9-056
TROUBLESHOOTING
2-6-2. Combination meter warning lamp or indicator lamp is abnormal
Reference Fig. : 2-6-1
Check point
Check/Cause
Action
1. Harness
Disconnect connectors between combination meter and
lamp check relay.
Measure resistance between terminals and chassis
ground.
Combination meter connector terminal wire No. 32 wire
BY and chassis ground
Lamp check relay terminal 3 wire BY and chassis
ground
Standard resistance: 100 kΩ or more
If resistance is abnormal, harness is faulty.
•
•
•
•
•
Repair or replace
harness.
2. Lamp Check Relay
(A9)
(1) When starter switch is ON, measure voltage between
lamp check relay terminal 1 outlet wire LgW and
chassis ground.
Standard voltage : 12 V or more
(2) After starting engine, measure voltage between lamp
check relay terminal 2 inlet wire LB and chassis ground.
Standard voltage : 12 V or more
(3) After starting engine,
check continuity between lamp
check relay terminal 3 inlet wire BY and chassis ground.
There is no continuity in normal condition.
If above items (1) and (2) are OK and item (3) is NG, lamp
check relay is faulty.
If above item (1) is OK and item (2) is NG, alternator is
faulty.
•
•
Repair or replace lamp
check relay (A9) or
alternator.
3. Combination Meter
(Lamp check)
(1) When starter switch is ON, measure voltage between
combination meter terminal wires and ground terminal
wire.
Continuous power (+) terminal wire No.70 inlet wire
WR and ground (-) terminal wire No.X wire B
Power (+) terminal wire No.35 inlet wire YW and
ground (-) terminal wire No.X wire B
Standard voltage : 12 V or more
(2) When starter switch is ON, check that parking brake
indicator lamp, hydraulic oil filter warning lamp and
charge warning lamp illuminate and then go out after
starting engine.
If above item (1) is OK and item (2) is NG, combination
meter is faulty.
(NOTICE)
Since engine cannot start unless parking brake
switch is applied, parking brake indicator lamp does
not go out even after starting engine.
•
•
•
•
Replace combination
meter.
Содержание SV414
Страница 1: ...SV414 SHOP MANUAL 3498 64214 0 ...
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Страница 13: ...SAFETY ...
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Страница 23: ...SPECIFICATIONS ...
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Страница 37: ...ENGINE AND CONTROLS ...
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Страница 45: ...HYDRAULIC SYSTEMS ...
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Страница 93: ...ELECTRICAL SYSTEM ...
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Страница 127: ...VIBRATORY DRUM REAR AXLE ...
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Страница 185: ...INSPECTION AND ADJUSTMENT ...
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Страница 213: ...TROUBLESHOOTING ...
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