Toyota RAV4 manuals

Toyota Sienna Service Manual: All Doors cannot be Locked / Unlocked at Once

DESCRIPTION

The body ECU receives a switch signal from the master switch, the door control switch, the driver door key cylinder and the passenger door key cylinder and then drives the door lock motor.

WIRING DIAGRAM

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT FUSE (ECU-B)

  1. Remove ECU-B fuse from engine room junction block.
  2.  Measure the resistance.

Standard resistance: Below 1 Ω

2 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Select the ACTIVE TEST and then check that the power door lock operates.

HINT: During the ACTIVE TEST, the intelligent tester sends a signal to the body ECU to drive all the power door lock motors. If the power door lock operates, the power door lock motor itself and the wire harness between the power door lock motor and body ECU are considered to be functioning normally.

BODY (Multiplex network body ECU)

BODY

3 CHECK OPERATION (MASTER SWITCH OR KEY CYLINDER)

  1. When manual door lock/unlock operation via the master switch can not be performed, proceed to A.
  2.  When manual door lock/unlock operation via the door control switch (passenger side) can not be performed, proceed to B.
  3.  When manual door lock/unlock operation interlocked with the driver side door lock key cylinder can not be performed, proceed to C.
  4.  When manual door lock/unlock operation interlocked with the passenger side door lock key cylinder can not be performed, proceed to D.

4 INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (DOOR CONTROL SWITCH)

INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (DOOR CONTROL SWITCH)

  1. Remove the master switch.
  2. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

5 CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - DRIVER SIDE J/B)

CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - DRIVER SIDE J/B)

  1. Disconnect the D9 switch and 1K J/B connectors.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPAIR OR REPLACE HARNESS OR CONNECTOR

6 INSPECT DOOR CONTROL SWITCH ASSEMBLY

INSPECT DOOR CONTROL SWITCH ASSEMBLY

  1. Passenger side: Inspect the resistance of the switch.

Standard resistance

Standard resistance

7 CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH (PASSENGER SIDE) -DRIVER SIDE J/B)

 CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH (PASSENGER SIDE) -DRIVER SIDE J/B)

  1. Disconnect the D10 switch and 1J J/B connectors.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPAIR OR REPLACE HARNESS OR CONNECTOR

8 INSPECT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LH

INSPECT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LH

  1. Apply battery voltage and inspect operation of the door lock motor.

Standard

Standard

INSPECT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LH

  1. Inspect the resistance of the door lock and unlock switch.

Standard resistance

Standard resistance

  1. Inspect the resistance of the position switch.

Standard resistance

Standard resistance

9 CHECK HARNESS AND CONNECTOR (FRONT DOOR W/ MOTOR LOCK ASSEMBLY - DRIVER SIDE J/B)

CHECK HARNESS AND CONNECTOR (FRONT DOOR W/ MOTOR LOCK ASSEMBLY - DRIVER SIDE J/B)

  1. Disconnect the D11 door lock, B9 and 1K body ECU connectors.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

10 INSPECT FRONT DOOR W/MOTOR LOCK ASSEMBLY RH

 INSPECT FRONT DOOR W/MOTOR LOCK ASSEMBLY RH

  1. Apply battery voltage and inspect operation of the door lock motor.

Standard

Standard

 INSPECT FRONT DOOR W/MOTOR LOCK ASSEMBLY RH

  1. Inspect the resistance of the door lock and unlock switch.

Standard resistance

Standard resistance

  1. Inspect the resistance of the position switch.

Standard resistance

Standard resistance

11 CHECK HARNESS AND CONNECTOR (FRONT DOOR W/ MOTOR LOCK ASSEMBLY RH - DRIVER SIDE J/B)

CHECK HARNESS AND CONNECTOR (FRONT DOOR W/ MOTOR LOCK ASSEMBLY RH - DRIVER SIDE J/B)

  1. Disconnect the D12 door lock and 1J body ECU connectors.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

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Other materials:

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Inspection
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Glossary of sae and Toyota terms
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