1998-2005 2 & 3 Cylinder Carb 4-Cycle
Page 44
Engines equipped with this ECM type do not have battery power available from
the engine diagnostic connector, as a result a second intermediate adapter must
be used to provide battery power to the scan tool. To connect use the following
steps:
1) Locate the engine’s 4-pin diagnostic link connector (DLC).
2) Plug adapter #94011 into the engines DLC. e #94037 In-Line Power
Adapter must then be inserted between the #94011 adapter and the scan tool’s
round 6-pin DIN connector.
Aer the connections are made, attach the #94037 adapter’s Red and Black
power wires to a suitable 12 vdc power source. Attach the Red clip to +12vdc
and the Black clip to the power source ground. ese connections are neces-
sary in order to provide power to the scan tool.
3) Once connected, start the engine. is is a requirement since the ECM will
not be powered unless the engine is running.
4) Aer the scan tool displays its initial opening messages use the ▲ and ▼
keys to display the “Mercury Outboards” operating mode from the main
menu then press the YES key to select it. Next, select “1999-05 Small 4 Cyc”.
Aer selecting the “1999-05 Small 4 Cyc” system the scan tool will automatically
provide the ECM’s soware revision number and model number. Next, select
“ECM Data” to begin reading information from the ECM. Use the ▲ and ▼
keys to scroll through the available engine data and sensor status information.
Disconnecting the Scan Tool
Be sure the engine’s ignition switch is in the OFF position before disconnecting
the scan tool or in-line power adapter. Disconnect the #94037 adapter’s Red and
Black alligator clips from the 12vdc power source then remove the #94011 adapt-
er from the engine’s diagnostic link connector (DLC).
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