Lexus NX: Terminals Of Ecu

TERMINALS OF ECU

CHECK STEREO COMPONENT EQUALIZER ASSEMBLY

(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

I117-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

I117-3 (+B) - Body ground

W - Body ground

Power supply

Power switch off

11 to 14 V

I117-4 (CANH) - Body ground

R - Body ground

CAN communication signal

-

-

I117-5 (VLSW) - Body ground

G - Body ground

Vehicle sound switch signal

Power switch on (IG), vehicle sound switch on

11 to 14 V

Power switch on (IG), vehicle sound switch off

Below 1 V

I117-9 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

I117-11 (IG) - Body ground

Y - Body ground

IG power supply

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

I117-12 (CANL) - Body ground

W - Body ground

CAN communication signal

-

-

I117-14 (VSLI) - Body ground

B - Body ground

Vehicle sound switch volume signal

Power switch on (IG), vehicle sound switch volume set to maximum

11 to 14 V

Power switch on (IG), vehicle sound switch volume set to minimum

8.0 to 11.5 V

I117-16 (SPO+) - I117-15 (SPO-)

B - R

Sound signal

Simulated engine sounds being output

A waveform synchronized with sound is output

READ NEXT:

 Dtc Check / Clear

DTC CHECK / CLEAR DTC CHECK USING Techstream (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 / ASC

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an ASC system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a)

 Fail-safe Chart

FAIL-SAFE CHART ASC System (a) The stereo component equalizer assembly stores DTCs and freeze frame data and stops sound output if it detects any of the following abnormalities. Item Abnormality

SEE MORE:

 Wireless Door Lock Buzzer

ComponentsCOMPONENTS ILLUSTRATION *1 FRONT FENDER SPLASH SHIELD FRONT LH *2 WIRELESS DOOR LOCK BUZZER *3 FRONT SIDE AIR GUIDE SUB-ASSEMBLY LH *4 FRONT FENDER LINER LH InstallationINSTALLATION PROCEDURE 1. INSTALL WIRELESS DOOR LOCK BUZZER (a) Attach the clamp and install the

 Drive Motor "B" Position Sensor Circuit Range / Performance (P0A46-120)

DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that an overvoltage in the inverter has occurred. The cause of this malfunction may be one of the following: Internal inverter malfunction Internal circuit malfunction in the inverter for the rear motor Rear traction motor with transaxle

© 2016-2025 Copyright www.lexunx.com