DESCRIPTION The No. 2 ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave, the sensor calculates the approximate distance value between the vehicle and the obstacle, and sends the distance value as a signal to the clearance warning ECU assembly. WIRING DIAGRAM  PROCEDURE
(a) Remove the No. 2 ultrasonic sensor (rear corner sensor RH) (See page
(b) Inspect the No. 2 ultrasonic sensor (rear corner sensor RH) (See page
(a) Disconnect the S4 No. 2 ultrasonic sensor (rear corner sensor RH) connector. (b) Disconnect the J35 clearance warning ECU assembly connector. (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 (Passenger Side) (B1421/21)
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. ...
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