Mazda 6 Service Manual: No.3 will not crank

No.2 mil illuminates

No.4 hard to start/long crank/erratic start/erratic crank

Other materials:

Mazda 6 Service Manual: Key Battery Replacement
If the buttons on the transmitter are inoperable and the operation indicator light does not flash, the battery may be dead. Replace with a new battery before the transmitter becomes unusable. CAUTION Make sure the battery is installed correctly. Battery leakage could occur if it is not in ...

Mazda 6 Service Manual: Clutch switch inspection
Note Perform the following inspection only when directed. Continuity Inspection 1. Verify that the clutch switch is installed properly. 2. Disconnect the negative battery cable. 3. Remove the clutch switch. 4. Inspect for continuity between the clutch switch terminals using an ohmmeter. ...