Komatsu PC58UU-3 - Page 352

20-336 PC58UU-3
TROUBLESHOOTING
Table 1
E-18 Related electrical circuit diagram
Connector Contents of operation Voltage Condition
Between F22 (1) – chassis
Accelerate engine. 10 – 16V
Turn starting switch ON.
Insert T-adapter.
Decelerate engine. Max. 1 V
Turn starting switch ON.
Insert T-adapter.
Between F22 (2) – chassis
Turn starting switch ON. 10 – 16V
Turn starting switch ON.
Insert T-adapter.
Turn starting switch OFF. Max. 1 V
Turn starting switch ON.
Insert T-adapter.
Between F22 (3) – chassis
Accelerate engine. 10 – 16V
Turn starting switch ON.
Insert T-adapter.
Decelerate engine. Max. 1 V
Turn starting switch ON.
Insert T-adapter.
Between F22 (4) – chassis
Accelerate engine. Max. 1 V
Turn starting switch ON.
Insert T-adapter.
Decelerate engine. 10 – 16V
Turn starting switch ON.
Insert T-adapter.
Between F22 (5) – chassis
Accelerate engine. 10 – 16V
Turn starting switch ON.
Insert T-adapter.
Decelerate engine. Max. 1 V
Turn starting switch ON.
Insert T-adapter.
Between F22 (6) – chassis
Accelerate engine. Max. 1 V
Turn starting switch ON.
Insert T-adapter.
Decelerate engine. 10 – 16V
Turn starting switch ON.
Insert T-adapter.
E-18
(6)