Toyota Sienna Service Manual: Initialization procedure
(a) Make sure that the ignition switch is off.
(b) Connect the intelligent tester to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Select "TIREPRESS" by following the prompts displayed on the intelligent tester.
(e) Press the tire pressure warning reset switch within 30 seconds after turning the ignition switch ON.
Keep the tire pressure warning reset switch pressed for 3 seconds or more with the ignition switch ON.
(f) Check that the tire pressure warning light blinks 3 times (1 second ON, 1 second OFF).
HINT: Initialization will be completed if signals are received from all the wheels.
(g) Wait for 5 to 6 minutes with the ignition switch ON.
NOTICE:
- The initialization is normally completed within 5 to 6 minutes.
- If the initialization has not been completed successfully, DTC C2177/77 is set after the vehicle is driven for 20 minutes or more.
- The initialization can be terminated by connecting terminals TC and CG of the DLC3 connector.
Description of initialization
(a) Perform initialization in the following cases:
Before delivery of a new vehicle.
After replacement of the tire pressure warning
ECU*.
After replacement of the tire pressure warning
val ...
Check that initialization has been completed
(a) Confirm that the data of tire pressure of all tires are
displayed on the intelligent tester screen.
Tester Display
Measurement Item/Range
Normal Condition
Diagnostic Note
...
Other materials:
Pre-collision seat belts (front seats of vehicles with pre-collision
system)
If the system determines that a collision is unavoidable, the front seat
belts will retract before the collision.
Emergency locking retractor (ELR)
The retractor will lock the belt during a sudden stop or on impact. It may
also
lock if you lean forward too quickly. A slow, easy motion wi ...
Driving Position Memory Switch Circuit (w/ Memory)
DESCRIPTION
The seat memory switch sends signals to the outer mirror control ECU LH via
the multiplex
communication system to memorize a given seat position. This memory system does
not use a position
sensor. The seat position is detected by counting pulses that are output when
the motor tu ...
MIL Circuit
DESCRIPTION
The MIL (Malfunction Indicator Lamp) is used to indicate vehicle malfunctions
detected by the ECM.
When the ignition switch is turned to the ON position, power is supplied to the
MIL circuit, and the ECM
provides the circuit ground which illuminates the MIL.
The MIL operation ...