B2237

DTC B2237 Rear Left Sensor Malfunction

DESCRIPTION

DTC Detection Condition:

The No. 1 ultrasonic sensor (rear left sensor) is installed on the rear bumper.
The clearance warning ECU detects obstacles based on signals received from the rear left sensor. If the rear left sensor's circuit has an open, short or other malfunction, it will not function normally.

Wiring Diagram:

Step 1:

Step 2:

INSPECTION PROCEDURE