Lexus NX: Steering Lock System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Open / Short in Steering Lock ECU (B2781)
- Power Source Control ECU Malfunction (B2782)
- IG2 Signal Malfunction (B2788)
- Unable to Unlock Steering Wheel (Hybrid Control System cannot Start)
- Steering Lock does not Lock
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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 - IG2-MAIN FUSE - STRG LOCK FUSE - - ILLUSTRATION *1 POWER SWITCH *2 INSTRUMENT PANEL JUNCTION BLOC
System Diagram
SYSTEM DIAGRAM Circuit Description Component Outline Steering Lock ECU (Steering Lock Actuator Assembly)
The steering is locked and unlocked by communicating with the certification ECU
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Installation
INSTALLATION PROCEDURE 1. INSTALL RADIATOR GRILLE SUB-ASSEMBLY (a) Attach the 15 claws and 2 guides to install the radiator grille sub-assembly. (b) Install the 2 outside moulding retainers. (c) Install the 8 screws. Screw Outside Moulding Retainer 2. INSTALL HOOD TO FRONT END PANEL S
Drive Motor "A" Inverter Performance (P0A78-284)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates when the temperature of the inverter for the motor has become abnormal. The cause of this malfunction may be one of the following: Area Main Malfunction Description Step Inverter low-voltage circuit The connectors are not connected
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