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:

 Dtc Check / Clear

DTC CHECK / CLEAR DTC CHECK/CLEAR (a) Check for DTCs. (1) Connect the Techstream to the DLC3. (2) Turn the power switch on (IG). (3) Turn the Techstream on. (4) Read the DTCs following the prompts on the Techstream screen. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes. Chassis &g

 Replacement

REPLACEMENT PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER Click here 2. DRAIN COOLANT (for Inverter Coolant) NOTICE: Collect the drained coolant and measure its volume to establish a benchmark. When adding coolant, make sure to add more coolant than the measured amount. (a) Remove the inverter re

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