Chevrolet Trax: Object Detection and Pedestrian Protection - Description and operation
OBJECT DETECTION DESCRIPTION AND OPERATION (REARVISION CAMERA, UVC)
Rear Vision Camera System Operation
The rear vision camera system consists of a video camera located at the rear of the vehicle and the navigation radio.
When the transmission is placed into REVERSE, a 12 volt signal is sent to the rear vision camera by the body control module (BCM). This signal indicates to the camera that the vehicle is in reverse and image display is requested. The rear vision camera receives ignition voltage and a constant ground to power the camera. Video signal + and video signal - circuits carry the video image from the rear vision camera to the navigation radio.
Additionally, the video signal circuits are shielded to prevent any interference which may lead to a loss of video signal resolution and a degraded video image. The shield is provided a ground path by the rear vision camera.
The following conditions may cause a degraded rear vision camera image:
- Ice, snow, or mud has built up on the rear vision camera
- Dark conditions
- Extreme light conditions, such as glare from the sun or the headlights of another vehicle
- Damage to the rear of the vehicle
- Extreme high temperatures or extreme temperature changes
If a malfunction is detected in the system, Service Rear Vision Camera may be displayed on the navigation radio as an indicator to the customer that a problem exists that requires service.
- Object detection description and operation (rear park assist, UD7)
- Object detection description and operation (side blind zone alert, UFT)
- Object detection description and operation (rear cross traffic alert, UFG)
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Side Blind Alert Block Diagram
Fig. 20: Side Blind Alert Block Diagram
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Object detection description and operation (rear cross traffic alert, UFG)
Rear Cross Traffic Alert Block Diagram
Fig. 21: Rear Cross Traffic Alert Block Diagram
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DTC B0052: Deployment commanded
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using the
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
DT
Fuel feed pipe replacement (engine to tank)
Removal Procedure
WARNING: Gasoline or gasoline vapors are highly flammable. A fire
could occur
if an ignition source is present. Never drain or store gasoline or
diesel fuel in an open container, due to the possibility of fire or
explosion. Have a dry chemical (Class B) fire extinguisher nearby.
