5923 Mercruiser CAMSHAFT

Cross-Reference Information for Diagnostic Codes
Table 1 is a list of the diagnostic codes for the engine. The diagnostic codes are cross-referenced with the appropriate procedure that can be used to troubleshoot the code.Further explanations of diagnostic codes are explained after Table 1.
Table 1
Cross-Reference from Diagnostic Trouble Codes to Functional Test or Procedure
J1939 Code and Description Troubleshooting Procedure
29-3
Accelerator Pedal Position #2 : Voltage Above Normal Troubleshooting, "Speed Control - Test"
29-4
Accelerator Pedal Position #2 : Voltage Below Normal Troubleshooting, "Speed Control - Test"
51-9
Engine Throttle Position : Abnormal Update Rate Troubleshooting, "Data Link - Test"
91-3
Accelerator Pedal Position #1 : Voltage Above Normal Troubleshooting, "Speed Control - Test"
91-4
Accelerator Pedal Position #1 : Voltage Below Normal Troubleshooting, "Speed Control - Test"
100-3
Engine Oil Pressure : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
100-4
Engine Oil Pressure : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
100-13
Engine Oil Pressure : Out of Calibration Troubleshooting, "Sensor Calibration Required - Test"
101-3
Engine Crankcase Pressure : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
101-4
Engine Crankcase Pressure : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
105-3
Engine Intake Manifold #1 Temperature : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
105-4
Engine Intake Manifold #1 Temperature : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
107-3
Engine Air Filter 1 Differential Pressure : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
107-4
Engine Air Filter 1 Differential Pressure : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
108-3
Barometric Pressure : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
108-4
Barometric Pressure : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
109-3
Engine Coolant Pressure : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
109-4
Engine Coolant Pressure : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
110-3
Engine Coolant Temperature : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
110-4
Engine Coolant Temperature : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
158-2
Keyswitch Battery Potential : Erratic, Intermittent, or Incorrect Troubleshooting, "Electrical Power Supply - Test"
168-3
Battery Potential / Power Input #1 : Voltage Above Normal Troubleshooting, "Electrical Power Supply - Test"
168-4
Battery Potential / Power Input #1 : Voltage Below Normal Troubleshooting, "Electrical Power Supply - Test"
171-3
Ambient Air Temperature : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
171-4
Ambient Air Temperature : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
173-9
Engine Exhaust Gas Temperature : Abnormal Update Rate Troubleshooting, "Data Link - Test"
175-3
Engine Oil Temperature 1 : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
175-4
Engine Oil Temperature 1 : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
190-8
Engine Speed Sensor : Abnormal Frequency, Pulse Width, or Period Troubleshooting, "Speed/Timing - Test"
234-2
Software Identification : Erratic, Intermittent, or Incorrect Troubleshooting, "ECM Software - Install"
234-14
Software Identification : Special Instruction Troubleshooting, "Data Link Configuration Status - Test"
631-2
Calibration Module : Erratic, Intermittent, or Incorrect Troubleshooting, "ECM Software - Install"
632-5
Engine Fuel Shutoff Valve #1 : Current Below Normal Troubleshooting, "Solenoid Valve - Test"
632-6
Engine Fuel Shutoff Valve #1 : Current Above Normal Troubleshooting, "Solenoid Valve - Test"
632-7
Engine Fuel Shutoff Valve #1 : Not Responding Properly Troubleshooting, "Fuel Shutoff - Test"
633-8
Engine Fuel Actuator 1 Control Command : Abnormal Frequency, Pulse Width, or Period Troubleshooting, "Fuel Metering Valve - Test (TecJet Valve)"
633-13
Engine Fuel Actuator 1 Control Command : Out of Calibration Troubleshooting, "Fuel Metering Valve - Test (TecJet Valve)"
637-11
Engine Timing Sensor : Other Failure Mode Troubleshooting, "Speed/Timing - Test"
677-5
Engine Starter Motor Relay : Current Below Normal Troubleshooting, "Solenoid Valve - Test"
677-6
Engine Starter Motor Relay : Current Above Normal Troubleshooting, "Solenoid Valve - Test"
678-3
ECU 8 Volts DC Supply : Voltage Above Normal Troubleshooting, "Sensor Supply - Test"
678-4
ECU 8 Volts DC Supply : Voltage Below Normal Troubleshooting, "Sensor Supply - Test"
723-8
Engine Speed Sensor #2 : Abnormal Frequency, Pulse Width, or Period Troubleshooting, "Speed/Timing - Test"
723-19
Engine Speed Sensor #2 : Data Error Troubleshooting, "Speed/Timing - Test"
898-9
Engine Requested Speed/Speed Limit : Abnormal Update Rate Troubleshooting, "Data Link - Test"
974-5
Remote Accelerator Pedal Position : Current Below Normal Troubleshooting, "Speed Control - Test"
974-6
Remote Accelerator Pedal Position : Current Above Normal Troubleshooting, "Speed Control - Test"
1137-3
Engine Exhaust Gas Port 1 Temperature : Voltage Above Normal Troubleshooting, "Exhaust Temperature - Test"
1137-4
Engine Exhaust Gas Port 1 Temperature : Voltage Below Normal Troubleshooting, "Exhaust Temperature - Test"
1138-3
Engine Exhaust Gas Port 2 Temperature : Voltage Above Normal Troubleshooting, "Exhaust Temperature - Test"
1138-4
Engine Exhaust Gas Port 2 Temperature : Voltage Below Normal Troubleshooting, "Exhaust Temperature - Test"
1139-3
Engine Exhaust Gas Port 3 Temperature : Voltage Above Normal Troubleshooting, "Exhaust Temperature - Test"
1139-4
Engine Exhaust Gas Port 3 Temperature : Voltage Below Normal Troubleshooting, "Exhaust Temperature - Test"
1140-3
Engine Exhaust Gas Port 4 Temperature : Voltage Above Normal Troubleshooting, "Exhaust Temperature - Test"
1140-4
Engine Exhaust Gas Port 4 Temperature : Voltage Below Normal Troubleshooting, "Exhaust Temperature - Test"
1141-3
Engine Exhaust Gas Port 5 Temperature : Voltage Above Normal Troubleshooting, "Exhaust Temperature - Test"
1141-4
Engine Exhaust Gas Port 5 Temperature : Voltage Below Normal Troubleshooting, "Exhaust Tempe