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 > Can Communication System: Open in One Side of Bus 4 Branch Line
DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in ...