4-6
Image Display Cameras
Description and Operation
Rear Vision Camera Description and
Operation (with IOB/IOR/IO3)
Rear Vision Camera System Operation
The rear vision camera system consists of a video
camera located at the rear of the vehicle and the Rado.
When the transmission is placed into REVERSE, a
signal indicates to the Radio 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 and video signal
–
circuits carry the video image from the rear vision
camera to the 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 Info Display
Module as an indicator to the customer that a problem
exists that requires service.
Rear Vision Camera Description and
Operation (with IO5/IO6)
Rear Vision Camera System Operation
The rear vision camera system consists of a video
camera located at the rear of the vehicle and the
Human Machine Interface Control Module.
When the transmission is placed into REVERSE, a
signal indicates to the Human Machine Interface
Control Module 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 and video signal
–
circuits carry
the video image from the rear vision camera to the
Human Machine Interface Control Module. 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 Info Display
Module as an indicator to the customer that a problem
exists that requires service.
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual
