

Diagnostic procedure


Dtc p0301, p0302, p0303, p0304
Dtc p0328Mazda 6 Service Manual: Drive belt auto tensioner inspection
1. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
2. Verify that the drive belt auto tensioner moves smoothly in the
operational direction.
Replace the drive belt auto tensioner if necessary.
3. Turn the drive belt auto tensioner pulley by hand and verify that it
rotates smoothly ...
Mazda 6 Service Manual: Refrigerant lines removal/installation
1. Remove the battery.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
3. Remove the washer tank. (L.H.D. only) (See WASHER TANK
REMOVAL/INSTALLATION.)
4. Remove the air cleaner cover, air cleaner element and air cleaner case.
(See INTAKE-AIR SYSTEM
REMOVAL/INST ...