
Diagnostic procedure

Dtc c1414
Dtc c1510, c1511, c1512, c1513Mazda 6 Service Manual: Variable air duct (vad) shutter valve inspection (l3)
1. Remove the air cleaner case. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VAD shutter valve actuator.
3. Connect a vacuum pump to the VAD shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
If the rod dose not move, replace the a ...
Mazda 6 Service Manual: No.4 air intake mode does not change
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while performing 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, terminal ...