DESCRIPTION The No. 3 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) Replace the No. 3 ultrasonic sensor (rear center sensor RH) (See page
(b) Inspect the No. 3 ultrasonic sensor (rear center sensor RH) (See page
(a) Disconnect the S3 No. 3 ultrasonic sensor (rear center sensor RH) connector. (b) Disconnect the S4 No. 2 ultrasonic sensor (rear corner sensor RH) connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Tire Pressure Warning System: Diagnosis System
DIAGNOSIS SYSTEM CHECK WARNING LIGHT NOTICE: When there is a problem with the tire pressure warning system, the tire pressure warning light blinks at 0.5 second intervals, and illuminates after 1 minute. When the malfunction has been corrected, the tire pressure warning light goes off. When the tire ...