Lexus NX: Diagnosis System

DIAGNOSIS SYSTEM

DIAGNOSIS FUNCTION

(a) If a malfunction is detected in the millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores DTCs without directly informing the driver, and sends malfunction signals to the systems that use the millimeter wave radar sensor assembly.

Those systems then notify the driver.

HINT:

Refer to "HOW TO PROCEED WITH TROUBLESHOOTING" when troubleshooting for the Pre-collision System.

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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 / Front Radar Sensor /

 Freeze Frame Data

FREEZE FRAME DATA DESCRIPTION (a) Whenever a front radar sensor system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAM

 Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) If a malfunction is detected in the front radar sensor system, a message is displayed on the multi-information display and systems related to the malfunction are

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 Rear Door LH Entry Lock Function does not Operate

DESCRIPTION If the entry lock function does not operate for the rear door LH only, but the entry unlock function operates, the request code is being transmitted properly from the rear door LH. In this case, there may be a problem related to the lock sensor (connection between the certification ECU (

 Removal

REMOVAL PROCEDURE 1. REMOVE MAP LIGHT ASSEMBLY (PERSONAL LIGHT) (a) Using moulding remover D, detach the 4 clips. (b) Disconnect the connectors and remove the map light assembly (personal light).

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