LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2009 >> IS 250 RWD, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Intuitive Parking Assist (Diagnostic Codes & Circuit Tests) >> Intuitive Parking Assist System >> DTC B2238: Rear Left Center Sensor Malfunction >> Description

DTC B2238: Rear Left Center Sensor Malfunction: Description

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

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

Fig 1: Identifying Ultrasonic Sensor Areas
GTY126497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC No. DTC Detection Condition Trouble Area
B2238 Malfunction of No. 2 ultrasonic sensor (Rear left center sensor)
  • No. 2 ultrasonic sensor
  • Wire harness
  • Clearance warning ECU