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 CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the I50 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Wiring Color Terminal Description Condition Specified Co
Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS MODE FUNCTION (a) w/ Lane Centering Function: When a malfunction occurs in the lane tracing assist system system, the LTA indicator light illuminates yellow and a message is displayed on the multi-information display. Warning Message Details DTC/RoB LTA Indicator
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