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
INSPECTION PROCEDURE
1 INSPECT FOLD SEAT CONTROL ECU
- Remove the fold seat control ECU with connector still connected.
- Measure the voltage according to the value(s) in the table below.
Standard voltage LH side
RH side
2 CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - FOLDING MOTOR)
- Disconnect the connectors from the fold seat control ECU.
- Disconnect the connector from the folding motor.
- Measure the resistance according to the value(s) in the table below.
Standard resistance LH side
RH sid
3 CHECK HARNESS AND CONNECTOR (FOLDING MOTOR - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance LH side
RH side
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:
Folding down the third seats (power seats)
You can operate the power third seats when the shift lever is in P.
Before folding the third seats
Lower the center head
restraint to the lowest position and stow the
seat belt buckles.
Stow the center seat belt.
Folding down the third seatbacks
Press the folding/returning ...
Eject Error/ Elevator Error/ Clamp Error/ Eject Error/ Elevator Error/ Clamp
Error
DTC 62-45 Eject Error
DTC 62-51 Elevator Error
DTC 62-52 Clamp Error
DTC 63-45 Eject Error
DTC 63-51 Elevator Error
DTC 63-52 Clamp Error
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
62-45
Disc cannot be ejected.
Radio receiver
62-5 ...
Window lock switch
Press the switch down to lock the
passenger window switches.
Use this switch to prevent children
from accidentally opening or closing
a passenger window.
The power windows can be operated when
The engine switch is in the “ON” position (vehicles without a smart key
system)
or IGNIT ...