Toyota Sienna Service Manual: Transmitter battery
REPLACEMENT
1. REMOVE TRANSMITTER BATTERY
NOTICE: Special caution should be taken for handling each component as they are precision electronic components.
- Using a coin or the equivalent, pry out the transmitter case.
NOTICE: Do not forcibly pry out the case.
- Remove the battery (lithium battery).
NOTICE:
- Do not push the terminals with your finger.
- Prying up the battery (lithium battery) to forcibly remove it will cause deformation of the terminals.
- Do not touch the battery with wet hands.
Water may cause unexpected rust.
- Do not touch or move any components inside the transmitter, or it may interfere with the proper operation.
2. INSTALL TRANSMITTER BATTERY
- Install a new battery (lithium battery) with the positive (+) side up, as shown in the illustration.
NOTICE:
- Be sure that the positive side and the negative side of the transmitter battery are faced correctly.
- Be careful not to bend the electrode of the transmitter battery insertion.
- Be careful that no dust or oil adheres to the transmitter case.
- Install the case securely.
Unlock Warning Switch Circuit
DESCRIPTION
The unlock warning switch detects if the key is in the ignition key cylinder.
The unlock warning switch turns on when the key is inserted into the ignition
key cylinder and turns off ...
Door control transmitter
INSPECTION
1. INSPECT DOOR CONTROL TRANSMITTER
Inspect operation of the transmitter.
Remove the battery (lithium battery) from the transmitter.
Install a new or norm ...
Other materials:
Security Horn Circuit
DESCRIPTION
During the alarm sounding state, the relay in the ECU turns on and off in a
cycle of approximately 0.2
seconds, causing the security horn to sound.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT SECURITY HORN ASSEMBLY
Disconnect the T1 security horn connector.
C ...
Correct use of the seat belts
Extend the shoulder belt so that
it comes fully over the shoulder,
but does not come into contact
with the neck or slide off the
shoulder.
Position the lap belt as low as
possible over the hips.
Adjust the position of the seatback.
Sit up straight and well
back in the seat.
...
Room temperature sensor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR A/C ROOM TEMPERATURE SENSOR
(a) Remove the rear A/C room temperature sensor.
(b) Disconnect the connector from the rear A/C room
temperature sensor.
(c) Measure the resistance according to the value(s) in
the table below.
Standard resistance
NOTI ...
