
Diagnostic procedure


Dtc b1921
Dtc b1996, b1997, b1998, b1999Mazda 6 Service Manual: Air filter inspection
1. Remove the air filter.
2. Inspect the air filter.
If the air filter is damaged, excessively dirty, or foul smelling,
replace the air filter.
Note
The air filter cannot be reused by cleaning it with water or
compressed air.
Replace the air filter at the following interval, depe ...
Mazda 6 Service Manual: TCS/DSC Indicator Light
This indicator light stays on for a few seconds when the ignition is switched
ON. If the TCS or DSC is operating, the indicator light flashes.
If the light stays on, the TCS, DSC or the brake assist system may have a malfunction
and they may not operate correctly. Take your vehicle to an Auth ...