Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

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

No.6 cranks normally but will not start

Other materials:

Mazda 6 Service Manual: Abs (abs/tcs) hu/cm removal/installation
Caution When replacing the ABS (ABS/TCS) HU/CM, configuration procedure must be done before removing the ABS (ABS/TCS) HU/CM. If configuration is not completed before removing the ABS (ABS/TCS) HU/CM, TCS will not work properly (with TCS model). Do not drop the ABS (ABS/TCS) HU/CM. Re ...

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. ...