Subaru Robin EX13 - Manual (Page 58)

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10. OIL SENSOR
10-1 SPECIFICATIONS
10-2 CONSTRUCTION AND OPERATION
The oil sensor is composed of the float, permanent
magnet incorporated into the float and the oil sensor.
In accordance with the oil level, the float moves up and
down.
When the oil level is upper level, the float moves up.
Fig.10-1
OIL SENSOR
Type
Float type
(with lead switch incorporated)
Resistance
(at FULL oil level)
100 M ohms or over
Operating
Temperature
-30 to +180 degree Celsius
Fig.10-2
FLOAT
LEAD SWITCH
PERMANENT MAGNET
Fig.10-3
When the oil level is lower level, the float moves down.
The permanent magnet is close to the lead switch, and
the lead switch is activated by the magnetic force.
MAGNETIC FORCE
NOTE : With regards to the wiring diagram,
please refer to the section 8-4 (page52).