
Diagnostic procedure

Dtc 09:er20
Dtc 03:er10Mazda 6 Service Manual: Rear beltline molding removal
Note
When removing the rear beltline molding, the clip may be damaged.
If the clip is damaged, replace it with a new one.
1. Pull the A section upward and remove the clip.
2. Rotate the B section of the front beltline molding in direction (2), along
the direction (1) shown in the figu ...
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 ...