Toyota Tundra Service Manual: System Description

SYSTEM DESCRIPTION

1. GENERAL

(a) The heater and blower both have 3 levels controlled by operating the seat heater switch, which is located in the air conditioning control assembly.

(b) The on/off state of the heater or blower can be determined by checking if the seat heater switch indicator light is on or off.

(c) The blowers of both seats are controlled by the air conditioning amplifier assembly.

(d) The seat heaters of both seats are controlled by the seat heater controls, which are located under their respective seats.

    Problem Symptoms Table

    System Diagram

    See More:

    Toyota Tundra Service Manual > Occupant Classification System: Front Occupant Classification Sensor RH Collision Detection (B1786)
    DESCRIPTION DTC B1786 is set when the occupant classification ECU receives a collision detection signal, which is sent by the front occupant detection sensor RH when an accident occurs. DTC B1786 is also set when the front seat frame with adjuster RH is subjected to a strong impact, even if an actua ...

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