REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the steering vibration and heater ECU removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced Replacement Part or Procedure | Necessary Procedures | Effects / Inoperative when not performed | Link |
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*1: When performing learning using the Techstream.
Click here | |||
Disconnect cable from negative battery terminal | Memorize steering angle neutral point | Lane Control System | |
Pre-collision system | |||
Intelligent clearance sonar system*1 | |||
Lighting system (w/ Automatic Headlight Beam Level Control System) | | ||
Parking assist monitor system | | ||
Panoramic view monitor system | | ||
Initialize back door lock | Power door lock control system | | |
Reset back door close position | Power Back Door System (w/ Outside Door Control Switch) | |
PROCEDURE
1. REMOVE STEERING WHEEL ASSEMBLY
Click here
2. REMOVE CRUISE CONTROL MAIN SWITCH
Click here
3. REMOVE STEERING PAD SWITCH ASSEMBLY
Click here
4. REMOVE SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY)
for U881F: Click here
for U881E: Click here
5. REMOVE STEERING VIBRATION AND HEATER ECU
(a) Disengage the guide to remove the wire harness from the lower steering wheel cover. |
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(b) Disconnect each connector.
(c) Remove the screw. |
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(d) Disengage the 2 claws of the lower steering wheel boss cover.
NOTICE:
If the heater thermistor comes off the lower steering wheel cover, replace the steering wheel assembly.
HINT:
Do not remove the lower steering wheel boss cover from the steering wheel sub-assembly. Loosen the lower steering boss cover.
(e) Remove the 2 screws.
![]() | Remove in this Direction |
(f) Move the steering vibration and heater ECU until it reaches a position where the connector can be disconnected.
(g) Disconnect the connector to remove the steering vibration and heater ECU from the lower steering wheel cover.
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Terminals Of Ecu
TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components. RADIO RECEIVER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J151-1 (VMTF) - J148-1 (GND1) Y - W-B Visual mute signal Engine swi ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Panoramic Moon Roof System: Operation Check
OPERATION CHECK CHECK AUTO OPERATION FUNCTION (FOR SLIDING ROOF) NOTICE:
Make sure that initialization has been completed before performing this inspection.
Click here
The sliding roof auto operation function can be customized. Make sure that the auto operation function is ON.
Click here ...