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: Troubleshooting procedure
Basic flow of troubleshooting
DTC troubleshooting flow (on-board diagnostic)
Diagnostic trouble codes (DTCs) are important hints for repairing
malfunctions that are difficult to simulate.
Perform the specific DTC diagnostic inspection to quickly and accurately
diagnose the malfunction.
The ...
Mazda 6 Service Manual: Vehicle speedometer sensor removal/installation
Without ABS
1. Disconnect the negative battery cable.
2. Remove the battery and battery tray.
3. Remove the air cleaner compornent. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
4. Disconnect the vehicle speedometer sensor connector.
5. Remove the vehicle speedometer sensor.
6. Apply transmi ...