Q45 V8-4.5L (VK45DE) (2002)
and all LCU's. The whole IVMS is set in the "sleep" mode.
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Ignition switch "OFF"
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All electrical loads (in the IVMS) "OFF"
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Timer "OFF"
Wake-up Control
WAKE-UP CONTROL
As shown above, when the BCM detects a "wake-up" signal, it wakes up the whole system and starts communicating again. The "sleep" mode of all
LCU's is now canceled, and the BCM returns to the normal control mode. When any one of the following switches are turned ON, the "sleep" mode is
canceled:
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All switches combined or connected with BCM
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All switches combined or connected with LCU
Controller Area Network (CAN) Communication System
System Diagram