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:

 Disassembly

DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE REAR DOOR UPPER OUTSIDE MOULDING PAD (a) Remove the rear door upper outside moulding pad. 2. REMOVE REAR DOOR NO. 1 MOUL

 Fail-safe Chart

FAIL-SAFE CHART If a problem occurs in the power steering system, the power steering assist will be stopped or the amount of power assist will be decreased to protect the system. Power Steering System Malfunction Fail-safe Operation Power steering warning light Buzzer Torque sensor (

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