Toyota Tundra Service Manual: Initialization

INITIALIZATION

1. INITIALIZE FRONT POWER SEAT CONTROL SYSTEM

NOTICE:

The position sensor initialization must be performed if one of the following occurs.

  • The position control ECU and switch assembly is replaced.
  • The front seat cushion frame sub-assembly LH is inspected or replaced.
  • The front seatback frame sub-assembly LH is inspected or replaced.

(a) Perform the initialization operation

(1) Turn the ignition switch to ON.

(2) Press the front vertical switch of the position control ECU and switch assembly downward 3 times.

(3) Within 10 seconds of the above operation, begin the following operation: perform the rearward reclining operation and upward lifter operation simultaneously for 10 seconds or more (buzzer sounds for 0.5 seconds). This will start the initialization.

    How To Proceed With Troubleshooting

    One or more Power Seat Motors do not Operate

    See More:

    Toyota Tundra Service Manual > Can Communication System: Open in Bus 4 Main Bus Line
    DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ...

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