Toyota Sienna Service Manual: Rear Power Seat Switch Circuit
DESCRIPTION
When the power rear no. 2 seat switch is operated, a recline signal is sent to the fold seat control ECU.
The ECU activates the reclining motor based on the signal from the power rear no. 2 seat switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FOLD SEAT CONTROL ECU
- Remove the fold seat control ECU.
- 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 side
3 INSPECT POWER REAR NO. 2 SEAT SWITCH
- Disconnect the connector from the power rear no. 2 seat switch.
- Measure the resistance according to the value(s) in the table below.
Standard resistance: LH side
RH side
4 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
5 REPAIR OR REPLACE HARNESS OR CONNECTOR (WIRE INSIDE SEAT)
- Repair or replace harness or connector (wire inside seat) and check that the malfunction disappears.
OK: Malfunction disappears.
END
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 ...
Fold Lock Switch Circuit
DESCRIPTION
Each of the left and right seats has a fold lock switch that detects the lock
condition of the seat legs and
floor when the seat is in the stowed state. If the fold lock switch detects ...
Other materials:
Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the cable to
prevent the airbag working.
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE STEE ...
The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or
Distorted
INSPECTION PROCEDURE
1 CHECK CELLULAR PHONE
Check if the other side can hear your voice properly.
OK:
Your voice can be heard correctly.
2 CHECK SETTINGS
Check if the mute switch is set to ON.
OK:
Mute switch is not set to ON.
3 CHECK SETTINGS
Enter the "Handsfree ...
Installation
1. INSTALL BACK DOOR GLASS
Clean and shape the contact surface of the vehicle
body.
Using a knife, cut away any rough adhesive on
the contact surface of the body to ensure the
appropriate surface shape.
HINT:
Leave as much adhesive on the body as
possible.
& ...
