Mazda 3 Service Manual: Electric Variable Valve Timing Motor/Driver Inspection [Skyactiv G 2.0]

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 motor/driver because it is a precision unit.

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the plug hole plate..

4. Remove the coolant reserve tank with the hose still connected and set it out of the way..

5. Remove the electric variable valve timing motor/driver..

6. Rotate the electric variable valve timing motor joint to the left and right by hand and verify that it rotates smoothly in 15°

increments.

• If it does not rotate smoothly, replace the electric variable valve timing motor/driver.(See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

NOTE:

• The electric variable valve timing motor joint moves in 15°

  increments, and if the joint is moved 24

  times, it rotates one full rotation.

7. Install in the reverse order of removal.