MerCruiser 3.0 MPI - Caution; Severe

Section 2 - Getting to Know Your Power Package
90-899883272 MARCH 2008 Page 31
• Onboard Diagnostic Marine (OBDM) fault
Caution
If a caution is detected, the audio warning system will sound for six one‑second intervals.
ON ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
1
1
1
1
1
1
1
1
1
1
1
OFF
33402
a
b
a - Horn (on or off)
b - Time (in seconds)
Below are some examples of a caution fault:
• Transmission fluid temperature is too hot
• Drive oil is low
• Sensor failure
Severe
IMPORTANT: If you experience a severe fault, contact your authorized Mercury
MerCruiser dealer.
If a severe fault is detected, the audio warning system will sound for six seconds, turn off
for six seconds, then sound for six more seconds.
33403
a
ONON
6 6 6
OFF
b
a - Horn (on or off)
b - Time (in seconds)
Below are some examples of a severe fault:
• Engine oil pressure is too low
• Engine temperature is too hot
• Seawater pressure is too low
• Transmission pressure is low (select models)