Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Steering Pad Switch Circuit
DESCRIPTION
The forward recognition camera receives LTA main switch signals from the steering pad switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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PROCEDURE
| 1. | INSPECT STEERING PAD SWITCH ASSEMBLY |
(a) Remove the steering pad switch assembly.
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(b) Inspect the steering pad switch assembly.
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| NG | .gif) | REPLACE STEERING PAD SWITCH ASSEMBLY |
|
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| 2. | INSPECT SPIRAL CABLE SUB-ASSEMBLY |
(a) Remove the spiral cable sub-assembly.
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(b) Inspect the spiral cable sub-assembly.
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| NG | | REPLACE SPIRAL CABLE SUB-ASSEMBLY |
|
| 3. | CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - FORWARD RECOGNITION CAMERA) |
(a) Disconnect the U14 forward recognition camera connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J29-12 (DIST) - U14-3 (LKSW) | Always | Below 1 Ω |
| J29-12 (DIST) or U14-3 (LKSW) - Body ground | Always | 10 kΩ or higher |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 4. | CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J29-2 (ECC) - Body ground | Always | Below 1 Ω |
| OK | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Internal Control Module Software Incompatibility Invalid / Incompatible Software Component (U030057)
DESCRIPTION The forward recognition camera receives the vehicle information from the ECM via CAN communication. If the vehicle information stored in the forward recognition camera does not match the v ...
Indicator Circuit
DESCRIPTION The forward recognition camera sends indicator illumination request signals to the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE:
When replacing the f ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Parking Assist Ecu: Installation
INSTALLATION PROCEDURE 1. INSTALL PARKING ASSIST ECU (a) Install the parking assist ECU with the bolt and nut. (b) Connect each connector. 2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY Click here 3. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Click here 4. INSTALL COWL SIDE TRIM BOARD R ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Using the driving support
systems: Intelligent Clearance Sonar
(ICS)
If a collision with a wall or other stationary object may occur due to
the vehicle
suddenly moving forward due to an accidental accelerator pedal operation,
the vehicle moving the unintended direction due to the wrong shift position
being selected, or while parking or traveling at low speeds, t ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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- Instrument cluster
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- When trouble arises
- Vehicle specifications
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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