1. Inspect for resistance between the front door speaker terminals using an ohmmeter.


2. To verify that the front door speaker outputs sound, apply voltage to the front door speaker and release using a 1.5-V battery.
Front door speaker removal/installation
Rear door speaker removal/installationMazda 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: Engine Start Function When Key Battery is Dead
CAUTION
When starting the engine by holding the transmitter over the push button start
due to a dead key battery or a malfunctioning key, be careful not to allow the following,
otherwise the signal from the key will not be received correctly and the engine
may not start.
Metal parts of ot ...