Mazda CX-5 Service & Repair Manual: Hydraulic Variable Valve Timing Actuator Inspection
WARNING:
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A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing.
CAUTION:
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Do not disassemble the hydraulic variable valve timing actuator because it is a precision unit.
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the ignition coil/ion sensors..
4. Remove the cylinder head cover..
5. Verify that the notch of the rotor and projection of the cover on the hydraulic variable valve timing actuator are aligned and fitted.
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If the notch of the rotor and projection of the cover are not aligned, rotate the crankshaft in the direction the engine rotates two turns and verify that they are aligned.
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If the notch of the rotor and projection of the cover are still not aligned, replace the hydraulic variable valve timing actuator..
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If, when turning the crankshaft, there is a slapping noise from the hydraulic variable valve timing actuator each time before the cam reaches its maximum lift, it means that the actuator is not secured. Replace the hydraulic variable valve timing actuator..
6. Install in the reverse order of removal.
Fresh Air Duct
Purpose, Function
Conducts fresh air from outside the engine compartment.
Increases air density by taking fresh air, which is cooler than the engine
compartment, to enhance the charg ...
Hydraulic Variable Valve Timing Actuator
Purpose, Function
The hydraulic variable valve timing actuator operates according to the hydraulic
pressure and changes the phases of the exhaust camshaft. As a result, the open/close
per ...
Other materials:
Clutch Pedal Position (CPP) Switch [Skyactiv G 2.0]
Purpose/Function
Detects the connection status of the clutch.
Construction
Installed on the clutch pedal.
An ON/OFF type switch has been adopted.
Operation
Inputs the CPP switch on/off signal to the PCM.
The contact point is on and voltage ...
Not P Position Switch Inspection
NOTE:
The not P position switch is built into the selector lever component.
1. Disconnect the negative battery cable..
2. Remove the front console..
3. Disconnect the selector lever component connector.
4. Verify that the continuity between selector lever component terminals ...
Electric Variable Valve Timing Control
Outline
The PCM determines the optimum intake valve timing according to the engine
operation conditions, and sends the motor drive signals to the electric variable
valve timing driver. With the adoption of the electric drive system, variable
intake valve timing can be controlled with ...
