DIAGNOSTIC/ERROR CODE IDENTIFICATION CHART (YUM1A/
YUM2A)
9-4
DIAGNOSTIC/ERROR CODE IDENTIFICATION CHART (YUM1A/YUM2A)
Diagnostic
code
Error
code
Description
Symptom
Possible cause
Engine
starts
—
12
Crankshaft position
sensor
No signal from the
crankshaft position
sensor
Crankshaft position sensor
open or short circuit
Pickup rotor
Wire harness
ECU
Incorrectly installed sensor
No
D03
13
Intake air pressure
sensor
Abnormal intake air
pressure values
Intake air pressure sensor
open or short circuit
ECU
Wire harness
Incorrectly installed sensor
No
14
Clogged intake air flow or
trouble of the intake valve
system.
No
D05
22
Intake air
temperature sensor
No signal from
temperature sensor
Intake air temperature
sensor open or short circuit
ECU
Wire harness
Incorrectly installed sensor
Yes
D11
28
Engine temperature
sensor
Abnormal engine
temperature values
Engine temperature sensor
open or short circuit
ECU
Wire harness
Incorrectly installed sensor
Yes
D30
—
Ignition system
No ignition or spark
Ignition coil open or short
circuit
ECU
Wire harness
Incorrectly installed ignition
coil
—
—
39
Fuel injector
No fuel injection
Fuel injector open or short
circuit
ECU
Wire harness
Incorrectly installed fuel
injector
No
—
44
EPROM write error
Failure to write
EPROM
ECU
Yes
—
46
Vehicle power supply
Voltage to fuel
injector is abnormal
Low battery charge
Wire harness
Charging system
Yes
—
50
ECU internal failure
Faulty ECU
memory
ECU
No
—
89
Engine overheating
High engine
temperatures
Engine cooling fins plugged
Cooling fan
Engine ducting
Yes
D61
—
Error history
No Error = “00”
History of error
code is displayed in
the order of lower
number.
—
—
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: ......