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Initialization








TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: INITIALIZATION

INITIALIZATION

1. 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 valve and transmitter.*
- Specified tire pressure changes depending on the size or type of tire.

HINT: *: Perform initialization after the transmitter ID registration is completed (Registration).

(b) Before initialization
(1) Set the air pressure of all tires to the specified values (Service Precautions).

NOTE: Make sure the tires are cooled down.

2. INITIALIZATION PROCEDURE
(a) Turn the ignition switch ON.
(b) Press and hold the tire pressure warning reset switch for 3 seconds or more so that the tire pressure warning light blinks 3 times.





(c) Turn the ignition switch OFF.
(d) Connect the Techstream to the DLC3.
(e) Turn the ignition switch ON and turn the Techstream on.
(f) Enter the following menus: Chassis / Tire Pressure Monitor / Data List /
(g) Check that the initialization has been completed.
(h) Confirm that the tire pressure data of all tires are displayed on the Techstream screen.

NOTICE:
- The initialization is normally completed within 2 to 3 minutes.
- If the initialization has not been completed successfully, DTC C2177/77 is set after a vehicle speed of 8 km/h (5 mph) or more continues for 20 minutes or more.
- While in test mode, the system will not change to initialization mode even if the initialization switch is pushed.
- The initialization can be terminated by connecting terminals 13 (TC) and 4 (CG) of the DLC3.





Tire Pressure Monitor





HINT:
- The initialization is complete when the Data List "ID Tire Inflation Pressure" display shows the correct pressures.
- *: It may take about 2 or 3 minutes until the values are displayed. If the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2125/25.