10-072
TROUBLESHOOTING
2-6-21. Horn does not sound
Reference Fig. : 2-6-6
Check point
Check/Cause
Action
1. Horn
Disconnect horn and directly connect battery positive
terminal to horn terminal wire Lg side and negative
terminal to horn terminal chassis ground side.
If horn does not sound, horn is faulty.
•
•
Replace horn.
2. Horn Relay
(1) When starter switch is ON, measure voltage between
horn relay terminal 1 and 3 inlet wire RG and chassis
ground.
Standard voltage : 12 V or more
(2) When starter switch is ON and horn switch pressed,
measure voltage between horn relay terminal 5 outlet
wire Lg and chassis ground.
Standard voltage : 12 V or more
If above item (1) is OK and item (2) is NG, horn relay is
faulty.
•
Replace horn relay.
3. Horn Switch
When horn switch is ON, check continuity between horn
switch terminals.
There is continuity in normal condition.
If there is no continuity, horn switch is faulty.
•
•
Replace horn switch.
4. Harness Connecting
Between Terminals
Measure resistance of harness connecting between
terminals.
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
•
•
Repair or replace
harness.
2-6-22. Backup buzzer does not sound
Reference Fig. : 2-6-6
Check point
Check/Cause
Action
1. Backup Buzzer
Disconnect backup buzzer and directly connect battery
positive terminal to backup buzzer terminal wire BY side
and negative terminal to backup buzzer terminal wire B
side.
If backup buzzer does not sound, backup buzzer is faulty.
•
•
Replace backup buzzer.
2. Backup Buzzer Switch (1) When starter switch is ON, measure voltage between
backup buzzer switch terminal inlet wire RG and
chassis ground.
Standard voltage : 12 V or more
(2) When starter switch is ON and F-R lever is “R” ,
measure voltage between backup buzzer switch
terminal outlet wire Br and chassis ground.
Standard voltage : 12 V or more
If above item (1) is OK and item (2) is NG, backup buzzer
switch is faulty.
•
Replace backup buzzer
switch.
3. Harness Connecting
Between Terminals
Measure resistance of harness connecting between
terminals.
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
•
•
Repair or replace
harness.
Содержание SW354
Страница 1: ...SW TW354 SW TW504 SHOP MANUAL 3498 6446A 1 ...
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Страница 17: ...SAFETY ...
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Страница 27: ...SPECIFICATIONS ...
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Страница 57: ...ENGINE AND CONTROLS ...
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Страница 73: ...HYDRAULIC SYSTEMS ...
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Страница 141: ...ELECTRICAL SYSTEM ...
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Страница 187: ...5 033 ELECTRICAL SYSTEM 4 10 2 Cap TW354 504 1447 09002 0 40043 0 SWP 3M Frame R harness P 5 023 ...
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Страница 235: ...5 078 ELECTRICAL SYSTEM SW504 8 18 2 Cap except ROPS 1418 09044 0 40589 0 SWP 4F Dashboard harness 2 P 5 055 G ...
Страница 247: ...VIBRATORY DRUM REAR WHEEL ...
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Страница 297: ...BRAKE ...
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Страница 303: ...WATER SPRAY SYSTEM ...
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Страница 311: ...INSPECTION AND ADJUSTMENT ...
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Страница 347: ...TROUBLESHOOTING ...
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Страница 451: ...10 101 TROUBLESHOOTING SW504 4 3 Propulsion Refer to P 10 022 ...
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Страница 461: ...10 110 TROUBLESHOOTING SW504 4 5 Water Spray Refer to P 10 040 Refer to ROPS type for water spray timer ...
Страница 478: ...10 127 TROUBLESHOOTING SW504 5 HYDRAULIC SYSTEM TROUBLESHOOTING SW504 Refer to P 10 073 ...
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