Lexus NX: Smart Access System With Push-button Start (for Entry Function)
Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Access System With Push-button Start (for Entry Function)
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Operation History List
- Open in Driver Side Electrical Antenna Circuit (B27A1)
- Open in Front Passenger Side Electrical Antenna Circuit (B27A2)
- Open in Rear Door Electrical Antenna Circuit, Drivers Side (B27A3)
- Open in Rear Door Electrical Antenna Circuit, Front Passengers Side (B27A4)
- Open in Front Floor Electrical Key Oscillator Circuit (B27A5)
- Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
- Open in Inside Luggage Compartment Electrical Key Oscillator Circuit (B27A7)
- Open in Outside Luggage Compartment Electrical Key Antenna Circuit (B27A8)
- All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate
- All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate
- Driver Side Door Entry Unlock Function does not Operate
- Front Passenger Side Door Entry Unlock Function does not Operate
- Rear Door LH Entry Unlock Function does not Operate
- Rear Door RH Entry Unlock Function does not Operate
- Driver Side Door Entry Lock and Unlock Functions do not Operate
- Front Passenger Side Door Entry Lock and Unlock Functions do not Operate
- Rear Door LH Entry Lock and Unlock Functions do not Operate
- Rear Door RH Entry Lock and Unlock Functions do not Operate
- Driver Side Door Entry Lock Function does not Operate
- Front Passenger Side Door Entry Lock Function does not Operate
- Rear Door LH Entry Lock Function does not Operate
- Rear Door RH Entry Lock Function does not Operate
- Room Oscillator does not Recognize Key
- Entry Interior Alarm does not Sound
- Back Door Entry Unlock Function does not Operate
- Back Door Entry Lock and Unlock Functions do not Operate
- Back Door Entry Lock Function does not Operate
- New Key cannot be Registered
- Additional Key cannot be Registered
- Entry Unlock and Unlatch Functions do not Operate Using Kick Sensor
- Lock Function (Entry Lock Function does not Operate Using Close &)
- Entry Exterior Alarm and Answer-back Buzzer do not Sound
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Precaution
PRECAUTION CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES CAUTION:
People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defib
Parts Location
PARTS LOCATION ILLUSTRATION *1 NO. 1 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - AM2 FUSE *2 NO. 2 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - ECU-B NO.1 FUSE ILLUSTRA
System Diagram
SYSTEM DIAGRAM CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) Component Function Front door outside handle assembly Receives request signals from the certification ECU (smart key ECU assembly
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Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for RHD and LHD vehicles.
The procedures listed below are for LHD vehicles.
PROCEDURE 1. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY (a) Check that the power switch is off. (b) Check that the cable is disconnected fro
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