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 > Cruise Control System: System Description
SYSTEM DESCRIPTION GENERAL The cruise control system is controlled by the ECM, and vehicle speed control is performed using the throttle body with motor assembly. The ECM controls the following functions: ON-OFF, - (COAST)/SET, + (ACCEL)/RES (RESUME), CANCEL, vehicle speed operation and shift down c ...