
Diagnostic procedure

Dtc b1213Mazda 6 Service Manual: Starter inspection
On-vehicle Inspection
1. Verify that the battery is fully charged.
2. Crank the engine and verify that the starter rotates smoothly without any
noise.
If not, inspect the following.
- Remove the starter and inspect the magnetic switch and the starter.
- Inspect the related wiring har ...
Mazda 6 Service Manual: Input/turbine speed sensor inspection
Caution
Water or foreign objects entering the connector can cause a poor
connection or corrosion. Be sure not to drop water or foreign objects on the
connector when disconnecting it.
1. Disconnect the negative battery cable.
2. Remove the battery and battery tray.
3. Remove the air cl ...