Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 Detection Condition | Trouble Area |
|---|---|---|---|
| C1626 | Steering Angle Sensor Failure | A fail flag is transmitted from the steering angle sensor |
|
CAUTION / NOTICE / HINT
NOTICE:
-
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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-
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 FOR DTC |
(a) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs(b) Check for DTCs.
Chassis > Circumference Monitoring Camera Control Module > Trouble CodesOK:
DTC C1626 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
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| 2. | REPLACE STEERING SENSOR |
(a) Replace the steering sensor with a normally functioning one.
Click here
|
| 3. | CHECK FOR DTC |
(a) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs(b) Check for DTCs.
Chassis > Circumference Monitoring Camera Control Module > Trouble CodesOK:
DTC C1626 is not output.
| OK | | END (STEERING SENSOR WAS DEFECTIVE) |
| NG | | REPLACE PARKING ASSIST ECU |
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 DT ...
Front Wheel Speed Sensor Malfunction (C164D)
DESCRIPTION This DTC is stored when the parking assist ECU receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality sign ...
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DESCRIPTION The immobiliser system compares the ID code that is registered to the certification ECU (smart key ECU assembly) with the ID code of the transponder chip that is embedded in the electrical key transmitter sub-assembly. WIRING DIAGRAM Refer to B279986. Click here CAUTION / NOTICE / HINT ...
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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