Version 05.02.2013
P
age
7
2.3.
Installation procedure – function check
Follow the below procedure using the “Connections” scheme from chapter 2.2. as reference.
Before the installation of the sources and the interface we recommend a first quick
connection of the interface and test run to ensure that vehicle and product are compatible.
Due to changes in production of the vehicle manufacturer there is always the possibility of
incompatibility.
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Switch off ignition and disconnect vehicle’s battery
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Remove vehicle monitor
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Remove vehicle flex cable from the flex cable socket of the monitor panel
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Plug in external daughter PCB between flex cable and flex cable socket of the monitor
panel
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Connect external daughter PCB to the video interface
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Connect 4pin GMLAN box cable to the GMLAN of the female OBD connector and
+12V permanent positive to the fuse block
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Connect 4pin GMLAN-box to GMLAN of the head-unit’s connector and to battery (see
2.2.)
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Plug 4pin cable into the GMLAN box
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Connect female 8pin connector of the 5pin cable to the GMLAN box
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Connect female 6pin connector of the 5pin cable to the video interface
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Plug keypad into “Switch” connector. Even if the keypad shall not be used, its
installation (e.g. in a hidden spot) is recommended for support reasons
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If audio insertion shall be used, connect it according to chapter 2.5.
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If 2 audio sources shall be used, connect it according to chapter 2.6.
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Reconnect battery and turn on ignition
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Check LEDs on GMLAN box and video interface, one on each must be on
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Try to activate video sources by keypad (see chapter 3.1.), using a test picture source
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If camera is (to be) connected try to engage reverse gear with test picture source
connected
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If 2 audio sources shall be used, connect the audio wires and check the audio
function
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ONLY after positive function check proceed with final installation of the video
sources!
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After installation and connection of the real video source(s), adjust picture settings
(see chapter 2.4.)
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