• Terminator resistor failed
Summary of Fault Correction Possibilities
• Check the resistance of CAN P and CAN V. The resistance should be 60 ohms. Correct the wiring problem if present.
B ..........
BaroRange
Fault Type: Horn: Guardian: UFC: Transmission to Helm: Freeze Frame Priority:
Nonsticky None 100% 407‑17 No 2
Explanation
The manifold absolute pressure (MAP) sensor does not appear to be working properly.
Possible Causes
• Restricted MAP sensor hose
• Wiring problem
• Defective MAP sensor
Summary of Fault Correction Possibilities
• Inspect the MAP sensor hose for restrictions.
• Inspect the MAP sensor wiring.
• Replace the MAP sensor.
C ..........
Camshaft_Encoder_Fault
Fault Type:
Horn: Guardian: UFC: Transmission to Helm: Freeze Frame Priority:
Sticky Caution 100% 1051‑23 Yes 2
Explanation
The camshaft position sensor does not appear to be working properly.
Possible Causes
• Wiring problem
• Mechanical timing problem
• Metallic debris on sensor magnet
• Sensor target damage
• Defective sensor
Summary of Fault Correction Possibilities
• Check the wiring.
• Check the mechanical timing.
• Check the sensor for metallic debris.
• Check the sensor target for damage.
• Replace the sensor.
Crosscheck_Failed
Fault Type:
Horn: Guardian: UFC: Transmission to Helm: Freeze Frame Priority:
Nonsticky Critical 5% 4014‑6 Yes 2
Fault Codes
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 4A-9
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