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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Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detected using the Data List function of the Techstream. (a) Turn the power switch off. (b) Connect the Techstream
Fuel Level Sensor "A" Circuit Low (P0462,P0463)
DESCRIPTION Refer to DTC P0461. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory P0462 Fuel Level Sensor "A" Circuit Low Fuel sender gauge output resistance is less than 7 Ω for 30 seconds or more (1 trip detection logic).
Open or short
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