Table 29: Yanmar Engine Diagnostic Trouble Codes (DTC) DTC FMI 3 5 6 11 3 5 6 11 4 2 3 4 0 2 3 4 2 3 4 13 3 4
P-Code P1265 P0202 P0265 P1266 P1262 P0201 P0262 P1263 P0340 P1644 P0643 P0642 P0634 P1664 P0669 P0668 U423 P0473 P0472 P0471 P1203 P1202
Part Injector 2 (Cylinder Number 2) Injector 2 (Cylinder Number 2) Injector 2 (Cylinder Number 2) Injector 2 (Cylinder Number 2) Injector 3 (Cylinder Number 1) Injector 3 (Cylinder Number 1) Injector 3 (Cylinder Number 1) Injector 3 (Cylinder Number 1) Fuel Injection Pump Speed Sensor Sensor 5V Sensor 5V Sensor 5V ECU Internal Temperature ECU Internal Temperature Sensor ECU Internal Temperature Sensor ECU Internal Temperature Sensor Immobilizer EGR High Pressure Side Sensor EGR High Pressure Side Sensor EGR High Pressure Side Sensor Engine Fuel Rack Position Sensor Engine Fuel Rack Position Sensor
2
P068A
Main Relay
4 7 0 1 7 9 12
P0686 P068B P0404 P1404 P1409 U0401 P0403
ECU Main Relay Main Relay EGR Valve EGR Valve EGR Valve EGR Valve EGR Valve
2797
6
P1146
Injector (Common)
2798
6
P1149
Injector (Common)
2950
3 4 5 6
P1658 P1659 P0660 P1660
Intake Throttle Drive Circuit Intake Throttle Drive Circuit Intake Throttle Drive Circuit Intake Throttle Drive Circuit
3
P1661
Intake Throttle Drive Circuit
4 0 3 4
P1662 P1436 P1428 P1427
Intake Throttle Drive Circuit DPF Inlet Temperature Sensor DPF Inlet Temperature Sensor DPF Inlet Temperature Sensor
0
P1426
DPF Intermediate Temperature Sensor
1
P0420
DPF Intermediate Temperature Sensor
3 4
P1434 P1435
DPF Intermediate Temperature Sensor DPF Intermediate Temperature Sensor
SPN 653
654 1078 1079
1136 1202 1209 1210
1485
2791
2951
3242
3250
110
Error Item State Injector 2 short-circuit Injector 2 open circuit (inherent location of the injector) Injector 2 coil short-circuit Injector 2 unclassified Injector 3 short-circuit Injector 3 open circuit (inherent location of the injector) Injector 3 coil short-circuit Injector 3 unclassified Shorted to low source Intermittent fault Shorted to high source Shorted to low source Too high Intermittent fault Shorted to high source Shorted to low source System fault EGR low pressure side sensor fault (high voltage) EGR low pressure side sensor fault (low voltage) Abnormal learning value Shorted to high source Shorted to low source Power off without main relay self-holding / Main relay early opening Shorted to low source Main relay contact stuck EGR over-voltage malfunction EGR low voltage malfunction EGR feedback malfunction EGR ECM data fault Open circuit between the EGR motor coils Injector drive circuit (bank 1) short-circuit (common circuit for number 1, number 4) Injector drive circuit (bank 2) short-circuit (common circuit for number 2, number 3) Power short-circuit of throttle valve drive H bridge output 1 GND short-circuit of throttle valve drive H bridge output 1 No-load of throttle valve drive H bridge circuit Overload on the drive H bridge circuit of the throttle valve VB power short-circuit of throttle valve drive H bridge output 2 GND short-circuit of throttle valve drive H bridge output 2 DPF inlet temperature sensor temperature abnormally high DPF inlet temperature sensor fault (high voltage) DPF inlet temperature sensor fault (low voltage) DPF intermediate temperature sensor temperature abnormally high (post-injection failure) DPF intermediate temperature sensor temperature abnormally low DPF intermediate temperature sensor fault (high voltage) DPF intermediate temperature sensor fault (low voltage)
50950503/E0521
