Mazda 6 Service Manual: Dtc p0420

Dtc p0403

Dtc p0443

Other materials:

Mazda 6 Service Manual: Air mix actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the air mix actuator. 2. Verify that the air mix actuator operates as shown below. If not as specified, replace the air mix actuator. e 3. Verify that the resistance between the terminals of the ...

Mazda 6 Service Manual: Engine coolant
ENGINE COOLANT LEVEL INSPECTION Verify that the coolant level in the coolant reservoir is between the F and L marks. If the engine coolant level is below L, remove the radiator cap and add coolant. (See COOLING SYSTEM SERVICE WARNINGS.) ENGINE COOLANT REPLACEMENT Warning Drain the ...