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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Park Assist / Monitoring) >> Intuitive Parking Assist System >> DTC B2239 Rear Right Center Sensor Malfunction >> Description

DTC B2239 Rear Right Center Sensor Malfunction: Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

The No. 2 ultrasonic sensor (rear right center sensor) is installed on the rear bumper

The clearance warning ECU detects obstacles based on signals received from the rear right center sensor. If the rear right center sensor's circuit has an open, short or other malfunction, it will not function normally.

Fig 1: Identifying Ultrasonic Sensors
G05753802Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC DETECTION CONDITION

DTC No. DTC Detection Condition Trouble Area
B2239 Malfunction of No 2 ultrasonic sensor (Rear right center sensor)
  • No 2 ultrasonic sensor (Rear right center sensor)
  • Harness or connector between clearance warning ECU and No 2 ultrasonic sensor (Rear right center sensor)
  • Clearance warning ECU