Lexus ES: Heated Steering Wheel System (for Gasoline Model)
Lexus ES (XZ10) Service Manual / Steering / Steering Column / Heated Steering Wheel System (for Gasoline Model)
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Lost Communication with Steering Heater ECU (B14B7)
- Steering Wheel does not Heat Up When Heated Steering Wheel Switch is Pressed
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the c
Parts Location
PARTS LOCATION ILLUSTRATION *1 SPIRAL CABLE SUB-ASSEMBLY *2 STEERING WHEEL HEATER SWITCH (REFRESHING SEAT SWITCH) *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 3 FUSE *4
System Diagram
SYSTEM DIAGRAM SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Radio Receiver Assembly Air Conditioning Amplifier Assembly
Steering wheel heater switch operation co
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Components
COMPONENTS ILLUSTRATION *1 STEERING WHEEL ASSEMBLY - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf) - - ILLUSTRATION *1 LOWER STEERING COLUMN COVER SUB-ASSEMBLY *2 TURN SIGNAL SWITCH A
Automatic High Beam Switch Indicator does not Come ON
DESCRIPTION When the automatic high beam system is on, the steering sensor illuminates the automatic high beam switch indicator. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (
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