Lexus NX: Terminals Of Ecu

TERMINALS OF ECU

DCM (TELEMATICS TRANSCEIVER)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I183-1 (+B) - I183-20 (E)

Y - W-B

Power source (+B)

Power switch off

11 to 14 V

I183-20 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

I183-19 (IG2) - I183-20 (E)

R - W-B

Power source (IG)

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

I183-25 (CANP)

Y

CAN communication signal

-

-

I183-26 (CANN)

W

CAN communication signal

-

-

I183-30 (SLPD) - I183-20 (E)

L - W-B

Steering lock bar position signal

Steering locked

11 to 14 V

Steering unlocked

Below 1.5 V

CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

Click here

READ NEXT:

 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 / Telematics / Trouble

 Data List / Active Test

DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faul

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Telematics System DTC No. Detection Item Link U014087 Lost Communication with Body Control Module Missing Message U015587 Lost Communication with

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 Removal

REMOVAL PROCEDURE 1. REMOVE FRONT SEAT ASSEMBLY LH Click here 2. REMOVE FRONT LOWER SEAT CUSHION SHIELD Click here 3. REMOVE POWER SEAT SWITCH KNOB LH Click here 4. REMOVE POWER SEAT SWITCH KNOB LH Click here 5. REMOVE FRONT SEAT CUSHION SHIELD LH Click here 6. REMOVE FRONT POWER SEAT SWI

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power window control system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that the proble

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