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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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the pre-collision system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the engine
Parts Location
PARTS LOCATION ILLUSTRATION *1 ENGINE ROOM RELAY BLOCK
- AM2 FUSE
- - ILLUSTRATION *A w/o Power Back Door System *B w/ Power Back Door System *1 BACK DOOR LOCK ASSEMBLY *2 BACK DOOR LOCK ASSEMBLY *3 BACK DOOR OPENER SWITCH ASSEMBLY *4 FRONT DOOR COURT
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