DESCRIPTION The IG circuit is the power source for the tire pressure warning ECU and receiver. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
HINT: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Solar Sensor Circuit (Driver Side) (B1424/24)
DESCRIPTION The solar sensor, which is installed on the upper side of the instrument panel, detects sunlight and controls the air conditioning in AUTO mode. The output current from the solar sensor varies according to the amount of sunlight. When the sunlight increases, the output current increases. ...