Mazda CX-5 Service & Repair Manual: Electric Variable Valve Timing Actuator Inspection
WARNING:
-
A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing.
CAUTION:
-
Do not disassemble the electric 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 electric variable valve timing motor/driver..
4. Rotate the eccentric shaft of the electric variable valve timing actuator by hand and verify that it rotates smoothly.
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If it does not rotate smoothly, replace the electric variable valve timing actuator..
NOTE:
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Hook a finger onto the joint groove of the eccentric shaft to rotate the shaft easily.
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The eccentric shaft stops rotating at the maximum retard position when it is rotated counterclockwise as viewed from the front, and at the maximum advance position when rotated clockwise.
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The eccentric shaft rotates 15.8 turns from the maximum retard position to the maximum advance position.
5. Install in the reverse order of removal.
Compression Inspection
WARNING:
Hot engines and oil can cause severe burns. Be careful not to burn yourself
during removal/installation of each component.
Fuel vapor is hazardous. It can very easily ignit ...
Electric Variable Valve Timing Actuator
Purpose, Function
The electric variable valve timing actuator changes the phases of the intake
camshaft relative to the crankshaft. As a result, the open/close period of the
intake valve ...
Other materials:
Fog Lights
Use this switch to turn on the fog lights.
The fog lights will improve visibility at night and during foggy conditions.
To turn the fog lights on, rotate the fog light switch to the
position.
The headlight switch must be in the
position before turning on the fog lights.
To turn the fog lig ...
Crankshaft Position (CKP) Sensor
Purpose/Function
Detects the crankshaft speed as basic information for mainly determining
the fuel injection timing and ignition timing.
Detects the crankshaft speed and inputs it to the PCM as a CKP signal.
Construction
Installed on the side of the cylinder block (ri ...
DSC HU/CM
Outline
A high reliability, reduced size and weight DSC HU/CM, integrating both the
DSC HU and the DSC CM, has been adopted.
DSC HU Part Purpose/Function
According to DSC CM signals, the DSC HU controls (on/off) each solenoid valve
and the pump motor, adjusts fluid pr ...
