Toyota Tundra Service Manual: Operation Check

OPERATION CHECK

1. CHECK KEY REMINDER WARNING SYSTEM

(a) Check that the key reminder warning buzzer sounds.

(1) With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to the LOCK or ACC position.

(2) Check that the buzzer sounds intermittently if the driver side door is opened.

(b) Check that the key reminder warning buzzer stops.

(1) Check that the buzzer stops sounding when any of the following operations is performed while the buzzer is sounding:

  • Close the driver side door (front door courtesy switch is off).
  • Turn the ignition switch to the ON position.
  • Remove the key from the ignition key cylinder.
    Key Reminder Buzzer does not Sound

    Parts Location

    See More:

    Toyota Tundra Service Manual > Occupant Classification System: Rear Occupant Classification Sensor RH Collision Detection (B1788)
    DESCRIPTION DTC B1788 is set when the occupant classification ECU receives a collision detection signal, which is sent by the occupant detection sensor rear RH when an accident occurs. DTC B1788 is also set when the front seat frame with adjuster RH is subjected to a strong impact, even if an actual ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

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