Lexus NX: System Diagram
SYSTEM DIAGRAM
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System Description
SYSTEM DESCRIPTION
The power steering system generates torque through the operation of the motor and the reduction gear installed on the column shaft in order to assist steering effort.
The power
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the power steering system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of
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Removal
REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After turning the power switch off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal. Click here 2. REMOVE DECK BOARD ASSEMBLY Click here 3. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 4. REMOVE REAR DECK F
Power Steering Warning Light Circuit
DESCRIPTION The power steering ECU is connected to the combination meter via CAN communication. If any of the following conditions are detected, the power steering warning light remains on.
The circuit that supplies power source voltage to the power steering ECU assembly (terminal IG) is open.
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