Circuit/System Description

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Circuit	Description
8 to 12 V Reference	Regulated voltage supplied by the control module.
Signal	The control module input circuit has an internal resistance connected to 8 V.
Low Reference	Grounded through the control module.

Component	Description
K182 Parking Assist Control Module	The assembly has several functions: Front Parking Assist Rear Parking Assist Side Blind Spot Alert
B306A Parking Assist Sensor - Front Left Outer B306B Parking Assist Sensor - Front Left Middle B306C Parking Assist Sensor - Front Right Middle B306D Parking Assist Sensor - Front Right Outer B306E Parking Assist Sensor - Rear Left Outer B306F Parking Assist Sensor - Rear Left Middle B306G Parking Assist Sensor - Rear Right Middle B306H Parking Assist Sensor - Rear Right Outer B306K Parking Assist Sensor - Side Left Front B306L Parking Assist Sensor - Side Right Front	The sensors can send and receive ultrasonic sounds. First a short sound is emitted. If there is an obstacle in front of the sensor, the obstacle will reflect the sound back to the sensor. The time difference between sending and receiving is the measure for the distance to the obstacle.

Component

Description

K182 Parking Assist Control Module

The assembly has several functions:
Front Parking Assist
Rear Parking Assist
Side Blind Spot Alert

B306A Parking Assist Sensor - Front Left Outer
B306B Parking Assist Sensor - Front Left Middle
B306C Parking Assist Sensor - Front Right Middle
B306D Parking Assist Sensor - Front Right Outer
B306E Parking Assist Sensor - Rear Left Outer
B306F Parking Assist Sensor - Rear Left Middle
B306G Parking Assist Sensor - Rear Right Middle
B306H Parking Assist Sensor - Rear Right Outer
B306K Parking Assist Sensor - Side Left Front
B306L Parking Assist Sensor - Side Right Front

The sensors can send and receive ultrasonic sounds. First a short sound is emitted. If there is an obstacle in front of the sensor, the obstacle will reflect the sound back to the sensor. The time difference between sending and receiving is the measure for the distance to the obstacle.