Toyota Sienna Service Manual: 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 an unlock condition, the 3rd SEAT indicator on the combination meter will come on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FOLD SEAT CONTROL ECU
- Remove the fold seat control ECU with connectors 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 - FOLD LOCK SWITCH)
- Disconnect the connectors from the fold seat control ECU.
- Disconnect the connector from the fold lock switch.
- Measure the resistance according to the value(s) in the table below.
Standard resistance LH side
RH side
3 CHECK HARNESS AND CONNECTOR (FOLD LOCK SWITCH - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance LH side
RH side
4 INSPECT FOLD LOCK SWITCH
- Measure the resistance according to the value(s) in the table below.
Standard resistance LH side
RH side
REPLACE FOLD SEAT CONTROL ECU
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 rea ...
Seat memory switch
COMPONENTS
...
Other materials:
Washer Signal Circuit
DESCRIPTION
The distance control ECU detects washer operation. The cruise control will be
cancelled by the distance
control ECU if the windshield wipers operate in the HI or LO mode. By detecting
washer operation, the
distance control ECU allows the cruise control to continue even when the
...
If the engine will not
start
If the engine will not start even though correct starting procedures
are being followed (, 228), consider each of the following
points:
The engine will not start even though the starter motor operates
normally.
One of the following may be the cause of the problem:
There may not be sufficien ...
Disassembly
1. REMOVE LOWER BALL JOINT ASSEMBLY FRONT LH
(a) Remove the cotter pin and nut.
(b) Using SST(s), remove the lower ball joint assembly
front LH.
SST 09628-62011
2. REMOVE FRONT WHEEL BEARING DUST DEFLECTOR NO.1 LH
(a) Using a screwdriver, remove the bearing dust
deflector NO. 1 LH ...
