Closed Loop (Dtc 1151 To 1156) - Kubota WG1605-E3 Diagnostic Manual

WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, DM

(20) Closed Loop (DTC 1151 to 1156)

DTC 1151-Closed Loop High (LPG)
DTC 1153-Closed Loop High (NG)
DTC 1155-Closed Loop Bank 1 High (Gasoline)
• Hardware: Heated or Universal Exhaust Gas Oxygen Sensor (Bank 1-Sensor 1/Bank 1-Before Catalyst)
• Enabling Conditions: Engine Running in closed loop
• Set Conditions: Closed Loop fuel multiplier higher than 35 % for longer than 5 updates
• Corrective Action(s): Illuminate MIL
• Emissions related fault
DTC 1152-Closed Loop Low (LPG)
DTC 1154-Closed Loop Low (NG)
DTC 1156-Closed Loop Bank 1 Low (Gasoline)
• Hardware: Heated or Universal Exhaust Gas Oxygen Sensor (Bank 1-Sensor 1/Bank 1-Before Catalyst)
• Enabling Conditions: Engine Running in closed loop
• Set Conditions: Closed Loop fuel multiplier lower than 35 % for longer than 5 updates
• Corrective Action(s): Illuminate MIL
• Emissions related fault
1-212
ECM SYSTEM
KiSC issued 12, 2016 A