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1.2L REVOTRON ENGINE
167
F. SWITCH
:
I.
Oil Pressure Switch :
Component Details :
Oil Pressure switch is installed on the engine
cylinder head 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.
Component 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, got 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 4 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 solved then please replace with new
switch.
.
Circuit Schematic Diagram :