PC GENIUS DIAGNOSTIC SYSTEM (YUM2E)
9-24
Fault code table
Fault code
No.
Display name
Item
Symptom
Possible cause
8
Main relay drive
fault
Main relay drive
fault
Motor output
shut-off, vehicle
stopped (no
regeneration)
• Main relay drive short
circuit
• Short circuit in the
harness between the
MCU and relay drive
20
Over current
Over current fault
Motor output
shut-off, vehicle
stopped (no
regeneration)
• Motor internal short
circuit
• Short circuit in the cable
between the motor and
MCU
22
Over voltage
Over voltage fault
Motor output
shut-off, vehicle
stopped (no
regeneration)
MCU over voltage
protection
23
Power circuit
overheated
Main circuit
overheated
Motor output
shut-off, vehicle
stopped (no
regeneration)
MCU heat protection
24
Control circuit
overheated
Control circuit
overheated
Motor output
shut-off, vehicle
stopped (no
regeneration)
MCU heat protection
25
Internal circuit
overheated
Condenser
overheated
Motor output
shut-off, vehicle
stopped (no
regeneration)
MCU heat protection
26
Motor circuit short
Interphase short
circuit
Motor output
shut-off, vehicle
stopped (no
regeneration)
Short circuit of the cable
between the motor and
MCU due to incorrect
assembly when
reassembling the motor or
MCU
27
MCU temperature
too low
Temperature too
low
Vehicle stopped
(with regeneration)
Protection from MCU
failure due to low
temperature
29
MCU internal error
Main circuit
temperature sensor
connection failure
Vehicle stopped
(with regeneration)
MCU internal circuit error
30
MCU internal error
Control circuit
temperature sensor
connection failure
Vehicle stopped
(with regeneration)
MCU internal circuit error
31
MCU internal error
Condenser
temperature sensor
connection failure
Vehicle stopped
(with regeneration)
MCU internal circuit error
32
MCU internal error
Motor temperature
sensor connection
failure
Vehicle stopped
(with regeneration)
MCU internal circuit error
33
MCU internal error
Abnormal offset
current
Vehicle stopped
(with regeneration)
MCU internal circuit error
35
TPS signal too high
Accelerator sensor
voltage failure high
side
Vehicle stopped
(with regeneration)
Accelerator sensor failure
Summary of Contents for UMAX
Page 1: ...SERVICE MANUAL UTILITY VEHICLE J0F F8197 E1 YUM1A YUM2A YUM2E LIT 19616 A0 37...
Page 2: ......
Page 6: ......
Page 8: ......
Page 25: ...GENERAL SPECIFICATIONS 2 2 1174 kg 2589 lb YUM2E Hill claiming ability 20 YUM1A 15 YUM2A YUM2E...
Page 33: ...ELECTRICAL SPECIFICATIONS YUM1A YUM2A 2 10 USB fuse 5 A...
Page 43: ...TIGHTENING TORQUES 2 20...
Page 46: ...CABLE ROUTING 2 23 YUM1A Front and rear A B C 1 1 1 1 2 3 4 3 4 1 2 3 4 5 6...
Page 48: ...CABLE ROUTING 2 25 YUM1A Left side A B D C 1 2 3 4 4 4 4 5 6 7 8 9...
Page 50: ...CABLE ROUTING 2 27 YUM1A Brake and throttle cables A B 1 3 2 3 1 2 2 4 5...
Page 52: ...CABLE ROUTING 2 29 YUM1A Shift cables 1 2 3 1 2 4 1 2...
Page 56: ...CABLE ROUTING 2 33 YUM2A Front and rear A B C D 1 1 1 1 1 2 2 3 3 4 4 3 4 5 6 7...
Page 58: ...CABLE ROUTING 2 35 YUM2A Left side A B C D 1 2 3 4 4 4 4 6 7 8 9 10 5...
Page 60: ...CABLE ROUTING 2 37 YUM2A Brake throttle and shift cables A A B C D 1 1 2 3 3 4 5 4 5 6 6 7 8 9...
Page 62: ...CABLE ROUTING 2 39 YUM2E Frame top view A A B 1 2 3 4 5 6 7 C D E E 6 6 6 8 9 10 11 12...
Page 64: ...CABLE ROUTING 2 41 YUM2E Front and rear 1 1 2 3 4 3 A...
Page 66: ...CABLE ROUTING 2 43 YUM2E Left side B 2 1 3 4 5 6 7 8 9 10 11 A 9...
Page 68: ...CABLE ROUTING 2 45 YUM2E Brake cable A A B C 1 2 4 3...
Page 70: ...CABLE ROUTING 2 47...
Page 73: ......
Page 96: ...4 YEAR CHECKS 3 23...
Page 99: ......
Page 134: ...FRONT SUSPENSION COMPONENTS 4 35 4 3 1 2 5 a...
Page 138: ...REAR SUSPENSION COMPONENTS 4 39...
Page 174: ...CRANKSHAFT AND PISTON 5 35...
Page 196: ...TRANSMISSION YUM1A YUM2A 7 13 Refer to CHECKING THE SHIFT LEVER YUM1A YUM2A on page 3 8...
Page 202: ...TRACTION MOTOR YUM2E 7 19...
Page 205: ......
Page 217: ...CHARGING SYSTEM YUM1A YUM2A 8 12...
Page 223: ...LIGHTING SYSTEM YUM1A YUM2A 8 18...
Page 227: ...LIGHTING SYSTEM YUM2E 8 22...
Page 233: ...SIGNALING SYSTEM YUM1A YUM2A 8 28...
Page 243: ...FUEL INJECTION SYSTEM YUM1A YUM2A 8 38...
Page 247: ...FUEL PUMP SYSTEM YUM1A YUM2A 8 42...
Page 284: ...ELECTRICAL COMPONENTS YUM2E 8 79...
Page 313: ...PC GENIUS GOLF CAR PROGRAMMING SYSTEM YUM2E 9 28...
Page 315: ......
Page 316: ......