Lexus ES: Parts Location
Lexus ES (XZ10) Service Manual / Steering / Steering Column / Heated Steering Wheel System (for Hv Model) / Parts Location
PARTS LOCATION
ILLUSTRATION
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| *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 | AIR CONDITIONING CONTROL ASSEMBLY |
| *5 | AIR CONDITIONING AMPLIFIER ASSEMBLY | *6 | RADIO RECEIVER ASSEMBLY |
| *7 | STEERING WHEEL ASSEMBLY - STEERING WHEEL HEATER UNIT | *8 | HEATED STEERING WHEEL CONTROLLER (STEERING VIBRATION ECU) |
| *9 | MULTI-DISPLAY ASSEMBLY | *10 | NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - STRG HTR FUSE - STRG HTR RELAY |
| *11 | DLC3 | - | - |
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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
System Description
SYSTEM DESCRIPTION HEATED STEERING WHEEL SYSTEM (a) The heated steering wheel system heats the steering wheel assembly when the system is turned on using the steering wheel heater switch (refreshing s
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the heated steering wheel system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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SEE MORE:
AVC-LAN Circuit
DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transmits switch signals via AVC-LAN communication. If a short to +B or short to ground occurs in the AVC-LAN, the navigation system will not function normally because communication is not possible. WIRING DI
Terminals Of Ecu
TERMINALS OF ECU CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR) (a) Disconnect the J28 outer mirror control ECU assembly (driver door) connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the co
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