1. Remove the charge air cooler cover..
2. Remove the charge air cooler..
3. Remove the air bypass valve..
4. Plug ports A and B.

5. Verify that there is no air leakage when air is sent from port C.
If there is leakage, replace the charge air cooler..
Forced Induction
Input/Turbine Speed Sensor Inspection [FS5 A EL]Oil Pressure Switch Inspection
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before removing the exhaust system.
1. Disconnect the negative battery cable..
2. Remove the aerodynamic under cover No.2..
3. Remove the oil pressur ...
Door Lock Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front inner handle..
5. Inspect for continuity between the door lock switch terminals using an ohmmeter.
If not as indicated in the table, replace the door lock ...
Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights or the indicator light turns on/flashes, the system may
have a malfunction. Contact an Authorized Mazda Dealer to have your vehicle
inspected.
...