Lexus ES: Power Steering System (for Hv Model)
Lexus ES (XZ10) Service Manual / Steering / Power Assist Systems / Power Steering System (for Hv Model)
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Calibration
- Problem Symptoms Table
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Fail-safe Chart
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- On-vehicle Inspection
- Torque Sensor1 (C1511-C1514,C1521-C1523,C1528,C1531-C1555)
- Torque Sensor Zero Point Adjustment Undone (C1515)
- Torque Sensor Zero Point Adjustment Incomplete (C1516)
- 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 Steering Angle Sensor Module (U0126,U0129,U023A,U0293)
- EPS Warning Light Circuit
- Check Assist Limit Record
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following s
Parts Location
PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY - SKID CONTROL ECU *3 RACK AND PINION POWER STEERING GEAR ASSEMBLY - POWER STEE
System Diagram
SYSTEM DIAGRAM
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Installation
INSTALLATION PROCEDURE 1. INSTALL SLIDING ROOF OR REMOVABLE ROOF HOUSING SUB-ASSEMBLY (a) Loosen the 4 bolts of the brackets of the sliding roof or removable roof housing sub-assembly. (b) Temporarily install the sliding roof or removable roof housing sub-assembly with the 6 nuts and 8 bolts. (c)
Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
When diagnosing symptoms such as hesitation, rough idle, or other small symptoms usi
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