© Yanmar 2008 Page 21
Electronic Control System:
Operation Manual for SY Series Engines with GEN III Controls
Fuses
There is a fuse on the back of both the lower station and upper Station Ignition Switch Panels. It is a 5 amp fuse,
designation AGC 5A. There are ve circuit breakers inside the i8350/55 Engine Interface. See image on page
14 for details.
Appendix D
Appendix E
Diagnostic Trouble Code Descriptions
NOTE: On the digital display the DTC “Y” code will be shown along with additional information for that code.
This information will further dene the fault. Please make note of all the information details with the Y code
before notifying your Yanmar service technician.
Y-Value Text Message
Y0011 OVERREVING
Y0012 SPEED SENSOR 1
Y0013 SPEED SENSOR 2
Y0014 WATER TEMPERATURE SENSOR
Y0015 CHARGE AIR TEMPERATURE SENSOR
Y0016 CHARGE AIR PRESSURE SENSOR
Y0018 OIL PRESSURE SENSOR
Y0023 FAULT IN i8350 MODULE
Y0025 THROTTLE FAULT
Y0027 EMERGENCY STOP OVERRIDE
Y0028 OIL PRESSURE SHUT OFF
Y0031 OIL PRESSURE PROTECTION
Y0033 BATTERY VOLTAGE
Y0037 EMERGENCY STOP - i8350 MODULE
Y0043 CAN - CIRCUIT DEFECT
Y0046 OVERREVING, EXHAUST BRAKING
Y0048 CAN MESSAGE FROM i8350 (DLN1)
Y0049 WRONG CAN VERSION
Y0051 UNIT INJECTOR CYLINDER 1
Y0052 UNIT INJECTOR CYLINDER 2
Y0053 UNIT INJECTOR CYLINDER 3
Y0054 UNIT INJECTOR CYLINDER 4
Y0055 UNIT INJECTOR CYLINDER 5
Y0056 UNIT INJECTOR CYLINDER 6
continued on next page
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