MerCruiser / Mercury Racing PCM-09
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Figure 20 MerCruiser / Mercury Racing PCM-09 Module
MerCruiser introduced the PCM-09 ECM module on their 2009 model year
engine’s equipped with catalytic converters (ECT). ECT engines were initially
released in California and are designed to meet OBD-M emission requirements.
As a result of nationwide EPA requirements in 2010 the PCM-09 system is now
used on MerCruiser ECT engines sold in all 50 states. Export models use this
control system on both engines with and without ECT technology. The PCM-09
module is also used on late model engines produced by Mercury Racing.
Diagnostic Connections
Depending on the engine type two diagnostic connection methods may be
available on PCM-09 systems as detailed below.
Engine Type
Connection Methods Available
• MerCruiser ECT engines: OBD-M and Mercury CAN
• MerCruiser non-ECT engines: Mercury CAN only
• Mercury Racing engines: Mercury CAN only
CAN Network Adapter
Rinda Tech P/N 94029
6-pin to 10-pin Mercury CAN converter
Rinda Tech P/N 94032
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