Warning
Caution
1. Place a battery in a pan of water to prevent it from overheating.
2. The water level should come up about halfway on the battery.
3. Remove the battery plugs while charging the battery.
4. Keep water off the top of the battery.
Caution
5. Connect a battery charger to the battery.
6. Adjust the charging current as follows.


Battery inspection
Generator removal/installationMazda 6 Service Manual: Overheating
If the high engine coolant temperature warning light turns on, the vehicle loses
power, or you hear a loud knocking or pinging noise, the engine is probably too
hot.
WARNING
Pull over to a safe location,
then switch the ignition off and make sure the fan is not running before attempting
t ...
Mazda 6 Service Manual: Door lock timer unit inspection
1. Measure the voltage at the door lock timer unit terminals (other than
terminal 1E and 2W) as indicated below.
If not as specified, inspect the parts listed under Action.
2. Disconnect the negative battery cable.
3. Disconnect the door lock timer unit connector and inspect for continuity ...