Note

1. Verify the concern.
2. Turn the ignition switch to LOCK position.
3. Disconnect the negative battery cable.
4. Connect the negative battery cable.
5. Turn the ignition switch to ON position.
6. Verify that the needle returns to zero.
Instrument cluster inspection
Instrument cluster input/output check modeMazda 6 Service Manual: Dehumidifying (With air conditioner)
Operate the air conditioner in cool or cold weather to help defog the windshield
and side windows.
1. Set the mode selector dial to the desired position.
2. Set the air intake selector to the outside air position (indicator light turns
off).
3. Set the temperature control dial to the desired ...
Mazda 6 Service Manual: Variable tumble control solenoid valve inspection
1. Remove the variable tumble control solenoid valve. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable tumble control solenoid valve.
If as specified, carry out the Circuit Open/Short ...