Lexus NX: Power Steering System (for Manual Tilt And Manual Telescopic Steering Column)
Lexus NX Service Manual / Steering / Power Assist Systems / Power Steering System (for Manual Tilt And Manual Telescopic Steering Column)
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- On-vehicle Inspection
- Torque Sensor1 (C1511-C1514)
- Short in Motor Circuit (C1521,C1531-C1534)
- Motor Terminal Voltage (C1524,C1555)
- Motor Rotation Angle Sensor (C1528)
- Vehicle Speed Signal (C1541)
- IG Power Supply Voltage (C1551)
- PIG Power Supply Voltage (C1552,C1554)
- Error in Matching of ECUs (C1567)
- Assist Map Number Un-Writing (C1581)
- Assist Map Number Mismatch (C1582)
- Lost Communication with Brake System Control Module (U0129,U0293,U1104)
- Power Steering Warning Light Circuit
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Precaution
PRECAUTION HANDLING PRECAUTIONS FOR SRS AIRBAG SYSTEM (a) This vehicle is equipped with a Supplemental Restraint System (SRS). Failure to carry out service operations in the correct sequence could cau
Parts Location
PARTS LOCATION ILLUSTRATION *1 POWER STEERING ECU ASSEMBLY *2 ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY - POWER STEERING MOTOR ASSEMBLY - MOTOR ROTATION ANGLE SENSOR - TORQUE SENSOR - ECU
System Diagram
SYSTEM DIAGRAM
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Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition A51-1 (BM1) - A51-2 (GND1) Always Below 10 Ω A52-2 (BM2) - A52-1 (GND2)
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedures listed below are for the LH side.
PROCEDURE 1. REMOVE REAR DOOR LOWER OUTSIDE MOULDING SUB-ASSEMBLY LH HINT: When removing the rear door lower outside moulding sub-assembly LH, heat the rear
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