The service engine icon or MIL will provide a visual indication of a malfunction with the engine's emission control system and
will remain illuminated while the OBD‑M fault is active.
SC 1000 gauge and service engine light
Testing the OBD-M Malfunction Indicator Lamp (MIL)
1. Turn the ignition switch to the on position without cranking the engine.
2. The service engine icon and MIL will remain illuminated for four seconds if the visual indication system is functioning
correctly.
Audio Warning System
IMPORTANT: The audio warning system alerts the operator that a problem has occurred. It does not protect the engine from
damage.
Most faults cause the warning horn circuit to activate. How the warning horn activates depends on the severity of the problem.
There are two warning horn states:
• Caution
• Critical
There is also an alarm that sounds if the helm has not been properly configured using the G3 service tool.
Caution
If a caution state is detected, the audio warning system will sound for six one‑second intervals.
a - Horn (on or off)
b - Time (in seconds)
Critical
If a critical state is detected, the audio warning system sounds for six seconds and then turns off.
a - Horn (on or off)
b - Time (in seconds)
Nonconfigured Alarm–DTS Only
If the helm has not been properly configured using the G3 service tool, the audio warning system will sound for five one‑second
intervals.
a -
Horn (on or off)
b - Time (in seconds)
ON ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
1
1
1
1
1
1
1
1
1
1
1
OFF
33402
ON ON
OFF
ON
OFF
ON
OFF
ON
OFF
1
1
1
1
1
1
1
1
1
OFF
53402
Section 1 - Getting to Know Your Power Package
Page 20 90-8M0128973 eng MAY 2017
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