Mazda 6 Service Manual: Dtc 21

Dtc 19

Dtc 22

Other materials:

Mazda 6 Service Manual: Cooling system service warnings
COOLING SYSTEM SERVICE WARNINGS Warning Never remove the radiator cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling sys ...

Mazda 6 Service Manual: Diagnostic trouble code number inspection
1. Remove the glove compartment. 2. Short the A/C check connector to the GND terminal using a jumper wire. 3. Shine a 60 W incandescent light from a height of approximately 100 mm {3.9 in} onto the solar radiation sensor. Note When incandescent light does not shine on the solar radiatio ...