Manual: Jam Protection Function Activates During Power Slide Door LH Operation

Toyota Sienna Service Manual / Engine hood / door / Power slide door system / Inspection procedure / Jam Protection Function Activates During Power Slide Door LH Operation

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK DTC

  1. Check for DTC B2224. DTC B2224 indicates a pulse sensor malfunction.
  1. Without code outputs, proceed to A.
  2.  With code outputs, proceed to B.

2 VISUALLY CHECK

  1. Check for foreign objects on the sliding area.

3 MANUAL OPERATION

  1. Turn off* the power slide door main switch in order to locate the area where reverse operation has been triggered.

    * OFF is the position where orange paint on the top of the switch does not appear.

  2.  Move the slide door manually, and check to make sure no obstacles are present (no extra resistance) around the reverse operation area and that the slide door smoothly operates.

4 READ VALUE OF INTELLIGENT TESTER

  1. Using the intelligent tester, check the DATA LIST for proper functioning of power slide door touch sensor LH.

OK (Power slide door ECU LH):

Power slide door ECU LH

5 INSPECT POWER SLIDE DOOR TOUCH SENSOR LH

INSPECT POWER SLIDE DOOR TOUCH SENSOR LH

  1. Inspect the resistance of the sensor.

Resistance

Resistance

6 CHECK WIRE HARNESS (POWER SLIDE DOOR TOUCH SENSOR LH - POWER SLIDE DOOR ECU LH)

CHECK WIRE HARNESS

  1. Disconnect the P31 sensor and P25 ECU connectors.
  2. Check the resistance between the wire harness side connectors.

Resistance (Check for open circuit)

Check for open circuit

REPLACE POWER SLIDE DOOR ECU LH

7 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Select the ACTIVE TEST and then check that the power slide door control motor and clutch LH operates.

HINT: During the ACTIVE TEST, the intelligent tester sends a signal to the power slide door ECU LH to drive the motor and clutch. If the motor and clutch operate, the motor and clutch itself and the wire harness between the motor and clutch and the power slide door ECU are considered to be functioning normally.

OK (Power slide door ECU LH):

Power slide door ECU LH

8 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

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

CHECK WIRE HARNESS

  1. Disconnect the P21 motor and clutch, the P25 and P26 ECU connectors.
  2. Check the resistance between the wire harness side connectors.

Resistance (Check for open circuit)

Check for open circuit

REPLACE POWER SLIDE DOOR ECU LH

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