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 the wheels (including the grand spare tire) to the specified value Service Precautions.
NOTE: Make sure the tires are cooled down.
2. INITIALIZATION PROCEDURE
(a) Turn the ignition switch to the ON position.
(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 (1 second on, 1 second off) and "PRESSURE INITIAL" appears on the multi-information display.
(c) Turn the ignition switch to the LOCK position.
(d) Connect the Techstream to the DLC3.
(e) Turn the ignition switch to the ON position.
(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 the wheels are displayed on the Techstream.
- The initialization is normally completed within 2 to 3 minutes.
- If the initialization has not been completed successfully, DTC C2177/77 is stored 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.
- 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 C2121.