Operating Inspection
1. Verify that the starter operates only when the ignition switch is at the START position with the selector lever in P or N position.
2. Verify that the back-up lights illuminate when shifted to R position with the ignition switch at the ON position.
Continuity Inspection
Caution
1. Disconnect the negative battery cable.
2. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
3. Disconnect the TR switch connector.

4. Inspect for continuity at the TR switch.

5. Reinspect for continuity at TR switch.
6. Connect the TR switch connector.
7. Install the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
8. Connect the negative battery cable.
Hold switch removal/installation
Transaxle range (tr) switch removal/installationMazda 6 Service Manual: Oil pressure switch inspection
Caution
Water or foreign objects entering the connector can cause poor
connection or corrosion. Be sure not to drop water or foreign objects on the
connector when disconnecting it.
On-vehicle Inspection (harness inspection)
1. Disconnect the negative battery cable.
2. Remove the under ...
Mazda 6 Service Manual: Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
This vehicle will perform best with fuel listed in the table.
* U.S. federal law requires that octane ratings be posted on gasoline st ...