Battery
Inspect the battery in the following procedure.

Test load chart

Battery positive voltage with load

Back-up Current
1. Verify that the engine switch is at OFF and that the key has been removed.
2. Disconnect the negative battery cable.
3. Measure the back-up current between the negative battery terminal and the negative battery cable.
- Inspect and repair harnesses and connectors of the fuse at which the current decreases.
Back-up current
20 mA max.
Caution
Battery removal/installation
Battery rechargingMazda 6 Service Manual: Essential Information
Introduction
Be careful not to hurt yourself when inspecting your vehicle, replacing a tire,
or doing some kind of maintenance such as car washing.
In particular, wear thick work gloves such as cotton gloves when touching areas
that are difficult to see while inspecting or working on your vehi ...
Mazda 6 Service Manual: No.2 air bag system warning light is illuminated all the time
Diagnostic Procedure
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure connec ...