Lexus NX: System Diagram
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System / System Diagram
SYSTEM DIAGRAM
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.
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*: Use the Techstre
Road Test
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
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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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Pre-Collision System / Trouble Codes. Body Electrical > Pre-Collision System > Trouble Codes (e) Check for DTCs.
Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH (a) Check that the LED illuminates. (1) Apply 6.0 V (4 dry cell batteries in series) to each terminal and check the illumination state of the light. OK: Measurement Condition Specified Condition Battery positive (+) â
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