Toyota Tundra Service Manual: System Description

SYSTEM DESCRIPTION

1. GENERAL

(a) By operating the seat heater switch, which is located in the air conditioning control assembly, the temperature is controlled to 3 settings.

  • LOWEST: 32.5°C (90.5°F)
  • MID: 44.5°C (112.1°F)
  • HIGH: 58.25°C (136.85°F)

(b) Whether the seat heater is on or off can be determined by checking if the indication is located in air conditioning control assembly.

(c) The seat heaters of both seats are controlled by the seat heater switches, which are located on the air conditioning control assembly.

    Problem Symptoms Table

    System Diagram

    See More:

    Toyota Tundra Service Manual > Can Communication System: 4WD Control ECU Communication Stop Mode
    DESCRIPTION Detection Item Symptom Trouble Area 4WD Control ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Four Wheel Drive Control" is indicated on the "Communication Bus Check" screen of the Techstream. Communication system DTCs (DTCs that start with U ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0367