Suzuki SY413 Service Manual page 2276

8-10 BODY ELECTRICAL SYSTEM
1. Battery
2. Illumination controller
3. Test light (12V, 3.4W)
OIL PRESSURE LIGHT
DESCRIPTION OF CIRCUIT
The oil pressure circuit consists of the oil pressure switch installed to the cylinder block and the light (warning light)
inside the combination meter.
The oil pressure switch operates in such a way that it is switched OFF when oil pressure is produced by the started
engine and then fed to switch.
ILLUMINATION CONTROLLER
Inspection
Use a bulb to wire as illustrated.
Make sure that illumination controller knob is turned clockwise to
brighten test light and counterclockwise to darken it.
1. Battery
2. Main fuse
3. Ignition switch
4. Junction box
5. Oil pressure warning light
6. Oil pressure switch
7. Oil filter
8. Joint connector
9. Exhaust manifold cover
INSPECTION
Use an ohmmeter to check oil pressure switch continuity.
During Engine Running
At Engine Stop
1. To wiring harness
2. Cylinder block
< 1.3L and 1.6L engine models >
< 1.8L engine model >
No continuity
Continuity