
Diagnostic procedure

Dtc b1213Mazda 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 ...
Mazda 6 Service Manual: How to Use Pandora® (Some models)
What is Pandora®?
Pandora®*1 is free personalized Internet radio. Simply enter a favorite artist,
track, genre, and Pandora® will create a personalized station that plays their music
and more like it. Rate songs by giving thumbs-up and thumbs-down feedback to further
refine your station, d ...