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Infiniti
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1999
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Q45 t
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Repair and Diagnosis
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Multiplex Control Systems
Multiplex Control Systems
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Description & Operation
Notes
Body Control Module (BCM)
Local Control Unit (LCU)
Sleep/Wake-Up Control Mode
Fail-Safe Control Mode
Component Locations
Self-Diagnostics
Notes
Self-Diagnostics Using Indicator Lights
Notes
Mode I (LAN Communication Check)
Mode II (Switch Signal Monitor)
Mode III (Power Door Lock Operation)
Mode IV (Power Window)
Mode V (Automatic Positioning System)
Clearing Codes
Self-Diagnostics Using Scan Tool
Notes
LAN Communications Check
Wake-Up Diagnosis
Clearing Codes Using Scan Tool
System Tests
Notes
Power Supply Circuit Check
Body Control Module (BCM)
Local Control Units (LCUs)
Ground Circuit Check
Body Control Module (BCM)
Local Control Units (LCUs)
Data Line Circuit Check
Testing For Open In Data Line
Testing For Short In Data Line
Wiring Diagrams