Komatsu SAA6D140E-3 - Error Code [E-8 B] [Short Circuit in No. 4, No. 5, No. 6 Fuel Injector System]

12-258
140-3 SERIES
TROUBLESHOOTING E-36
E-36 Error code [E-8b] [Short circuit in No. 4, No. 5, No. 6 fuel injector system]
A high voltage (110 – 130 V) is used in the electrical circuit for the fuel injector, so be careful of electrocution
or electric leakage. For details, see TESTING AND ADJUSTING, Handling controller high voltage circuit.
a) Determining location of problem
Table 1
CN6 (female) CN6 (female) CN6 (female) Resistance value
Between (3) and (9) Between (1) and (7) Between (2) and (8) 0.4 – 1.1 Ω
Between (3)(9) and ground Between (1)(7) and ground Between (2)(8) and ground Min. 1 MΩ