Mazda 6 Service Manual: Dtc 22

Dtc 21

Dtc 58

Other materials:

Mazda 6 Service Manual: Foreword
Outline There are two on-board diagnostic functions: Operation mode, which inspects for and indicates correct operation of the input signals to the control module, and condition detection mode, which indicates troubles in the system. The two functions can be done using either of the f ...

Mazda 6 Service Manual: Obd drive mode
Performing the Drive Mode inspects the OBD system for proper operation. The Drive Mode must be performed to ensure that no additional DTCs are present. During Drive Mode, the following systems are inspected: - Oxygen sensor (HO2S) - Oxygen sensor heater - Catalytic converter (TW ...