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:
For vehicles equipped with mobile communication systems
FOR VEHICLES EQUIPPED WITH MOBILE COMMUNICATION SYSTEMS
(a) Install the antenna far away from the ECU and
sensors of the vehicle electronic systems as
possible.
(b) Install an antenna feeder at least 20 cm (7.87 in.)
away from the ECU and sensors of the vehicle
electronic systems. For de ...
Ignition Switch Circuit
DESCRIPTION
When the ignition switch is turned to the ON position, battery positive
voltage is applied to terminal IG of
the ECU. When battery positive voltage is applied to terminal IG of the ECU
while the theft deterrent
system is operating, the warning stops.
WIRING DIAGRAM
INSPECTIO ...
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. REMOVE FRONT SEAT ASSEMBLY (for Manual Seat)
4. REMOVE ...
