
Diagnostic procedure


Dtc b1913, b1916, b1932, b1934
Dtc b1921Mazda 6 Service Manual: Pcv valve inspection
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.
If not as specified, replace the PCV valve.
Specification
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Mazda 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 ...