Toyota Tundra Service Manual: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitter	Receiver	Signal	Line
Air conditioning control assembly	Air conditioning amplifier	Rear window defogger switch signal	LIN

Toyota Tundra Service Manual > Air Conditioning System(for Manual Air Conditioning System): IG Power Source Circuit
DESCRIPTION When the ignition switch is turned ON, positive (+) battery voltage is applied to the air conditioning amplifier. WIRING DIAGRAM PROCEDURE 1. INSPECT FUSE (ECU-IG1 NO.3) (a) Remove the ECU-IG1 NO.3 fuse from the driver side junction block. (b) Measure the resistance according to the valu ...

Toyota Tundra Owners Manual