Lighting; Head Lamp, Side Marker Lamp, Tail Lamp And License Lamp - Sakai R2-4 Shop Manual

2-6. Lighting

Check following items before troubleshooting.
• No blown fuse and power is applied up to fuses.
2-6-1. Head lamp, side marker lamp, tail lamp and license lamp do not light 1/2
Reference Fig.: 2-6-1
Check point
1. Battery
2. Each Bulb
3. Lighting Switch
4. Lighting Relay
Check/Cause
• Measure battery voltage or specific gravity.
Standard voltage : 12 V or more
Standard gravity : 1.26 or more
• If value is below standard, battery capacity is insufficient.
• Check that none of lamp bulbs is burned out or has a
contact failure.
• Bulb is faulty or poorly connected.
(1) when starter switch is ON, measure voltage between
lighting switch terminal 1 and 4 inlet wire WG and
chassis ground.
Standard voltage : 12 V or more
(2) when starter switch is ON and lighting switch is "
measure voltage between lighting switch terminal 3
outlet wire RL and chassis ground.
Standard voltage : 12 V or more
(3) when starter switch is ON and lighting switch is "
measure voltage between lighting switch terminal 5
outlet wire Lg and chassis ground.
Standard voltage : 12 V or more
• If above item (1) is OK and item (2) or (3) is NG, lighting
switch is faulty.
(1) when starter switch is ON and lighting switch is "
measure voltage between lighting relay terminal 1 inlet
wire Lg and chassis ground.
Standard voltage : 12 V or more
(2) when starter switch is ON and lighting switch is "
measure voltage between lighting relay terminal 3 inlet
wire WG and chassis ground.
Standard voltage : 12 V or more
(3) when starter switch is ON and lighting switch is "
measure voltage between lighting relay terminal 5 outlet
wire RY and chassis ground.
Standard voltage : 12 V or more
• If above items (1) and (2) are OK and item (3) is NG,
lighting relay is faulty.
TROUBLESHOOTING
Action
Charge or replace
battery.
Replace each bulb.
Replace lighting switch.
",
",
", Replace lighting relay.
",
",
10-039