B2231

DTC B2231 FRONT LEFT SIDE SENSOR MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

Ultrasonic sensor consists of a sensor portion that transmits and receives ultrasonic waves and a pre amplifier that amplifies them. The ultrasonic sensor outputs the ultrasonic transmission and reception signals to the clearance warning ECU assembly.

Wiring Diagram:

Step 1-2:

INSPECTION PROCEDURE