Lexus NX: Smart Access System With Push-button Start (for Start Function)

Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Access System With Push-button Start (for Start Function)

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 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After the power switch is turned off, there may be a waiting time before disconnecting the negative (-

 Parts Location

PARTS LOCATION ILLUSTRATION *1 NO. 1 ENGINE ROOM RELAY BLOCK - IG2-MAIN RELAY *2 NO. 2 ENGINE ROOM RELAY BLOCK - IG1 RELAY *3 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEM

 System Diagram

SYSTEM DIAGRAM Component Outline Power switch Transponder key amplifier Turns on the power and starts the hybrid control system. Contains a built-in transponder key amplifier t

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 Bus Buffer ECU Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Bus Buffer ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Accessory Gateway" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication system DTC

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area"column of the table. Check each symptom by checking the suspected a

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