Toyota Tundra Service Manual: Parts Location

IG Power Source Circuit

Precaution

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Toyota Tundra Service Manual > Window Defogger System: Rear Window Defogger System does not Operate
DESCRIPTION When the air conditioning control assembly (rear window defogger switch) is turned on, a rear window defogger activation request signal is sent via the LIN communication line to the air conditioning amplifier. Then the air conditioning amplifier operates the rear window defogger. WIRING ...