
Diagnostic procedure



Dtc p0662
Dtc p0704Mazda 6 Service Manual: Dsc hu/cm inspection
1. Remove the battery and battery bracket.
2. Disconnect the DSC HU/CM connector.
3. Connect the SST (49 G066 004) to the DSC HU/CM connector and
harness side connector.
4. Inspect voltage referring the table below.
Terminal Voltage Table (reference value)
(Ignition switch is at ON, and conne ...
Mazda 6 Service Manual: Airflow mode actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the airflow mode actuator.
2. Verify that the airflow mode actuator operates as shown below.
If not as specified, replace the airflow mode actuator.
3. Verify that the resistance between the ter ...