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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 Air Inlet Damper Control Servo Motor Circuit (B1442)

DESCRIPTION The No. 1 blower damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal, reverse) based on the signals to move the air inlet mode selection No. 1 blower da

 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to follow the correct removal and installation procedures of the rear airbag sensors. PROCEDURE 1. INSPECT REAR AIRBAG SENSOR (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click here 2. INSPECT REAR AI

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