Caution
1. Disconnect the negative battery cable.
2. Remove the under cover.
3. Disconnect the VSS connector.
4. Remove the VSS.
5. Apply ATF to a new O-ring and install it on a new VSS.
6. Install the VSS.
Tightening torque
8-11 N·m {82-112 kgf·cm, 71-97 in·lbf}
7. Connect the VSS connector.
8. Install the under cover.
9. Connect the negative battery cable.
Mazda 6 Service Manual: Cargo compartment light switch inspection
1. Remove the liftgate lower trim. (See LIFTGATE LOWER TRIM
REMOVAL/INSTALLATION)
2. Disconnect the cargo compartment light switch connector.
3. Inspect for continuity between the cargo compartment light switch
terminals using an ohmmeter.
If not as specified, replace the liftgate lock.
...
Mazda 6 Service Manual: Steering gear and linkage inspection
Rack Inspection
1. Inspect the rack for cracking, damage, and tooth wear. Replace it as
necessary.
2. Measure the runout of the rack.
Runout
Near point A: 0.15 mm {0.006 in} max.
Near point B: 0.20 mm {0.008 in} max.
3. If not within the specification, replace the rack.
Tie-rod End ...