Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Open or Short in Steering Angle Sensor +B (C1625)
DESCRIPTION
This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates a power supply system problem.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1625 | Open or Short in Steering Angle Sensor +B | Open or short in steering angle sensor +B |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Since the panoramic view monitor system has functions that use the CAN communication system, first confirm that there is no malfunction in the communication system by inspecting the CAN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.
-
When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
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-
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.
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- Inspect the fuses for circuits related to this system before performing the following procedure.
-
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. | CHECK HARNESS AND CONNECTOR (STEERING SENSOR POWER SOURCE) |
(a) Disconnect the steering sensor connector.
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(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J32-1 (ESS) - Body ground | Always | Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Switch Condition | Specified Condition |
|---|---|---|
| J32-4 (IG1) - J32-1 (ESS) | Engine switch on (IG) | 11 to 14 V |
| J32-5 (BAT) - J32-1 (ESS) | Always | 11 to 14 V |
| OK |  | REPLACE STEERING SENSOR |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Back Camera Feedback Malfunction (C1622)
DESCRIPTION DTC C1622 is stored if the parking assist ECU judges as a result of its self check that the signals or signal lines between the parking assist ECU and the rear television camera assembly a ...
Steering Angle Sensor Failure (C1626)
DESCRIPTION This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates an internal malfunction. DTC No. Detection Item DTC Dete ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Meter / Gauge System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the ECM, main body ECU (multiplex network body ECU) or Certification ECU (Smart key ECU assembly), refer to Registration. Click here HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Pre-collision System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the pre-collision system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. PRE-CHECK (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the volta ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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