Lexus NX: System Diagram
SYSTEM DIAGRAM

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CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.
Click here
*: Use the Techstre
ROAD TEST HINT:
The dynamic radar cruise control system has 2 cruise control modes: constant speed control mode and vehicle-to-vehicle distance control mode.
Vehicle-to-vehicle distance control m
OPERATION CHECK INPUT SIGNAL CHECK (a) Connect the Techstream to the DLC3. (b) Check the cruise control main switch using the Data List function of the Techstream (ON-OFF, -SET, +RES and CANCEL).
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COMPONENTS ILLUSTRATION *A w/o Power Back Door *B w/ Power Back Door *1 BACK DOOR FINISH COVER LH *2 BACK DOOR FINISH COVER RH *3 BACK DOOR LOCK ASSEMBLY (BACK DOOR COURTESY SWITCH) *4 BACK DOOR LOCK COVER *5 BACK DOOR SIDE GARNISH LH *6 BACK DOOR SIDE GARNISH
TERMINALS OF ECU *1 Main body ECU (multiplex network body ECU) - - CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b)