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:
Problem symptoms table
POWER WINDOW CONTROL SYSTEM (W/O JAM PROTECTION)
Symptom
Suspected Area
All power windows do not operate
PWR fuse
Power window relay (Marking: P/W)
Ignition switch
Power window regulator master switch
Power window regulator motor assembly
...
For rear air conditioning system
ON-VEHICLE INSPECTION
1. INSPECT REAR AIR MIX CONTROL SERVO MOTOR
(a) Inspect servo motor operation.
(1) Connect the positive (+) lead from the battery
to terminal 4 and negative (-) lead to terminal 5,
then check that the arm turns to "HOT" side
smoothly.
(2) Connect the po ...
Air-fuel ratio (a/f) and heated oxygen (ho2)
sensor heater monitors (front a/f and rear ho2 sensor
type)
(a) Preconditions
The monitor will not run unless:
The MIL is OFF.
(b) Drive Pattern
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Clear the DTCs.
(4) Start the engine.
(5) Allow the engine to idle for 10 minutes or more.
...