Lexus NX: Terminals Of Ecu

TERMINALS OF ECU

CHECK FORWARD RECOGNITION CAMERA

NOTICE:

  • DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
  • Do not apply larger loads than necessary since the connector may be damaged.

(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

T18-7 (IGB) - Body ground

LA-P - Body ground

Power source

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

T18-1 (HTR) - Body ground

B - Body ground

Forward recognition with heater hood sub-assembly operation signal

Power switch on (IG), forward recognition with heater hood sub-assembly not operating

11 to 14 V

Power switch on (IG), forward recognition with heater hood sub-assembly operating

Below 1 V

T18-10 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

READ NEXT:

 Diagnosis System

DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The front camera system does not have a notification function such as a warning light when a DTC is detected. When a malfunction occurs, it stores a DTC and sen

 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: Chassis / Front Recognition Camera / T

 Freeze Frame Data

FREEZE FRAME DATA DESCRIPTION (a) When a front camera system DTC is stored, the forward recognition camera stores the current vehicle (ECU or sensor) state as Freeze Frame Data. CHECK FREEZE FRAME DAT

SEE MORE:

 Parts Location

PARTS LOCATION ILLUSTRATION *A w/o AVS - - *1 FRONT AXLE HUB SUB-ASSEMBLY RH - FRONT SPEED SENSOR ROTOR RH *2 FRONT SPEED SENSOR RH *3 FRONT AXLE HUB SUB-ASSEMBLY LH - FRONT SPEED SENSOR ROTOR LH *4 FRONT SPEED SENSOR LH *5 REAR SPEED SENSOR RH *6 REAR AXLE HU

 Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure described below is for the LH side. PROCEDURE 1. INSTALL CLEARANCE LIGHT ASSEMBLY LH (a) Attach the 2 claws to install the clearance light assembly LH. (b) Install the 3 screws and clip.

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