If any of the following warning lights turns on, the system may have a malfunction. Stop the vehicle in a safe place immediately and contact an Authorized Mazda Dealer.



If a Warning Light Turns On or Flashes
Contact Authorized Mazda Dealer and Have Vehicle InspectedWindshield Defrosting and
Defogging
Set the mode selector dial to the
position.
Set the temperature control dial to the
desired position.
Set the fan control dial to the desired
speed.
If dehumidified heating is desired, turn
on the air conditioner.
WARNING
Do not defog the windshield using the
pos ...
Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Perform the following procedures, DTC P0421:00 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification..
...
Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]
Coil Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the OCV connector.
5. Measure the resistance between terminals A and B using an ohmmeter.
OCV coil resistance
6.9—7.9 ohms [20°C ...