Yanmar BY Series Service Manual page 246

TROUBLESHOOTING
Code Part or System
P0236 Boost Pressure
Boost Pressure
P0237
Boost Pressure Sensor
Boost Pressure
P0238
Boost Pressure Sensor
Turbocharger Positive
P0243
Boost Pressure Deviation
P0261 Injector No. 1
P0264 Injector No. 2
P0267 Injector No. 3
P0270 Injector No. 4
P0273 Injector No. 5
P0276 Injector No. 6
Turbocharger negative
P0299
boost pressure deviation
P0344 Crankshaft Speed Sensor
Glow Control Relay
P0380
Actuator
P0562 System Voltage Low
P0563 System Voltage High
Control Module
Programming Error
P0602
(Hwemon)
Shut Off Path
P0607 Injector Chip Fault
P0642 Sensor Supply Monitoring 1
P0643 Sensor Supply Monitoring 1
P0650 Check Engine Lamp
P0652 Sensor Supply Monitoring 2
P0653 Sensor Supply Monitoring 3
P0670 Glow Plug Control Module
Glow System - Glow Spark
P0671
No. 1
Glow System - Glow Spark
P0672
No. 2
Glow System - Glow Spark
P0673
No. 3
Glow System - Glow Spark
P0674
No. 4
13-12
Mode
Plausibility check with APS (ambient air pressure
sensor) fail
Under 0.5 bar (7.3 psi) (absolute)
No connection / short circuit to Ground
4 bar (58.0 psi) (absolute)
Short circuit to B+
Leakage in the air routing (hole in the charge air
pipe)
Short circuit to B+
Short circuit to B+
Short circuit to B+
Short circuit to B+
Short circuit to B+
Short circuit to B+
Boost pressure actuator is sticking defect waste
gate hose
Disagreement between camshaft speed sensor and
crankshaft speed sensor
Not connected, short circuit
-
-
Overvoltage / undervoltage
Control module programming error
Injector control module performance
Short circuit
Short circuit
Not connected, short circuit
Short circuit
Short circuit
Failure, short circuit, over-current
Not connected, short circuit
Not connected, short circuit
Not connected, short circuit
Not connected, short circuit
© 2009 Yanmar Marine International
Trouble Codes
Run Or
Engine
Conditi
Can Start
on
reduce yes
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yes yes
no no
yes yes
yes no
yes yes
no no
no no
no no
reduce yes
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yes yes
reduce yes
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yes yes
yes yes
yes yes
yes yes
yes yes
BY Service Manual
Check
Engine
Alarm
alarm
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alarm
alarm
alarm
alarm
alarm
alarm
alarm