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.
-
If it does not rotate smoothly, replace the electric variable valve timing actuator..
NOTE:
-
Hook a finger onto the joint groove of the eccentric shaft to rotate the shaft easily.
-
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.
-
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:
Camshaft Position (CMP) Sensor
Purpose/Function
Detects the camshaft speed as basic information for mainly determining the
fuel injection timing and ignition timing.
Detects the camshaft speed and inputs it to the PCM as a CMP signal.
Construction
Intake CMP sensor
Installed on the cylinder head.
...
Hood Latch Switch
Purpose
Detects the open/closed condition of the hood.
Function
The hood latch switch is utilized in the theft-deterrent system control.
For the theft-deterrent system, refer to (see THEFT-DETERRENT SYSTEM.).
Construction
Built into the hood latch ...
Hood Removal/Installation
WARNING:
Removing the hood without supporting it could cause the hood to fall and
cause serious injury. Always perform the procedure with at least another person
to prevent the hood from falling.
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Fro ...
