Purpose, Function
The camshaft is rotated by receiving the rotation force of the crankshaft via the timing chain. The valve is opened and closed according to the cam shape at this time.
Construction
The camshaft is installed to the cylinder head.

The intake camshaft is a five-bearing type and the exhaust camshaft is a six-bearing type.
The camshaft thrust force is suppressed by the No.1 journal.
The camshaft has the following parts shown in the figure.

Valve timing
Type A

Type B

Camshaft Position (CMP) Sensor
Cylinder Head CoverRear Door Quarter Glass Removal/Installation
1. Fully lower the rear door glass.
2. Disconnect the negative battery cable..
3. Remove the rear door trim..
4. Remove the rear door weather strip arrow (1) shown in the figure.
5. Remove the service hole cover No.1 arrow (2) shown in the figure.
CAUTION:
When removing service ...
Remote Transmitter Battery Voltage Inspection
NOTE:
Because the remote transmitter battery power cannot be determined using the
battery itself, determine by the remote transmitter battery low warning operation
conditions.
Operation procedure for remote transmitter battery low warning
1. Place the remote transmitter inside t ...
Reporting Safety Defects (U.S.A.)
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying Mazda Motor Corporation (Your
Mazda Importer/Distributor).
If NHTSA receive ...