1. Operate the front door glass so that the distance from the top of the front door glass to the upper part of the rear beltline molding is 210 mm {8.3 in}.
2. Disconnect the negative battery cable.
3. Remove the front door trim.
4. Remove the hole cover.
5. Remove the screws.
6. Insert your hand in hole of the front door unit, and lift out the front door glass.
7. Install in the reverse order of removal.
Mazda 6 Service Manual: Dtc b1318
Caution
When attaching the tester lead to the ABS (ABS/TCS) HU/CM harness
connector, the SST (49 G066 001) must be used. (See ABS (ABS/TCS) HU/CM
INSPECTION.)
Diagnostic procedure
...
Mazda 6 Service Manual: HomeLink Wireless Control System (Some models)
NOTE
HomeLink and HomeLink house icon are registered trademarks of Gentex Corporation.
The HomeLink system replaces up to 3 hand-held transmitters with a single built-in
component in the auto-dimming mirror. Pressing the HomeLink button on the auto-dimming
mirror activates garage doors, gates ...