Toyota Sienna Service Manual: 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 SAFETY PAD SUBASSEMBLY
HINT: Refer to the instructions for INSTALLATION of the instrument panel safety pad (See page IP-14)
3. CONNECT CABLE TO BATTERY NEGATIVE TERMINAL
4. REGISTER TRANSMITTER ID
HINT: See page TW-20.
5. INSPECT TIRE PRESSURE WARNING SYSTEM
HINT: See page TW-25.
6. INITIALIZE SYSTEM
NOTICE:
- Be sure to register the transmitter IDs of all tires in the ECU before initialization.
- Be sure to inflate all tires to the proper inflation pressure before initialization.
HINT: See page TW-23.
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. DIS ...
Tire pressure warning reset switch
COMPONENTS
...
Other materials:
Meter Illumination does not Dim at Night
DESCRIPTION
Confirm that the vehicle is equipped with the optitron meter, then
check this circuit.
The combination meter assembly receives a auto dimmer signal from
the body ECU by the multiplex
communication line.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK MULTIP ...
System Too
DESCRIPTION
The fuel trim is related to the feedback compensation value, not to the basic
injection time. The fuel trim
consists of both the short-term and long-term fuel trims.
The short-term fuel trim is fuel compensation that is used to constantly
maintain the air-fuel ratio at
stoich ...
Data list / active test
1. READ DATA LIST
HINT:
Using the intelligent tester to read the Data List allows
the values or states of switches, sensors, actuators and
other items to be read without removing any parts. This
non-intrusive inspection can be very useful because
intermittent conditions or signals may be disco ...
