When Liftgate Cannot be Opened
If the vehicle battery is dead or there is a malfunction in the electrical system and the liftgate can not be opened, perform the following procedure as an emergency measure to Open it: 1. Remove the cap on the interior surface of the liftgate with a flathead screwdriver.

2. Turn the lever to the right to unlock the liftgate.

After performing this emergency measure, have the vehicle inspected at an Authorized Mazda Dealer as soon as possible.
Warning Sound is Activated
Customer Information and Reporting Safety DefectsMass Air Flow (MAF) Sensor
Purpose/Function
Detects the intake airflow amount introduced into the cylinder as basic information
for mainly determining the fuel injection amount.
Detects the intake airflow amount introduced into the cylinder and inputs
it to the PCM as an intake airflow amount signal.
...
A/C Compressor
Purpose
The A/C compressor circulates the refrigerant in the refrigerant cycle.
The A/C compressor compresses the gaseous refrigerant atomized by the evaporator,
and by pressurizing the gaseous refrigerant, liquification by the condenser
is facilitated.
Function
The ...
Oil Control Valve (OCV) Inspection [Skyactiv G 2.0]
Coil Resistance Inspection
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Disconnect the OCV connector.
4. Measure the resistance between terminals A and B using an ohmmeter.
OCV coil resistance
6.9—7.5 ohms [20°C {68°F}]
If ...