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1.5L REVOTORQ ENGINE
183
x. OIL PRESSURE SWITCH
Oil Pressure switch is installed on the engine
block to check pressure in oil gallery. If the oil
pressure is detected as low, it Switch On the "Low
Oil pressure" tell-tale in the Instrument Cluster.
This information is very useful for the customer so
as to alert him to check the engine oil level in the
dip stick and top up the oil to bring it closer to max
mark level.
This switch is Normally Closed contact type and
opens only when oil pressure is above the range
of 0.6 to 0.9 Kg
/Sq.cm. It has a spring loaded
diaphragm which opens up to generate OK signal.
Otherwise if pressure is below the designated
range, the tell-tale on Cluster gets ON.
SENSOR LOCATION
Diagnostic troubleshooting
If the tell-tale is ON in the Instrument Cluster,
please check the following things: -
1. Please check that oil level in dip stick
should be above minimum mark. If yes, go
to step 2 or else top-up the engine oil and
recheck the tell-tale status after engine
restart.
2. Please check if there is any leakage of oil
from oil pressure sensor. If yes, please
tighten the oil pressure switch mounting bolt
with 3 Kgfm.
3. Please check whether the oil pressure
switch connector is not loose.
4. Electrical diagnosis - to be supported from
AED team.
5. If still not solved then please replace with
new switch.
Circuit Schematic Diagram