Lexus NX manuals

Lexus NX: Terminals Of Ecu

Lexus NX Service Manual / Vehicle Interior / Pre-collision / Pre-collision System / 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) - T18-10 (GND)

GR - W-B

Power source

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

T18-10 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY

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 Diagnosis System

DIAGNOSIS SYSTEM FUNCTION OF WARNING INDICATOR AND MESSAGE (a) If the pre-collision system is not functioning properly, the driver is warned by the PCS warning light and a warning message displayed on

 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 / Pre-Collision System

 Freeze Frame Data

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

SEE MORE:

 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 / Driver Seat / Trouble Codes. Body Electrical > Driver Seat > Trouble Codes (e) Check for DTCs. CLEAR DTC (a) Conne

 Black Screen

PROCEDURE 1. CHECK DISPLAY SETTING (a) Check that the display is not in screen off mode. OK: The display setting is not in screen off mode. NG CHANGE SCREEN TO SCREEN ON MODE OK 2. CHECK IMAGE QUALITY SETTING (a) Check that the display settings (contrast,

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