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544 

12V Battery

12V Battery

Battery Relay

Battery

Key Switch

ACC

Fuse 5a

ECM

ECM

Neutral Relay

Park Brake Relay

Fuse 15a
Interlock

Cran

k

Fuse 20a Starter

Neutral Switch

Brake Switch

Starter 

Relay

Starter Lock 

Out Relay

SBF 65a

Fuse 30a

B Pins 

1 25 26 27 28

Ground Pins 

49 50 51 52 73

Summary of Contents for 544

Page 1: ...544 Diagnostic Information...

Page 2: ...nd Service Manual for additional information ALL Work Must be performed by a factory trained technician to prevent injury This manual is not intended to replace the service manual but to assist with a...

Page 3: ...544...

Page 4: ...544 SV544 Operators Manual Scan QR Code to View...

Page 5: ...544...

Page 6: ...544...

Page 7: ...544...

Page 8: ...NOTE For full description and additional troubleshooting please see the engine Diagnostic Manual 544...

Page 9: ...544...

Page 10: ...witch Yes Check connections and replace Battery Relay as needed Yes End diagnosis No Is there power at Terminal 50 Black White wire on the Starter when turned to Crank position No Engage Park Brake Do...

Page 11: ...544 Starter Lockout relay Starter Lockout Fuse 20a Neutral Park Brake Switch Fuse 15a Neutral Safety relay Park Brake relay Battery relay ECM Fuse 5a Neutral Switch Starter relay 30a ECU Fuse...

Page 12: ...tery Key Switch ACC Fuse 5a ECM ECM Neutral Relay Park Brake Relay Fuse 15a Interlock Crank Fuse 20a Starter Neutral Switch Brake Switch Starter Relay Starter Lock Out Relay SBF 65a Fuse 30a Battery P...

Page 13: ...the machine No Add Fuel and Prime using hand pump Yes Is there fuel present at filters No Replace filters as needed or remove fuel restriction repair as needed Yes There fuel present at Fuel Pump No R...

Page 14: ...esent Yes Repair or Replace switch as needed Pump Neutral Relay No Repair or Replace Park Brake switch as needed Yes Is there power at Park Brake Solenoid when switch is in OFF Position No Test Neutra...

Page 15: ...tery ACC Pump Neutral Relay Key Switch Fuse 15a Interlock Park Brake Switch SBF 65a 4 4 Pump Neutral Holding Relay Foot Brake Switch 2 1 Park Brake Solenoid Two Speed Solenoid Brake Release Valve Neut...

Page 16: ...use Yes Is there power on the Blue Wire at the Speed Select Switch No Replace Fuse or repair connections at fuse terminal No Repair wire from F6 to Speed Select Switch Yes Is there power at Speed Sele...

Page 17: ...544 Travel Mode Relay Speed Change F6 15a Speed Change Solenoid Axle Two Speed Drum Solenoid Axle Drive Motor...

Page 18: ...2V Battery 12V Battery Battery Relay Battery ACC Key Switch SBF 65a SBF 75a 1 4 2 6 3 5 F6 15a Rabbit Speed Solenoid Axle Rabbit Speed Solenoid Drum 5 4 2 1 3 Travel Mode Relay A3 Travel Mode Switch 1...

Page 19: ...roken shaft to Vibrate Motor ECO Full Speed relay ECO Full Speed Fuse 20a Yes Repair Broken Shaft Parts No Inspect power across F16 20a Is the fuse good Yes Is there power at the Vibrate Mode Switch R...

Page 20: ...544...

Page 21: ...CO Mode C1 Pin 9 Vibrate Low C1 Pin 10 Vibrate High C1 Pin 11 Vibrate Solenoid 1 C1 Pin12 Vibrate Solenoid 2 SBF 75a Red Blue Stripe Red Yellow Stripe Vibrate Solenoid 1 Vibrate Solenoid 2 120 Ohm R F...

Page 22: ...544 ECU Fuse 5a ECO Controller Controller Fuse Pump Neutral Holding Relay Pump Neutral Relay Plus 1 Service Tool Connection Diagnostic Connector Diode Unit Air Conditioner Relay...

Page 23: ...544...

Page 24: ...544 Battery Relay 30a Fuse SBF 65a and 75a 10a Fuse Main Starter Relay...

Page 25: ...544...

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Page 29: ...544...

Page 30: ...pacity 1 75 lbs of R134A 2 oz of Pag Oil AC Control Panel AC Charge Ports AC Unit Blower Motors Heater Valve AC Dryer AC Pressure Switch AC Relays Expansion Valve Condenser and Thermostat Switches and...

Page 31: ...544...

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