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 > Blind Spot Monitor System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Blind Spot Monitor System DTC Code Detection Item See page C1A45 Vehicle Speed Sensor C1A46 Yaw Rate Sensor C1A47 Steering Angle Sensor C1AB0 Short to +B in Outer Mirror Indicator(Master) C1AB1 Short to +B in Outer Mirror Indicator(Slave) C1AB2 Short to GND in Outer Mir ...