Engine Control Unit (ECU) Diagnostic Trouble Codes
003250.03 — DPF Intermediate Temperature Sensor Fault (High Voltage) (P1434) (00CB2-03)
See Diagnostic Trouble Code (P1434) in Yanmar 4TNV88C Engine Troubleshooting Manual for more information.
Exhaust temperature sensor 1 DPF (B49) voltage 4.8 V or higher.
• System Alarm Displays: E:1100 and W:1104 • Engine Operation: Engine runs restricting fast idle speed or engine power.
• DTC/Malfunction Condition Resets: Yes, when power to engine control unit (ECU) is turned off.
JA66566,0002DE8 -19-07AUG14-1/1
003250.04 — DPF Intermediate Temperature Sensor Fault (Low Voltage) (P1435) (00CB2-04)
See Diagnostic Trouble Code (P1435) in Yanmar 4TNV88C Engine Troubleshooting Manual for more information.
Exhaust temperature sensor 1 DPF (B49) voltage 0.2 V or lower.
• System Alarm Displays: E:1100 and W:1104 • Engine Operation: Engine runs restricting fast idle speed or engine power.
• DTC/Malfunction Condition Resets: Yes, when power to engine control unit (ECU) is turned off.
JA66566,0002DE9 -19-07AUG14-1/1
003251.00 — DPF Differential Pressure Sensor Differential Pressure Abnormal High (P2452) (00CB3-00)
See Diagnostic Trouble Code (P2452) in Yanmar 4TNV88C Engine Troubleshooting Manual for more information.
Exhaust differential pressure sensor (B48) is reading 50 kPa (7.3 psi) or higher.
• System Alarm Displays: E:1100 and W:1100 • Engine Operation: Engine runs restricting fast idle speed or engine power.
• DTC/Malfunction Condition Resets: Yes, when power to engine control unit (ECU) is turned off.
JA66566,0002DEA -19-19JUL13-1/1
003251.03 — DPF Differential Pressure Sensor Fault (High Voltage) (P2455) (00CB3-03)
See Diagnostic Trouble Code (P2455) in Yanmar 4TNV88C Engine Troubleshooting Manual for more information.
Exhaust differential pressure sensor (B48) voltage 4.8 V or higher.
• System Alarm Displays: E:1100 and W:1105 • Engine Operation: Engine runs restricting fast idle speed or engine power.
• DTC/Malfunction Condition Resets: Yes, when power to engine control unit (ECU) is turned off.
JA66566,0002DEB -19-19JUL13-1/1
003251.04 — DPF Differential Pressure Sensor Fault (Low Voltage) (P2454) (00CB3-04)
See Diagnostic Trouble Code (P2454) in Yanmar 4TNV88C Engine Troubleshooting Manual for more information.
Exhaust differential pressure sensor (B48) voltage 0.2 V or lower.
• System Alarm Displays: E:1100 and W:1105 • Engine Operation: Engine runs restricting fast idle speed or engine power.
• DTC/Malfunction Condition Resets: Yes, when power to engine control unit (ECU) is turned off.
JA66566,0002DEC -19-19JUL13-1/1
TM12885 (05JUN19)
9001-10-18
50G Excavator 060519 PN=46