1. Remove the liftgate upper trim.
2. Remove the liftgate side trim.
3. Pull the handle toward you, then remove the handle.

4. Pull the liftgate lower trim toward you, then disengage clips A, B and pins C, D from the body.
5. Remove the liftgate lower trim.
6. Install in the reverse order of removal.
Liftgate side trim removal/installation
HeadlinerMazda 6 Service Manual: Instrument cluster removal/installation
Caution
When replacing the instrument cluster, the configuration procedure must be
performed before removing the instrument cluster. If the configuration procedure
is not performed before removing the instrument cluster, it is possible that the
instrument cluster will not operate normally. ...
Mazda 6 Service Manual: Running light unit inspection
1. Connect the connector to the running light unit.
2. Connect the negative battery cable.
3. Measure the voltage at the running light unit using voltmeter.
When inspecting terminal D, H or P for continuity, disconnect the running light unit connector.
4. If the value are not as specif ...