Toyota Tundra Service Manual: Problem Symptoms Table



  • Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Occupant classification system:


Suspected Area

See page

Front seat RH occupant conditions and displayed passenger airbag ON/OFF indicator do not correspond

Passenger airbag ON/OFF indicator circuit


    System Description

    See More:

    Toyota Tundra Service Manual > Can Communication System: Check Bus 4 Line for Short to +B
    DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 22 (CA2H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 7 (CA2L) of the central gateway ECU (network gateway ECU) and termin ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2023 Copyright