
Diagnostic procedure

No.3 there is a malfunction in the system even though abs warning light,
brake system warning light, dsc indicator light and tcs-off light do not
illuminate
No.5 dsc*2 operates frequently/dsc does not work correctly*2: dsc indicator
light goes on and off while dsc operatesMazda 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 ...
Mazda 6 Service Manual: No. 1 one or more on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...