Lexus NX: System Diagram
Lexus NX Service Manual / Vehicle Exterior / Door / Hatch / Back Door Closer System / System Diagram
SYSTEM DIAGRAM
Communication Table | Transmitting ECU | Receiver ECU | Signal | Communication Method |
|---|---|---|---|
| Certification ECU (Smart Key ECU Assembly) | Main Body ECU (Multiplex Network Body ECU) | Back door opener switch assembly signal | CAN |
| Main Body ECU (Multiplex Network Body ECU) | Multiplex Network Door ECU | Back door opener switch assembly signal | CAN |
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System Description
SYSTEM DESCRIPTION BACK DOOR CLOSER SYSTEM DESCRIPTION (a) Operating any back door opener switch assembly when the back door is fully closed inputs a request signal to the multiplex network door ECU.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
The back door closer system troubleshooting procedure is based on the premise that the power back door system is operating normally. Check the power back door system f
Operation Check
OPERATION CHECK CHECK BASIC FUNCTIONS (a) When the back door is partially closed, check that the motor operates to fully close (lock) the back door. (b) Check that the back door can be opened. (c) Whe
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Terminals Of Ecu
TERMINALS OF ECU NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.
Click here
When disconnecting and reconnecting the auxiliary battery.
Click here HINT: When disconnecting and reconnecti
Drive Motor "B" Position Sensor Circuit Range / Performance (P0A46-695,P0A46-814)
DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that a large current flowed through the inverter for the rear motor. The cause of this malfunction may be one of the following: Internal inverter malfunction
Internal circuit malfunction in the inverter for the rear motor
Rear traction m
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