Lexus NX: Diagnosis System
Lexus NX Service Manual / Audio & Visual & Telematics / Cellular Communication / Lexus Enform System / 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 malfunctioning, use the Techstream to check for malfunctions and to repair it.
CHECK DLC3
(a) Check the DLC3.
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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
Does not Recognize Voice Commands Performed to Contact Support Center
PROCEDURE 1. CHECK COMMUNICATION BASED VOICE RECOGNITION FUNCTION (a) While paying attention to the condition of the spoken voice command, say "Find a gas station in New York" and check that
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Poor Engine Power (P3190,P3191)
DESCRIPTION The ECM receives signals from the hybrid vehicle control ECU such as the requested engine torque, target engine speed and engine cranking status, and controls the engine output based on the target engine speed and requested torque. DTC No. Detection Item DTC Detection Condition
Center Airbag Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Center Airbag Sensor Communication Stop Mode Any of the following conditions are met:
Communication stop for "Airbag" is indicated on the "Communication Bus Check" screen of the Techstream.
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Communication system DTCs (DT
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