Lexus NX: System Diagram

SYSTEM DIAGRAM

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 How To Proceed With Troubleshooting

PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CONFIRM PROBLEM SYMPTOMS NEXT 3. CUSTOMER PROBLEM ANALYSIS (a) Check if the vehicle has be

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AUXILIARY BATTERY (a) Check that the auxiliary battery cables are connected to the correct terminals. HINT: If they are not, connect them properly. (b) Check t

 Networking

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 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to the Smart Access System with Push-button Start (for Entry Function). Click here HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are li

 Parts Location

PARTS LOCATION ILLUSTRATION *1 MOBILE WIRELESS CHARGER CRADLE ASSEMBLY *2 CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ACC FUSE - PANEL FUSE *4 NO. 2 ENGINE ROOM RELAY BLOCK - ECU-B NO.1 FUSE

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