Mazda CX-9 2007 Service Highlights page 611

Sleep Control
• When determination is made with all of the following conditions met and no occupants in the vehicle, the BCM
initiates sleep control and controls power consumption.
— Ignition switch is in the LOCK position
— Fifteen hours have elapsed since the ignition switch was in the LOCK position
• If any one of the following operations is performed, the BCM returns to normal control.
— Ignition switch is turned to the ON position.
— The key is inserted in the steering lock.
— A door or the liftgate is opened
— The steering wheel is operated
• During sleep control, the power supply voltage to the steering angle sensor becomes intermittent to control
power consumption.
Note
• If sudden maneuvering is performed during slip control, the steering angle reference point stored in the
BCM could be cleared. Perform the steering angle sensor initialization referring to the Workshop Manual.
End Of Sie
CONTROL SYSTEM
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