Sakai SW300-1, Shop Manual

Page: 215 / 246

10-032
TROUBLESHOOTING
2-5-2. Liquid spray does not operate (TW types)
• Liquid spray switch must be ON.
Reference Fig.: 2-5-1
Check point Check/Cause Action
1. Liquid Spray Pump (1) When starter switch is ON, measure voltage between
liquid spray pump terminal inlet wire BrW and chassis
ground.
Standard voltage: 12 V or more
(2) Check that no abnormality is found in liquid spray pump
ground terminal.
• If above items (1) and (2) are OK and liquid spray pump
does not operate, liquid spray pump is faulty.
Replace liquid spray
pump.
2. Liquid Spray Switch (1) When starter switch is ON, measure voltage between
liquid spray switch terminal 1 inlet wire Br and chassis
ground.
Standard voltage: 12 V or more
(2) When starter switch is ON, measure voltage between
liquid spray switch terminal 2 outlet wire BrW and
chassis ground.
Standard voltage: 12 V or more
• If above item (1) is OK and item (2) is NG, liquid spray
switch is faulty.
Replace liquid spray
switch.
3. Harness Connectin
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.
10̲TROUBLESHOOTING̲oku.indd 10-032 10̲TROUBLESHOOTING̲oku.indd 10-032 2012/11/14 20:25:57 2012/11/14 20:25:57