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.
(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. |
Toyota Tundra Service Manual > Windshield Deicer System: Terminals Of Ecu
TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER (a) Disconnect the J19 air conditioning amplifier connector. (b) Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J19-1 (IG+) - J ...