Toyota RAV4 manuals

Toyota Sienna Service Manual: Release Actuator Circuit

DESCRIPTION

The fold seat control ECU receives a switch operation signal from the fold seat switch and activates the release actuator. The release actuator releases the lock of the stowed seat based on a drive voltage received from the ECU.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT FOLD SEAT CONTROL ECU

INSPECT FOLD SEAT CONTROL ECU

  1. Remove the fold seat control ECU with connector still connected.
  2.  Measure the voltage according to the value(s) in the table below.

Standard voltage LH side

Standard voltage

RH side

Standard voltage

2 CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - FOLDING MOTOR)

CHECK HARNESS AND CONNECTOR

  1. Disconnect the connectors from the fold seat control ECU.
  2. Disconnect the connector from the folding motor.
  3. Measure the resistance according to the value(s) in the table below.

Standard resistance LH side

Standard resistance

RH sid

Standard resistance

3 CHECK HARNESS AND CONNECTOR (FOLDING MOTOR - BODY GROUND)

CHECK HARNESS AND CONNECTOR

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance LH side

Standard resistance

RH side

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Reclining Motor Circuit
DESCRIPTION The fold seat control ECU receives a switch operation signal from the power rear no. 2 seat switch and the fold seat switch, and activates the reclining motor. At this time, the Hall ...

Lock Switch Circuit
DESCRIPTION Each of the left and right seats has lock switches that detect the lock condition of the seat legs to the floor when the seat is in the original or folded-down state. If any of the loc ...

Other materials:

Disassembly
1. INSPECT PACK CLEARANCE OF FORWARD CLUTCH HINT: (See page AX-242) 2. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC (a) Using a screwdriver, remove the snap ring. (b) Remove the flange, 5 discs and 5 plates from the input shaft assembly. 3. REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMB ...

Removal
HINT: On the RH side, use the same procedures as on the LH side. 1. REMOVE REAR NO. 1 SEAT ASSEMBLY LH HINT:  Captain seat type:  Center seat type: 2. REMOVE REAR DOOR WEATHERSTRIP LH 3. REMOVE ROPE HOOK ASSEMBLY 4. REMOVE BACK DOOR SCUFF PLATE 5. REMOVE ROOF HEADLINING GA ...

How to proceed with troubleshooting
HINT:  Troubleshooting of the wireless door lock control system is based on the premise that the power door lock system, the power slide door system, the power back door system and the power window system are operating normally. Therefore, before troubleshooting the wireless door lo ...

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