Mazda CX-9 Grand Touring 2009 Manual page 559

INSPECTION [MZI-3.7] .)
3. Turn off all electrical loads.
4. Start the engine.
5. Verify that the generator rotates smoothly without any noise while the engine is running.
If there is any noise, find the cause and repair or replace the generator.
6. Measure the voltage at each terminal using a tester.
If it is not as specified, find the cause and repair or replace the applicable part.
Generator standard voltage [IG-ON]
Terminal B: B+
Terminal A: B+
Terminal RC: Approx. 1 V or less
Terminal LI: Approx. 1 V
Generator standard voltage [Idle, 20°C {68 °F}]
Terminal B: 12-16 V
Terminal A: 12-16 V
Terminal RC: 0-16 V
Terminal LI: 1-16 V
Fig. 7: Identifying Connector Terminal
Courtesy of MAZDA MOTORS CORP.
Current
NOTE:
Since the charging current decreases rapidly after starting the engine,
carry out the following procedure quickly, and read the maximum current
2008 Mazda CX-9 Grand Touring
2008 ENGINE Charging System (MZI-3.7) - Mazda CX-9