899883192 - Valiant
899883192 - Valiant
899883192 - Valiant
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Section 2 - Getting to Know Your Power Package<br />
If a severe fault is detected, the audio warning system will sound for six seconds, turn off<br />
for six seconds, then sound for six more seconds.<br />
ON<br />
ON<br />
a<br />
6 6 6<br />
OFF<br />
b<br />
a - Horn (on or off)<br />
b - Time (in seconds)<br />
33403<br />
Below are some examples of a severe fault:<br />
• Transmission fluid temperature is too hot<br />
• Engine oil pressure is too low<br />
• Engine temperature is too hot<br />
• Seawater pressure is too low<br />
• Transmission pressure is low<br />
OBDM<br />
If an OBDM fault is detected, the audio warning system sound with one five‐second horn,<br />
then one short, 1/2‐second horn every 60 seconds for certain faults related to the emissions<br />
or fuel system. See your authorized Mercury MerCruiser dealer for assistance.<br />
ON<br />
ON ON ON<br />
a<br />
5 60 60 60<br />
½ ½ ½<br />
OFF<br />
a - Horn (on or off)<br />
b - Time (in seconds)<br />
b<br />
OFF<br />
OFF<br />
33404<br />
Testing The Audio Warning System<br />
1. Turn the ignition switch to the "ON" position without cranking the engine.<br />
2. Listen for the audio alarm. The alarm will sound if the system is functioning correctly.<br />
Guardian Strategy<br />
Engine Guardian reduces the potential for engine damage by restricting engine power<br />
when the PCM detects a potential problem. Below are some examples of what Engine<br />
Guardian monitors:<br />
• Oil pressure<br />
• Engine overspeed<br />
• Exhaust manifold temperature<br />
IMPORTANT: Guardian can reduce power anywhere from 100% to idle, depending on the<br />
severity of the problem. If forced to idle, boat speed might not respond to throttle operation.<br />
The PCM stores the fault for diagnostics. For example, if the water inlet becomes partially<br />
blocked, Guardian reduces the available power level of the engine to help prevent damage<br />
from decreased water flow to the engine. If the debris passes through, and full water flow<br />
is restored, Guardian restores engine power to normal. To avoid recurrence of the problem,<br />
contact an authorized Mercury MerCruiser dealer.<br />
90-<strong>899883192</strong> NOVEMBER 2008 Page 41