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) - 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:

 Right Headlight ECU Malfunction (B242C,B242D)

DESCRIPTION These DTCs are output when an internal malfunction in the headlight ECU sub-assembly occurs. The headlight ECU sub-assembly LH outputs DTC B242C and B242D. DTC No. Detection Item DTC Detection Condition Trouble Area B242C Right Headlight ECU Malfunction Headlight ECU sub

 Installation

INSTALLATION PROCEDURE 1. INSTALL NO. 2 FOLD SEAT SWITCH ASSEMBLY (for Rear Side) (a) Connect the connector. (b) Attach the 2 claws to install the No. 2 fold seat switch assembly. 2. INSTALL REAR POWER SEAT SWITCH (for Rear Seat) HINT: Use the same procedure for both re

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