Mazda CX-5 Service & Repair Manual: Oil Jet Valve
Purpose, Function
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The oil jet valve injects engine oil on the back of the piston to cool the piston.
Construction
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The oil jet valve is installed into the cylinder block.
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The oil jet valve is built into the check ball and spring.
Operation
1. When the oil pressure applied to the check ball exceeds the spring force, the check ball and spring are pressed down.
2. The oil passage is opened to the nozzle and engine oil is injected to the back side of the piston.
3. When the oil pressure applied to the check ball is lower than the spring force, the spring presses up the check ball.
4. The oil passage to the nozzle is closed and the injection of engine oil stops.
Oil Filter
Purpose, Function
Engine oil is filtered by passing engine oil through the oil filter element.
Construction
The oil filter is installed on the right side surface of the cylinder bl ...
Oil Pan Removal/Installation
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:
Controller Area Network (Can)
Outline
The DSC HU/CM sends and receives data to and from other modules via the CAN
system. Refer to MULTIPLEX COMMUNICATION SYSTEM for a detailed explanation of
the CAN system..
Data sent
Cruise control system-related information
DSC system-related information
...
Dynamic Stability Control (DSC)
The Dynamic Stability Control (DSC) automatically controls braking and engine
torque in conjunction with systems such as ABS and TCS to help control side slip
when driving on slippery surfaces, or during sudden or evasive maneuvering, enhancing
vehicle safety.
Refer to ABS and TCS .
DS ...
Air Fuel Ratio (A/F) Sensor Heater Control [Skyactiv G 2.0]
Outline
Based on the control of the A/F sensor heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine start is made possible for improved cold temperature exhaust
emission performance.
...
