1. Disconnect the negative battery cable.
2. Jack up the vehicle.
3. Remove in the order indicated in the table.


4. Install in the reverse order of removal.
5. Adjust the headlight zeroset. (See HEADLIGHT ZEROSET)
Front auto leveling sensor removal/installation
Parking light bulb removal/installationMazda 6 Service Manual: No.1 while vehicle is in reverse, vehicle locator mark goes forward
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 connectors, terminals and wiri ...
Mazda 6 Service Manual: Instrument cluster inspection
Speedometer
Using the input/output check mode
Inspect the speedometer by setting it in the input/output check mode DTC 12.
Using a speedometer tester
1. Adjust the tire air pressure to the specification.
2. Using a speedometer tester, verify that the speedometer indication is
within the allow ...