FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

DTC 12

The ECU detected an open or shorted circuit. (An abnormally high or low voltage is entered.)



Code 12 - Air Flow Meter Diagnostic Chart:





DIAGNOSTIC CHART IMAGE

Mass Air Flow Sensor:





CIRCUIT DIAGRAM IMAGE

Connector Location:





ELECTRICAL CONNECTORS IMAGE

Final Check:





FINAL CHECK IMAGE