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: Idle air control (iac) valve inspection
Note
Perform the following inspection only when directed.
Operation Test
Carry out the Idle Air Control Inspection. (See Idle Air Control System
Inspection.)
If not as specified, perform the further inspection for the IAC valve.
Resistance Inspection
1. Disconnect the negative batt ...
Mazda 6 Service Manual: Clock spring inspection
1. Remove the clock spring.
2. Inspect for continuity between the clock spring terminals using an
ohmmeter.
If not as specified, replace the clock spring.
Note
When the vehicle-side connector of clock spring is disconnected,
the terminals 1A,1B, 1C and 1D are shorted to prevent ...