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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Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN RELAY (FAN NO. 1) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Battery voltage not applied to terminals
Cooler Expansion Valve
ComponentsCOMPONENTS ILLUSTRATION *1 AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY *2 COOLER EXPANSION VALVE *3 O-RING - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part Compressor oil ND-OIL 11 or equivalent - - RemovalREMOVAL PROCEDURE 1.
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