Initialization

TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: 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 the tire.

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

(b) Before initialization

(1) Set the air pressure of all wheels to the specified value Service Precautions.

NOTICE:
Make sure the tires are cooled down.

2. INITIALIZATION PROCEDURE

(a) Turn the ignition switch to 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 to ON.

(f) Turn the Techstream on.

(g) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

(h) Check that the initialization has been completed.

(i) Confirm that the tire pressure data of all tires are displayed on the tester 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.
* The initialization can be terminated by connecting terminals 13 (TC) and 4 (CG) of the DLC3 connector.






Text in Illustration





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 C2124/24 C2121.