Mazda CX-5 Service & Repair Manual: Door Ajar Warning Light
Purpose
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The door-ajar warning light notifies the driver that any door or the liftgate is open.
Function
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When the instrument cluster receives any of the following signals sent from the rear body control module (RBCM) via the CAN signal, the door-ajar warning light illuminates.
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Door latch switch ON signal (door open)
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Liftgate latch switch ON signal (liftgate open)
Construction
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The instrument cluster controls illumination on/off of the door-ajar warning light using the instrument cluster microcomputer based on the door latch or liftgate latch position signal from the rear body control module (RBCM).
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The door-ajar warning light is set in the instrument cluster.
Operation
1. The instrument cluster receives (1) the door latch switch ON signal or liftgate latch switch ON signal from the rear body control module (RBCM).
2. The instrument cluster microcomputer turns the transistor on (2) based on each signal.
3. When the transistor turns on, a ground circuit with the door-ajar warning light is established and the door-ajar warning light illuminates (3).
Fail-safe
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Function not equipped.
Cruise Set Indicator Light (Green)
Purpose/Function
Illuminates during the cruise control system operation to inform the driver
that the cruise control system is operating.
Construction
Built into the instrument ...
Engine Oil Pressure Warning Light
Purpose
The engine oil pressure warning light warns the driver that the engine oil
level is insufficient.
Function
When the instrument cluster receives the engine oil pressure w ...
Other materials:
Warning Sound is Activated
Lights-On Reminder
If lights are on and the ignition is switched to ACC or the ignition is switched
off, a continuous beep sound will be heard when the driver's door is opened.
NOTE
• When the ignition is switched to ACC,
the “Ignition Not Switched Off (STOP) Warning Beep” ove ...
Engine Oil Pressure Warning Light
Purpose
The engine oil pressure warning light warns the driver that the engine oil
level is insufficient.
Function
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
oi ...
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
