Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Initialization



  • Initialization can only be performed for vehicles with a tire pressure warning reset switch.
  • If initialization is performed, the existing tire positions will be cleared, but will be automatically identified when the vehicle is driven at 37 km/h (23 mph) or more for 10 minutes or more.
  • Initialization can be confirmed through the tire pressure warning light.
  • The order in which the data is received is random.
  • If the signals from all the tire pressure warning valve and transmitters are received, initialization is completed.
  • Initialization is completed when the Data List "ID Tire Inflation Pressure" display shows the correct pressures (See page Initialization is normally completed within a few minutes. ).
  • Initialization is normally completed within a few minutes.
  • It may take a few 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 (See page If initialization has not been completed successfully, DTC C2177/77 ).
  • If initialization has not been completed successfully, DTC C2177/77 is stored after a vehicle speed of 37 km/h (23 mph) or more is detected for 20 minutes or more.
  • During test mode (sensor check mode), the system will not change to initialization mode even if the tire pressure warning reset switch is pushed.
  • Initialization can be terminated by connecting terminals 13 (TC) and 4 (CG) of the DLC3. Illustration Text in Illustration


    Front view of DLC3


(a) Make sure that the tires are cool.

(b) Set the tire pressure to the specified value (See page 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 until the tire pressure warning light blinks 3 times.

Text in Illustration


Tire Pressure Warning Light


Tire Pressure Warning Reset Switch


Tire Pressure Warning Light Output Pattern


1 sec.





(c) Turn the ignition switch off.

(d) Connect the Techstream to the DLC3.

(e) Turn the ignition switch to ON and turn the Techstream on.

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

(g) Check that initialization has been completed.

(h) Confirm that the tire pressure data of all tires is displayed on the Techstream screen.

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION OF SYSTEM (a) When the tire pressure warning system detects that the tire pressure of a tire is lower than the threshold, it will inform the driver using a warnin ...

REGISTRATION PROCEDURE 1. BEFORE REGISTRATION NOTICE: The transmitter ID is written on the tire pressure warning valve and transmitter. It is not possible to read the transmitter ID after instal ...

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