
Diagnostic procedure

Dtc b1992, b1993, b1994, b1995
Dtc b2228, b2230, b2232, b2234Mazda 6 Service Manual: Seat warmer switch removal/installation
1. Disconnect the negative battery cable.
2. Remove the brake boots panel. (See CONSOLE REMOVAL/INSTALLATION.)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Seat Warmer Switch Removal Note
Squeeze the tabs of seat warmer switch and pull it forwar ...
Mazda 6 Service Manual: Heater core inspection
1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.)
2. Remove the heater core from the A/C unit.
3. Inspect for cracks, damage, and coolant leakage.
If any problems are found, replace the heater core.
4. Inspect for bent fins.
If any are bent, use a flathead screwdriver to stra ...