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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Inspection
INSPECTION PROCEDURE 1. INSPECT POWER SWITCH (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 5 (SS1) - 6 (AGND) 1 (SS2) - 6 (AGND) Not pushed 10 kΩ or higher
Left Rear Wheel Speed Sensor Circuit Intermittent (C050C1F)
DESCRIPTION Refer to DTC C050C12 Click here DTC No. Detection Item DTC Detection Condition Trouble Area C050C1F Left Rear Wheel Speed Sensor Circuit Intermittent
The speed sensor signal is excessively noisy.
The calculated change in wheel speed is more than 980 m/s2 for 5*1 o
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