Lexus NX: Terminals Of Ecu

TERMINALS OF ECU

NOTICE:

  • Turning the power switch on (IG) with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed.
  • Do not apply excessive force to the millimeter wave radar sensor assembly connector.

CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY

(a) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

B10-8 (IGB) - B10-1 (SGND)

R - W

Power source

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

B10-1 (SGND) - Body ground

W - Body ground

Ground

Always

Below 1 Ω

READ NEXT:

 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

 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

SEE MORE:

 Replacement

REPLACEMENT PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (a) Turn the power switch on (READY). (b) Operate the cooler compressor under the conditions shown below: Item Condition Operating time 3 minutes or more Temperature setting Max cool Blower speed High E

 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: Do not replace the spiral with sensor cable sub-assembly with the battery connected and the power switch on (IG). Do not rotate the spiral with sensor cable sub-assembly when the following conditions are met: 1) The steering wheel is removed, 2) the

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