REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during headlight dimmer switch removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Disconnect cable from negative battery terminal | Memorize steering angle neutral point | Lane Control System | |
| Pre-collision system | |||
| Intelligent clearance sonar system*1 | |||
| Parking Assist Monitor System | | ||
| Panoramic View Monitor System | | ||
| Lighting System (w/ Automatic Headlight Beam Level Control System) | | ||
| Initialize back door lock | Power door lock control system | | |
| Reset back door close position | Power Back Door System (w/ Outside Door Control Switch) | | |
| Removal/installation of the spiral cable with sensor sub-assembly |
| Parking assist monitor system | |
| Steering angle neutral point (Initialize panoramic view monitor system) | Panoramic view monitor system | | |
| Steering angle neutral point (Initialize intelligent clearance sonar system) | Intelligent clearance sonar system | |
*1: When performing learning using the Techstream.
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CAUTION:
Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.
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PROCEDURE
1. REMOVE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY
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2. REMOVE TILT AND TELESCOPIC SWITCH (for Power Tilt and Power Telescopic Steering Column)
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3. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY
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4. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY
| (a) Disconnect the connector. |
|
(b) Disengage the 3 claws and remove the headlight dimmer switch assembly.
Inspection
Headlight EcuLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Check Bus 5 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 15 (CA5H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the network gateway ECU and terminal 4 (CG) of the DLC3. Symptom Trouble ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Blind Spot Monitor System: Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor. HINT: If CAN communication system DTCs are stored, they may also be stored for other systems. DTC No. Detection Item DTC Detection Condition Trouble Area ...