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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Image Display Camera System) >> Diagnostic Information And Procedures >> Rear Vision Camera System Malfunction (IO5/IO6 Without MAH/MBC) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Ignition voltage and ground are supplied to the Rearview Camera. When the transmission is placed into R, a signal is sent to the K74 Human Machine Interface Control Module indicating that camera operation is requested. The Rearview Camera sends video image to the K74 Human Machine Interface Control Module through a video signal + and a video signal - circuit. The K74 Human Machine Interface Control Module then sends the video signal via digital LVDS circuits (USB cable) to the P17 Info Display Module to be displayed.

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