Warning
Fuel Line Safety Procedure
1. Remove the fuel-filler cap and release the pressure in the fuel tank.
2. Remove the fuel pump relay.

3. Start the engine.
4. After the engine stalls, crank the engine several times.
5. Turn the ignition switch to LOCK position.
6. Install the fuel pump relay.
Fuel system
After repair procedureMazda 6 Service Manual: Oil leakage inspection
Use either of the following procedures to identify the type of oil that
is leaking:
Using UV Light (Black Light)
1. Remove on the engine or transaxle.
Note
Referring to the fluorescent dye instruction manual, mix the
specified amount of dye into the engine oil or ATF (or transaxle ...
Mazda 6 Service Manual: Dsc hu/cm inspection
1. Remove the battery and battery bracket.
2. Disconnect the DSC HU/CM connector.
3. Connect the SST (49 G066 004) to the DSC HU/CM connector and
harness side connector.
4. Inspect voltage referring the table below.
Terminal Voltage Table (reference value)
(Ignition switch is at ON, and conne ...