Error Code [E-74] [Disconnection In Fuel Supply Pump Pcv1 System] - Komatsu 140-3 Series Shop Manual

TROUBLESHOOTING E-22
E-22 Error code [E-74] [Disconnection in fuel supply pump PCV1 system]
Table 1
CN7 (male) Resistance value
2.3 – 5.3 Ω
Between (10) and (11)
Between (1)(2) and ground Min. 1 MΩ
E-22 Related electrical circuit diagram
12-242
140-3 SERIES