DESCRIPTION The No. 1 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. 1 ultrasonic sensor (front corner sensor RH) (See page
(b) Inspect the No. 1 ultrasonic sensor (front corner sensor RH) (See page
(a) Disconnect the B1 No. 1 ultrasonic sensor (front 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 > Lane Departure Alert System: Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. Click here HANDLING PRECAUTION FOR LANE DEPARTURE ALERT SYSTEM (a) Keep in mind t ...