Lexus NX: Immobiliser System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Registration
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Engine Starter Communication Malfunction (B2779)
- Antenna Coil Open / Short (B2784)
- Short to GND in Immobiliser System Power Source Circuit (B278A)
- ID BOX EEPROM Malfunction (B2790)
- Engine Immobiliser System Malfunction (B2799-790)
- Engine Immobiliser System Communication Line High Fixation (B279A-186)
- Engine Immobiliser System Presence Detection (B279C-185)
- Security Indicator Light Does not Blink
- Immobiliser System does not Operate Properly
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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 AND NO. 1 JUNCTION BLOCK ASSEMBLY - AM2 FUSE - STRG LOCK FUSE *2 NO. 2 ENGINE ROOM RELAY BLOCK AND NO. 2 JUNCTION BLOCK ASSEMBLY
System Diagram
SYSTEM DIAGRAM
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Inspection
INSPECTION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSPECT REAR NO. 1 SUSPENSION ARM ASSEMBLY LH (a) Inspect the turning torque of the ball joint. (1) Install the installation nut to the ball j
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH. Click here HINT:
Use the table below to help determine the cause of problem symptoms. If multiple susp
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