1. Disconnect the negative battery cable.
2. Remove the intake maniforld.(see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
3. Remove the PCV valve.
4. Blow through the valve and verify that air flows as specified.

Specification

Egr valve inspection
Three-way catalytic converter (twc) inspectionMazda 6 Service Manual: Information display removal/installation
1. Disconnect the negative battery cable.
2. Remove the center panel module. (See CENTER PANEL MODULE
REMOVAL/INSTALLATION.)
3. Remove the LCD unit. (with car-navigation system) (See LCD UNIT
REMOVAL/INSTALLATION.)
4. Remove the center box. (without car-navigation system)
5. Remove in the or ...
Mazda 6 Service Manual: Selector lever removal/installation
1. Disconnect the negative battery cable.
2. Remove battery and battery tray.
3. Remove the air cleaner compornent. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
4. Remove the console.
5. Remove the dashboard compleat. (See DASHBOARD REMOVAL/INSTALLATION.)
6. Remove the SAS control module. (S ...