Warning
1. Disconnect the negative battery cable.
2. Remove the under cover.
3. Disconnect the cord assembly connector.

4. Remove the oil pressure switch.
5. Install the oil pressure switch.
Tightening torque 17.1-22.1N·m {1.75-2.25kgf·m, 13-16ft·lbf}
6. Connect the oil pressure switch connector.
7. Install the under cover.
8. Connect the negative battery cable.
Oil pressure switch inspection
Input/turbine speed sensor inspectionMazda 6 Service Manual: Generator inspection
Generator Warning Light
1. Verify that the battery is fully charged.
Charge if necessary.
2. Verify that the drive belt deflection/tension is correct. (See DRIVE BELT
INSPECTION.)
If not as specified, replace the drive belt.
3. Turn the ignition switch to ON and verify that the gene ...
Mazda 6 Service Manual: No.1 air bag system warning light does not illuminate
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 ...