Lexus ES manuals

Lexus ES: 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 NEXT

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 Check Bus 1 Line for Short to GND

DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and termina

 Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may b

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