Toyota Tundra Service Manual: Utility

UTILITY

INITIALIZE THE CONNECTION INFORMATION OF A GATEWAY FUNCTION EQUIPPED ECU (BUS MONITOR ECU)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus:

  • for Body Electrical / Central Gateway / Utility / Initialization
  • for Body Electrical / Main Body / Utility / Initialization

(e) Initialize the ECU.

    Lost Communication with Tilt and Telescopic Module (U1115)

    Network Gateway Ecu

    See More:

    Toyota Tundra Service Manual > Can Communication System: Check Bus 2 Line for Short to GND
    DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and termin ...

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    Toyota Tundra Service Manual

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