Initialization

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 (Component Tests and General Diagnostics).

NOTE: 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 to OFF.
(d) Connect Techstream to the DLC3.
(e) Turn the ignition switch to ON and turn the tester 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 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 TC and CG of the DLC3 connector.





(1) Techstream

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 (Tire Pressure Monitoring).