Mazda 6 Service Manual: Dtc 09:er22

Dtc table

*1,*2 : When an error occurs, the error messages are displayed three times in the order of *1 and *2, respectively. ...

Dtc 09:er20

Diagnostic procedure ...

Other materials:

Mazda 6 Service Manual: Control system
L.H.D. R.H.D. ...

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 ...