VARIABLE VALVE TIMING CONTROL [LF, L3]

id0140001712a6

Outline

• The variable valve timing control of the Mazda6 is essentially carried over from the current MX-5 (NB) except for the execution condition of the cleaning mode and the maximum cam retard mode (To match the vehicle characteristics).

Execution condition

Cleaning mode

• When all of the following conditions are met.

- Decrease the engine speed with CTP

- Engine speed: between 2,250 rpm and 3,500 rpm

- ECT: above 80 °C {176 °F}

Maximum cam retard mode

• When any of the following conditions are met.

- Cranking

- Engine speed: below 970 rpm

- ECT: below 18 °C {64 °F}

- Target valve timing: 0

- Torque reduction is activating by TCS