Continuous Water Spray Works, But Intermittent Water Spray - Sakai R2-4 Shop Manual

2-5-2. Continuous water spray works, but intermittent water spray does not operate
• Water spray mode select switch must be "INT".
Reference Fig.: 2-5-1
Check point
1. Water Spray Timer
2. water Spray Mode
Select Switch
3. Harness Connecting
Between Terminals
Check/Cause
(1) when starter switch is ON, measure voltage between
water spray timer terminal 1 inlet wire LR and terminal 3
inlet wire LB and chassis ground.
Standard voltage : 12 V or more
(2) when starter switch is ON, measure voltage between
water spray timer terminal 4 outlet wire LY and chassis
ground.
Standard voltage : 12 V or more with constant intervals
• If above item (1) is OK and item (2) is NG, water spray
timer is faulty.
(1) when starter switch is ON, measure voltage between
water spray mode select switch terminal 4 inlet wire LB
and chassis ground.
Standard voltage : 12 V or more
(2) when starter switch is ON, measure voltage between
water spray mode select switch terminal 5 outlet wire
LR and chassis ground.
Standard voltage : 12 V or more
• If above item (1) is OK and item (2) is NG, water spray
mode select switch is faulty.
• Measure resistance of harness connecting between
terminals.
Standard resistance : 10 Ω or less
• If resistance is abnormal, harness is faulty.
TROUBLESHOOTING
Action
Replace water spray
timer.
Replace water spray
mode select switch.
Repair or replace
harness.
10-037