Content .. 2666 2667 2668 2669 ..
Toyota Tundra (2015 year). Manual - part 2668
(b) Use a repair wire to check the connector if it is impossible to
*1
Repair Wire
5. PRECAUTIONS WHEN REPLACING A GATEWAY FUNCTION EQUIPPED ECU (SUB BUS
MONITOR ECU) WITH A USED ONE FROM ANOTHER VEHICLE
(a) When a gateway function equipped ECU (network gateway ECU) that was previously installed on another
vehicle is used as a replacement part, it is necessary to initialize the connection information stored in the
ECU.
NOTICE:
If the connection information stored in a gateway function equipped ECU that was previously installed on
another vehicle is different from the actual ECUs and sensors connected to the corresponding bus,
communication DTCs will be detected.
HINT:
When an ECU is replaced with one from a vehicle with the same options and specifications (the same
(c) Connect the Techstream to the DLC3.
(d) Turn the ignition switch to ON.
(e) Turn the Techstream on.
(f) Enter the following menus: Body Electrical / Main Body or Gateway / Utility.
(g) Select Initialization from Utility to initialize the ECU.
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: PRE...