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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General maintenance
Listed below are the general maintenance
items that should be performed
at the intervals specified in
the "Warranty and Service Guide"
or "Owner's Manual Supplement".
It is recommended that any problem
you notice should be brought to
the attention of your Lexus dealer
or qualified service
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE INTAKE VALVE (a) Using SST and wooden blocks, compress the inner compression spring and remove the valve spring retainer locks. SST: 09202-70020 SST: 09202-00021 (b) Remove the valve spring retainer, inner compression spring and intake valve. HINT: Arra
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