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

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    DESCRIPTION When the sliding roof drive gear (sliding roof ECU) detects malfunctions in the motor, and the sliding roof operation is stopped, DTC B2341 is output. When the sliding roof drive gear (sliding roof ECU) detects malfunctions in the gear, and the sliding roof operation is stopped, DTC B234 ...

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