Lexus NX: Terminals Of Ecu

TERMINALS OF ECU

CLOCK ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I163-1 (ILL-) - Body ground

G - Body ground

Illumination signal ground

Power switch on (ACC)

Pulse generation

I163-2 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

I163-3 (TX-1)

W

Local Bus communication line

-

-

I163-4 (TX+1)

B

Local Bus communication line

-

-

I163-6 (ILL+) - Body ground

B - Body ground

Illumination signal

Headlight dimmer switch in tail or head position

11 to 14 V

I163-7 (ACC) - Body ground

GR - Body ground

ACC power supply

Power switch on (ACC)

11 to 14 V

I163-8 (B) - Body ground

R - Body ground

Battery power supply

Power switch off

11 to 14 V

RADIO RECEIVER ASSEMBLY

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COMBINATION METER ASSEMBLY

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 Combination Meter

 Components

COMPONENTS ILLUSTRATION *A for 8 Inch Display *B for 10.3 Inch Display *1 CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY *2 CONSOLE ARMREST ASSEMBLY *3 INSTRUMENT CLUSTER FI

 Removal

REMOVAL CAUTION / NOTICE / HINT NOTICE: When replacing the combination meter assembly, make sure to replace it with a new one. PROCEDURE 1. DISABLE AUTOAWAY/RETURN FUNCTION (for Power Tilt and Power T

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 Parts Location

PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SKID CONTROL ECU) *3 HEADLIGHT ASSEMBLY LH *4 HEADLIGHT ASSEMBLY RH *5 ENGINE ROOM RELAY BLOCK - H-LP LH/DIMMER(HI) RELAY (for Single Beam Headlight) *6 NO. 2 ENGIN

 Operation Check

OPERATION CHECK CHECK POWER SEAT FUNCTION *A for Driver Side *a Slide Function *b Reclining Function *c Rear Lifter Function *d Front Vertical Function *e Lumbar Support Adjustment Function (a) Check the basic functions. (1) Operate the power seat switches and

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