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) Remove the No. 3 ultrasonic sensor (rear center sensor LH) (See page
(b) Inspect the No. 3 ultrasonic sensor (rear center sensor LH) (See page
(a) Disconnect the S2 No. 3 ultrasonic sensor (rear center sensor LH) connector. (b) Disconnect the S3 No. 3 ultrasonic sensor (rear center 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 > Engine Immobiliser System (w/o Smart Key System): Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis ...
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