Lexus NX: Lexus Enform System
Lexus NX Service Manual / Audio & Visual & Telematics / Cellular Communication / Lexus Enform System
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Confirm Cellular Phone Functionality
- Confirm Vehicle Headunit Functionality
- Does not Recognize Voice Commands Performed to Contact Support Center
- DCM Data Signal Circuit between Navigation ECU and DCM
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After the power switch is turned off, the radio receiver assembly records various types of memory and set
System Diagram
SYSTEM DIAGRAM
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the LEXUS ENFORM system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Lost Communication with EMV (B1321)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory B1321 Lost Communication with EMV
DTC Detection Condition: IG+ voltage 9.5 to 11.5 V or higher
Malfunction Status: Lost communication with radio receiver assembly
Malfunction Duration: 30 seconds
Clearance Warning ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Clearance Warning ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Clearance Warning (Intuitive Parking Assist)" is indicated on the "Communication Bus Check" screen of the Techstream.
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