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*.
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 value 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 Techstream to the DLC3.
(e) Turn the ignition switch ON and the tester ON.
(f) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.






(g) Confirm that the tire pressure data of all tires are displayed on the tester screen in order to check the completion.
- 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 13 (TC) and 4 (CG) of the DLC3.





- The initialization is complete when the DATA LIST "ID Tire Inflation Pressure" display shows the correct pressures.
- *: It may take up to about 5 to 6 minutes to update the tire pressure data. If the values are not displayed after about 5 to 6 minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24 C2124.