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Power Generating/Charging Circuit ................................................................................................................ 62-21
Alternator .................................................................................................................................................. 62-21
ECM (Engine Controller) ................................................................................................................................. 62-22
Function of ECM ....................................................................................................................................... 62-22
Connection diagram .................................................................................................................................. 62-22
Monitor lamp test ...................................................................................................................................... 62-23
Failure diagnosis ....................................................................................................................................... 62-24
Quantum fault code information ................................................................................................................ 62-29
Power mode change ................................................................................................................................. 62-36
Accelerator pedal ...................................................................................................................................... 62-37
Accelerator pedal ...................................................................................................................................... 62-39
Transmission Control Circuit (S/N 0101~0153, 9001~) .................................................................................. 62-41
Controller .................................................................................................................................................. 62-41
Controller connection diagram .................................................................................................................. 62-43
Controller function ..................................................................................................................................... 62-44
Monitor controller ...................................................................................................................................... 62-61
Transmission Control Circuit (S/N 0154~) ...................................................................................................... 62-62
Machine control unit (MCU) ...................................................................................................................... 62-62
Machine control unit (MCU) connection diagram ...................................................................................... 62-64
Monitor Circuit ................................................................................................................................................. 62-66
Monitor controller (S/N 0101~0153, 9001~) .............................................................................................. 62-69
Monitoring sensor and switch ................................................................................................................... 62-71
Instrument Panel and Switch .......................................................................................................................... 62-72
Instrument panel ....................................................................................................................................... 62-72
Instrument panel rear surface ................................................................................................................... 62-73
Gauge circuit ............................................................................................................................................. 62-74
Fuel gauge circuit ...................................................................................................................................... 62-75
Tachometer circuit ..................................................................................................................................... 62-76
Electrical Detent Circuit ................................................................................................................................... 62-77
Bucket leveler ........................................................................................................................................... 62-77
Boom kick-out (option) .............................................................................................................................. 62-78
Detent solenoid ......................................................................................................................................... 62-79
Diode ............................................................................................................................................................... 62-80
Diode check method ................................................................................................................................. 62-81
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