Lexus NX: Terminals Of Ecu

TERMINALS OF ECU

DCM (TELEMATICS TRANSCEIVER)

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RADIO RECEIVER ASSEMBLY

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NAVIGATION ECU

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 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Diagnostic Trouble Codes (DTCs) for the LEXUS ENFORM system can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctionin

 Confirm Cellular Phone Functionality

PROCEDURE 1. CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY (a) Check if the cellular phone is compatible (Refer to http://www.lexus.com/Enform/). Result Proceed to Cellular phone is

 Confirm Vehicle Headunit Functionality

PROCEDURE 1. CHECK PROBLEM SYMPTOMS (a) Check the app type when the problem occurred. Result Proceed to When using Fleet Apps A When using Infotainment App B B GO T

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 Operation Check

OPERATION CHECK AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK (a) Turn the power switch on (IG). (b) Turn the headlight dimmer switch to the AUTO position. (c) Cover the automatic light control sensor. (d) Check that the taillights and low beam headlights come on. (e) Uncover the automatic light co

 Catalyst System Efficiency Below Threshold (Bank 1) (P0420)

MONITOR DESCRIPTION The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst informat

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