Lexus ES: Heated Steering Wheel System (for Hv Model)
Lexus ES (XZ10) Service Manual / Steering / Steering Column / Heated Steering Wheel System (for Hv 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 AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following s
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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AWD Warning does not Come ON
DESCRIPTION Refer to "4WD Warning Remains ON". Click here WIRING DIAGRAM Refer to "4WD Warning Remains ON". Click here CAUTION / NOTICE / HINT Refer to "4WD Warning Remains ON". Click here PROCEDURE 1. CHECK HARNESS AND CONNECTOR (a) Check that there is no looseness at the locking and
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) If a malfunction is detected in the parking support brake system, the warning message "Parking Support Brake Malfunction Visit Your Dealer", "Parking Support Brake Unavailable" or "Parking Support Brake Unavailable Remove the Dirt of Rear Camera", is displayed
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