ALTERNATOR-YM 5696993 - Caterpillar

Illustration 1 g03034558
Block Diagram of the Electronic Control System (1) Engine Electronic Control Module (ECM) (2) Engine Oil Pressure Sensor (3) Engine Speed Sensor #1 (4) Engine Speed Sensor #2 (5) Engine Oil Level Switch (6) Coolant Temperature Sensor (7) Air Cleaner Pressure Sensor (8) Air Inlet Temperature Sensor (9) Fuel Pressure Sensor (10) Fuel Temperature Sensor (11) User Defined Shutdown Switch (12) Cat Regeneration System (CRS) Switch (13) Suction Fan (Variable Fan Speed) (14) Soot Sensor (15) Machine Electronic Control Module (ECM) (16) Pump 1 Pressure Sensor (17) Pump 2 Pressure Sensor (18) Boom Down Control Pressure Sensor (19) One Touch Low Idle Switch (Right Joystick) (20) Hydraulic Lockout Control Switch (21) STD Implement Pressure Switch (22) Boom Cylinder Rod Pressure Sensor (For Crane) (23) Boom Cylinder Head Pressure Sensor (For Crane) (24) Travel Pressure Switch (25) Left Joystick Switch 2 (26) Right Joystick Switch 2 (27) Left Joystick Thumbwheel Switch (28) Right Joystick Thumbwheel Switch (29) Left Joystick Switch 1 (30) Right Joystick Switch 1 (31) Left Joystick Switch 3 (32) Stick In Control Pressure Sensor (Tool 10, 11) (33) Stick Out Control Pressure Sensor (Tool 10, 11) (35) RH Auxiliary Pedal Control Pressure Sensor (Tool 10, 11) (36) Boom Up Control Pressure Sensor (Tool 10, 11) (37) Stick In Control Pressure Sensor (Tool 21, 22, 25) (38) Implement Pressure Switch (39) Stick Out Control Pressure Sensor (Tool 21, 22, 25) (40) Boom Up Control Pressure Sensor (Tool 21, 22, 25) (41) Power Shift Pressure PRV (42) Boom Regeneration PRV (43) Swing Brake Solenoid (44) Travel Speed Solenoid (45) Hydraulic Lock Solenoid (46) ATCH Stem 1 Extend PRV Solenoid (Tool 10, 11, 20, 21, 25) (47) ATCH Stem 1 Retract PRV Solenoid (Tool 10, 11, 20, 21, 25) (48) NFC 1 Limit Pressure PRV Solenoid (Tool 10, 11, 20, 21, 25) (49) NFC 2 Limit Pressure PRV Solenoid (Tool 10, 11, 20, 21, 25) (50) ATCH Stem 2 Extend PRV Solenoid (Tool 10, 11, 20, 21, 25) (51) ATCH Stem 2 Retract PRV Solenoid (Tool 10, 11, 20, 21, 25) (52) ATCH Stem 3 Extend PRV Solenoid (Medium Circuit) (53) ATCH Stem 3 Retract PRV Solenoid (Medium Circuit) (54) ATCH Line 1 PRV Solenoid (Tool 10, 20, 21, 25) (55) ATCH Line 2 PRV Solenoid (Tool 10, 20, 21, 25) (56) ATCH Stick In PRV Solenoid (Tool 10, 20, 21, 25) (57) ATCH Boom Down PRV Solenoid (Tool 10, 20, 21, 25) (58) Operator Monitor (59) Switch Panel (60) Fuel Level Sensor (61) Hydraulic Oil Temperature Sensor (62) Hydraulic Oil Filter Switch (63) Hydraulic Oil Level Switch (64) Alternator R Terminal (65) ATCH Hydraulic Oil Filter Switch (66) Water Separator Level Switch (67) Fine Swing Control Switch (68) Overload Warning Alarm Enable Switch (69) Quick Coupler Unlock Switch (70) Quick Coupler Bypass Cut Solenoid (71) Fine Swing Solenoid (72) Quick Coupler Unlock Solenoid (73) Travel Alarm HornThe Electronic Control System controls the hydraulic system. Components in the hydraulic system are: the machine ECM, various inputs (switches and