OBDII Adapter Cable Installation Procedure🔗
The following steps outline the recommended procedures for utilizing your OBDII Adapter Cable.
Required Tools/Items🔗
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MPVI4
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12v Battery
Installation Procedure🔗
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Connect the positive and negative alligator clips to the marine applications 12v battery.
Caution
- To reduce the risk of sparks or electrical damage, always connect the positive (+/red) terminal first.
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Connect your outboard pin connector to your marine applications ECM connector.
Caution
- Ensure power to your marine applications ECM is off (e.g., power switch knob or removing key from ignition).
Note
- Refer to your Yamaha Owner's Manual for the exact location of your ECM connector.
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Connect your MPVI4 to the OBDII adapter cable.

Note
- The above image is referencing the Yamaha outboard 44 pin connector, style 2.
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Mount the 2 amp fuse away from any and all moving objects.
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Using a USB-C cable, connect your laptop to your MPVI4 device.
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Download and connect to VCM Suite and begin tuning!
Note
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Download VCM Suite HERE.
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Refer to VCM Scanner & VCM Editor documentation to help navigate you through both softwares.
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