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. |
Toyota Tundra Service Manual > Wireless Door Lock Control System: System Description
SYSTEM DESCRIPTION 1. WIRELESS DOOR LOCK CONTROL SYSTEM The wireless door lock control system functions to lock and unlock all the doors from a distance. The system is controlled by a handheld transmitter which sends radio waves to the door control receiver. The main body ECU (multiplex network body ...