Mazda 6 Service Manual: Dtc c1953, c1954

Dtc c1510, c1511, c1512, c1513

Diagnostic procedure ...

Dtc c1955, c1956

Caution When attaching the tester lead to the DSC HU/CM connector the SST (49 G066 004) must be used. Diagnostic procedure ...

Other materials:

Mazda 6 Service Manual: Discharge headlight control unit removal/installation
Caution Incorrect servicing of the discharge headlight control unit could result in electrical shock. Before servicing the discharge headlight control unit, always refer to the Discharge headlight service warnings. (See DISCHARGE HEADLIGHT SERVICE WARNINGS) When replacing the discharg ...

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 ...