Toyota Sienna Service Manual: Removal
NOTICE: Before removing the tire pressure warning ECU, read the registered transmitter IDs of all wheels and write them down to use for re-registration of transmitter IDs (See page TW-20).
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
| CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. |
2. REMOVE INSTRUMENT PANEL SAFETY PAD SUBASSEMBLY
HINT: Refer to the instructions for REMOVAL of the instrument panel safety pad (See page IP-5).
3. REMOVE TIRE PRESSURE WARNING ECU
(a) Remove the screw.
(b) Disconnect the connector and remove the tire pressure warning ECU.
Tire pressure warning ecu
COMPONENTS
...
Installation
1. INSTALL TIRE PRESSURE WARNING ECU
(a) Connect the connector to the tire pressure warning
ECU.
(b) Install the tire pressure warning ECU with the screw.
2. INSTALL INSTRUMENT PANEL SAFET ...
Other materials:
Illumination Circuit
DESCRIPTION
The Multiplex network body ECU controls illumination light as shown in the
chart below.
Room light assembly (Interior light, luggage component light) and
courtesy light with DOOR position
Map light assembly (Personal light)
Transponder key amplifier (Ignition ke ...
Power Slide Door Warning Buzzer LH does not Sound
DESCRIPTION
The power slide door system uses warning buzzers built into LH
slide doors respectively. Each buzzer
has 2 ways of sounding that are used differently according to the
situations.
When all the following conditions are met, the warning buzzer sounds at
a cycle of ...
Vehicle Speed Sensor "A"
DESCRIPTION
The speed sensor detects the wheel speed and sends the appropriate signals to
the skid control ECU.
The skid control ECU converts these wheel speed signals into a 4-pulse signal
and outputs it to the ECM
via the combination meter. The ECM determines the vehicle speed based o ...
