Warning
Warning
Caution
1. Turn the ignition switch to LOCK position.
2. Disconnect the negative battery cable and wait for more than 1 minute.
3. Remove the B-pillar lower trim.
4. Using a screwdriver, pry out the pre-tensioner seat belt connector's stopper plate.

5. Disconnect the pre-tensioner seat belt connector.
6. Remove the covers.

7. Remove the bolts and screw, then remove the front seat belt.
8. Install in the reverse order of removal.
9. Verify that the air bag system warning light illuminates for approximately 6 seconds
and then goes off.
Seat belt
Rear side seat belt removal/installationMazda 6 Service Manual: No.4 passenger-side air bag cut-off indicator light is illuminated all the
time
Diagnostic Procedure
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 connec ...
Mazda 6 Service Manual: Dual proportioning valve inspection (without abs)
1. Connect the SSTs to the brake pipes as shown in the figure.
2. Bleed the air from the brake system.
3. Measure the fluid pressure of the master cylinder and the rear brake.
If not within the specification, replace the dual proportioning valve.
Fluid pressure
...