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 Communication Table Sender Receiver Signal Line Radio Receiver Assembly Air Conditioning Amplifier Assembly
Steering wheel heater switch operation co
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
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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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 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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