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
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Other materials:
Cooling fan ecu
ON-VEHICLE INSPECTION
1. INSPECT COOLING FAN ECU
(a) Inspect the input voltage.
(1) Disconnect the cooling fan ECU connector.
(2) Turn the ignition switch to the ON position.
Check the voltage of the +B terminal of the
disconnected wire harness side connector.
Standard voltage:
9 t ...
Vehicle Speed Signal Circuit between Radio Receiver and Combination
Meter
DESCRIPTION
This circuit is necessary for the ASL (Auto Sound Leveliser) built into the
radio receiver.
Speed signals are received from the combination meter and used for the ASL.
The ASL function automatically adjusts the sound data in order to enable hearing
the clear audio sound
even ...
System description
1. CRUISE CONTROL SYSTEM
This system is controlled by the ECM, and is activated by
the throttle position sensor and motor. The ECM controls
the following functions: ON-OFF, - (COAST)/SET, +
(ACCEL)/RES (RESUME), CANCEL, vehicle speed
operation, motor output control, and overdrive control.
& ...
