PC GENIUS DIAGNOSTIC SYSTEM (YUM2E)
9-11
TROUBLESHOOTING USING PC GENIUS
This section identifies the diagnostic codes/display names used in the PC Genius diagnostic tool.
Check and service the items or components that are the probable cause of the malfunction according
to the following table.
Fault code No. 8
Fault code No. 20
Fault code No.
8
Display name
Main relay drive fault
Symptom
Main relay malfunction
Vehicle stopped
Step
Inspection items
Diagnostic procedure
Confirmation steps after
diagnostic procedure
1
Resetting the MCU
Cycle the TOW switch off and
on (RUN
→
TOW
→
RUN).
Connect the PC Genius
diagnostic tool, and check if any
errors are continuously
occurring.
OK
→
Go to step 5.
NG
→
Go to step 2.
2
Main relay operation
Check the main relay.
Refer to “CHECKING THE
RELAYS” on page 8-77.
Replace if defective.
Connect the PC Genius
diagnostic tool, and check if any
errors are continuously
occurring.
OK
→
Go to step 5.
NG
→
Go to step 3.
3
Wire harness continuity
Open or short circuit
→
Properly
connect or replace the wire
harness.
Between the main relay terminal
and MCU coupler.
Red/black–Red/black
Red/blue–Red/blue
Connect the PC Genius
diagnostic tool, and check if any
errors are continuously
occurring.
OK
→
Go to step 5.
NG
→
Go to step 4.
4
Malfunction in MCU
Replace the MCU.
Go to step 5.
5
Operation check
Set the TOW switch to RUN, the
main switch to ON, depress the
accelerator pedal, and check if
the vehicle runs.
OK
→
Maintenance job
completion.
NG
→
Refer to “Vehicle
Fault code No.
20
Display name
Over current
Symptom
Over current (Short circuit between motor and MCU)
Vehicle stopped
Step
Inspection items
Diagnostic procedure
Confirmation steps after
diagnostic procedure
1
Resetting the MCU
Cycle the TOW switch off and
on (RUN
→
TOW
→
RUN).
Connect the PC Genius
diagnostic tool, and check if any
errors are continuously
occurring.
OK
→
Go to step 4.
NG
→
Go to step 2.
Содержание UMAX
Страница 1: ...SERVICE MANUAL UTILITY VEHICLE J0F F8197 E1 YUM1A YUM2A YUM2E LIT 19616 A0 37...
Страница 2: ......
Страница 6: ......
Страница 8: ......
Страница 25: ...GENERAL SPECIFICATIONS 2 2 1174 kg 2589 lb YUM2E Hill claiming ability 20 YUM1A 15 YUM2A YUM2E...
Страница 33: ...ELECTRICAL SPECIFICATIONS YUM1A YUM2A 2 10 USB fuse 5 A...
Страница 43: ...TIGHTENING TORQUES 2 20...
Страница 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...
Страница 48: ...CABLE ROUTING 2 25 YUM1A Left side A B D C 1 2 3 4 4 4 4 5 6 7 8 9...
Страница 50: ...CABLE ROUTING 2 27 YUM1A Brake and throttle cables A B 1 3 2 3 1 2 2 4 5...
Страница 52: ...CABLE ROUTING 2 29 YUM1A Shift cables 1 2 3 1 2 4 1 2...
Страница 53: ...CABLE ROUTING 2 30 1 Shift control cable forward 2 Shift control cable reverse 3 Plastic band 4 Reverse switch...
Страница 54: ...CABLE ROUTING 2 31 YUM2A Frame top view A B C 1 1 1 2 3 4 5 6 7 8 1 1 1 1 1 2 3 6 9 10 11 12 13 14 15 16 D E...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 64: ...CABLE ROUTING 2 41 YUM2E Front and rear 1 1 2 3 4 3 A...
Страница 66: ...CABLE ROUTING 2 43 YUM2E Left side B 2 1 3 4 5 6 7 8 9 10 11 A 9...
Страница 68: ...CABLE ROUTING 2 45 YUM2E Brake cable A A B C 1 2 4 3...
Страница 70: ...CABLE ROUTING 2 47...
Страница 73: ......
Страница 96: ...4 YEAR CHECKS 3 23...
Страница 99: ......
Страница 134: ...FRONT SUSPENSION COMPONENTS 4 35 4 3 1 2 5 a...
Страница 138: ...REAR SUSPENSION COMPONENTS 4 39...
Страница 174: ...CRANKSHAFT AND PISTON 5 35...
Страница 196: ...TRANSMISSION YUM1A YUM2A 7 13 Refer to CHECKING THE SHIFT LEVER YUM1A YUM2A on page 3 8...
Страница 202: ...TRACTION MOTOR YUM2E 7 19...
Страница 205: ......
Страница 217: ...CHARGING SYSTEM YUM1A YUM2A 8 12...
Страница 218: ...CHARGING SYSTEM YUM2E 8 13 CHARGING SYSTEM YUM2E CIRCUIT DIAGRAM R R B R B B B B 27 28 27 Battery 28 Charging receptacle...
Страница 223: ...LIGHTING SYSTEM YUM1A YUM2A 8 18...
Страница 227: ...LIGHTING SYSTEM YUM2E 8 22...
Страница 233: ...SIGNALING SYSTEM YUM1A YUM2A 8 28...
Страница 243: ...FUEL INJECTION SYSTEM YUM1A YUM2A 8 38...
Страница 247: ...FUEL PUMP SYSTEM YUM1A YUM2A 8 42...
Страница 284: ...ELECTRICAL COMPONENTS YUM2E 8 79...
Страница 313: ...PC GENIUS GOLF CAR PROGRAMMING SYSTEM YUM2E 9 28...
Страница 315: ......
Страница 316: ......