TIAGO

1.2L REVOTRON ENGINE

164

F. SWITCH

Oil Pressure Switch :

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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

. 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.

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Component Location :

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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.

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Circuit Schematic Diagram :