Lexus NX: System Diagram
Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Immobiliser System / System Diagram
SYSTEM DIAGRAM
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System Description
SYSTEM DESCRIPTION IMMOBILISER SYSTEM DESCRIPTION (a) The immobiliser system determines whether or not to enable starting of the hybrid control system based on a comparison of the key ID code and the
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use this procedure to troubleshoot the immobiliser system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2.
Registration
REGISTRATION PROCEDURE 1. INSTALL CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES CAUTION:
People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implant
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Immobiliser System does not Operate Properly
DESCRIPTION The immobiliser system compares the ID code that is registered in the certification ECU (smart key ECU assembly) with the ID code of the transponder chip that is embedded in the electrical key transmitter sub-assembly. WIRING DIAGRAM Click here CAUTION / NOTICE / HINT NOTICE:
When
Removal
REMOVAL PROCEDURE 1. REMOVE FAN SHROUD WITH COOLING FAN Click here 2. REMOVE COOLING FAN WIRE (a) Disconnect the cooling fan ECU connector. (b) Detach the 3 clamps and remove the cooling fan wire. 3. REMOVE COOLING FAN ECU (a) Disconnect the cooling fan motor connector and No. 2
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