Mazda CX-5 Service & Repair Manual: Engine Oil Pressure Warning Light
Purpose
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The engine oil pressure warning light warns the driver that the engine oil level is insufficient.
Function
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When the instrument cluster receives the engine oil pressure warning light request signal sent from the PCM via the CAN signal, it illuminates the engine oil pressure warning light.
Construction
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The instrument cluster controls illumination on/off of the engine oil pressure warning light using the instrument cluster microcomputer based on the engine oil pressure warning light request signal from the PCM.
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The engine oil pressure warning light is set in the instrument cluster.
Operation
1. The instrument cluster receives (1) the engine oil pressure warning light request signal from the PCM.
2. The instrument cluster microcomputer turns the transistor on (2) based on the engine oil pressure warning light request signal.
3. When the transistor turns on, a ground circuit with the engine oil pressure warning light is established and the engine oil pressure warning light illuminates (3).
Fail-safe
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Function not equipped.
Door Ajar Warning Light
Purpose
The door-ajar warning light notifies the driver that any door or the liftgate
is open.
Function
When the instrument cluster receives any of the following signals sent fr ...
Front Fog Lights Indicator Light
Purpose
Notifies the user that the front fog lights are illuminated.
Function
Illuminates when the front fog light illumination conditions are met.
Construction
Displa ...
Other materials:
No.28 Fuel Filling Shut Off Concerns
28
FUEL FILLING SHUT OFF CONCERNS
DESCRIPTION
Fuel does not shut off properly.
POSSIBLE CAUSE
PCM DTC is stored.
Nonreturn valve malfunction
Pressure c ...
Miller Cycle Engine
Outline
The Miller cycle engine is a high-efficiency engine which achieves high fuel
economy performance by obtaining a high-expansion ratio.
The Miller cycle engine achieves a high-expansion ratio without increasing
its effective compression ratio by retarding the intake air va ...
Headliner
Purpose/Function
The headliner is equipped with a shock absorbing pad for driver's head protection
during a collision.
Construction
The front and rear side of the headliner is equipped with a shock absorbing
pad with a plastic rib-pad structure.
...
