Lexus ES: Parts Location
Lexus ES (XZ10) Service Manual / Steering / Steering Column / Heated Steering Wheel System (for Gasoline Model) / 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 | 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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Installation
INSTALLATION CAUTION / NOTICE / HINT PROCEDURE 1. INSTALL CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) (a) Engage the 2 claws to install the central gateway ECU (network gateway ECU) as shown in the illustration. Install in this Direction NOTICE: Make sure that the central gateway ECU (networ
Indicator Circuit
DESCRIPTION In accordance with the shift lever position, each shift position indicator light will turn on. WIRING DIAGRAM PROCEDURE 1. CHECK SHIFT POSITION INDICATOR (a) Turn the power switch on (ACC). (b) Check that each shift position indicator light turns on correctly. Result Proce
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