Note
1. Turn the ignition switch to the ACC or ON position.
2. First press the POWER button, then simultaneously press the AM button and TAPE/MD button for 2 seconds or more.


Note
3. To stop the on-board diagnostic test mode, turn the ignition switch to the LOCK position.
Supplier identification procedureMazda 6 Service Manual: Air intake actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the air intake actuator.
2. Verify that the air intake actuator operates as shown below.
If not as specified, replace the air intake actuator.
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Mazda 6 Service Manual: Foreword
Caution
When the engine does not start or stalls and the following DTCs
are not indicated, go to engine symptom troubleshooting.
Note
When the immobilizer system is defective, the engine cannot be
started.
If engine condition is normal but light stays on, inspect for
short circ ...