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.
Engine Oil Level Inspection
1. Position the vehicle on level ground.
2. Warm up the engine.
3. Stop the engine and allow at least 5 min before continuing.
4. Remove the dipstick, wipe it cleanly, and reinstall it fully.
...
Engine Oil Replacement
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported ...
Other materials:
Instrument Cluster Disassembly/Assembly
CAUTION:
If the instrument cluster is hit forcefully during disassembly such as by
being dropped, it could get damaged and the system may not operate normally.
When disassembling the instrument cluster, perform the procedure on a workbench
on clean clothes being careful not to drop ...
Engine Oil Replacement
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...
Front Crossmember Removal/Installation
CAUTION:
Performing the following procedures without first removing the front ABS
wheel-speed sensor may possibly cause an open circuit in the wiring harness
if it is pulled by mistake. Before performing the following procedures, disconnect
the front ABS wheel-speed sensor wiring ha ...
