Lexus NX: Navigation System

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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

 Parts Location

PARTS LOCATION ILLUSTRATION *A w/ Parking Assist Monitor System *B w/ Panoramic View Monitor System *1 NO. 2 ENGINE ROOM RELAY BLOCK - DCM FUSE (w/ Manual [SOS] Switch) - ECU-B NO.1 FU

 System Diagram

SYSTEM DIAGRAM

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 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the headup display system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. INSPECT AUXILIARY BATTE

 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

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