DESCRIPTION The rear corner ultrasonic sensor RH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor RH. If the rear corner ultrasonic sensor RH has an open circuit or other malfunction, it will not function normally.
CAUTION / NOTICE / HINT NOTICE: If DTCs are output after repairs, turn the engine switch on (IG) and the intuitive parking assist system on. Then clear the DTCs. Click here
PROCEDURE
(a) Check for DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
(a) Replace the rear corner ultrasonic sensor RH with a known good one. Click here HINT: All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.
(a) Clear the DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(b) Check for DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
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Toyota Avalon Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Malfunction in Rear Speed Sensor RH Circuit (C1403,C1404)
DESCRIPTION Refer to DTCs C1415 and C1416. Click here DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL Note C1403 Malfunction in Rear Speed Sensor RH Circuit 521 522 527 INF Code: 521 At a vehicle speed of 10 km/h (6 mph) or more, output voltage from one of the speed sensors ...
