ELECTRICAL COMPONENTS (YUM1A/YUM2A)
8-54
CHECKING THE SPARK PLUG CAP
1. Check:
• Spark plug cap resistance
Out of specification
→
Replace.
a. Remove the spark plug cap from the spark
plug lead.
b. Connect the digital circuit tester to the
spark plug cap as shown.
c. Measure the spark plug cap resistance.
CHECKING THE IGNITION COIL
1. Check:
• Primary coil resistance
Out of specification
→
Replace.
a. Disconnect the ignition coil connectors
from the ignition coil terminals.
b. Connect the digital circuit tester to the igni-
tion coil as shown.
c. Measure the primary coil resistance.
2. Check:
• Secondary coil resistance
Out of specification
→
Replace.
a. Disconnect the spark plug cap from the ig-
nition coil.
b. Connect the digital circuit tester to the igni-
tion coil as shown.
c. Measure the secondary coil resistance.
CHECKING THE IGNITION SPARK GAP
1. Check:
• Ignition spark gap
Result
Continuity
(between “3” and “4”)
Resistance
3.75–6.25 k
Ω
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with ta-
chometer
YU-A1927
Primary coil resistance
2.16–2.64
Ω
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with ta-
chometer
YU-A1927
• Positive tester probe
→
red “1”
• Negative tester probe
→
orange “2”
Secondary coil resistance
8.64–12.96 k
Ω
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with ta-
chometer
YU-A1927
• Positive tester probe
→
red “1”
• Negative tester probe
→
Spark plug lead “2”
1
2
1
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: ......