Lexus NX: 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 procedure.
Click here
.gif)
-
When "!" mark is displayed on the parking assist ECU after the cable is disconnected from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.
Click here
-
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.
Click here
- Inspect the fuses for circuits related to this system before performing the following inspection 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.
Click here
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (STEERING SENSOR - BATTERY AND BODY GROUND) |
| (a) Disconnect the steering sensor connector. Click here |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I6-1 (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 |
|---|---|---|
| I6-4 (IG1) - I6-1 (ESS) | Power switch on (IG) | 11 to 14 V |
| I6-5 (BAT) - I6-1 (ESS) | Power switch off | 11 to 14 V |
| OK | .gif) | REPLACE STEERING SENSOR |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
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
Front Wheel Speed Sensor Malfunction (C164D)
DESCRIPTION This DTC are stored when the parking assist ECU receives a wheel speed sensor (front speed sensor RH or front speed sensor LH) abnormality signal from the electronically controlled brake s
Front Camera Feedback Malfunction (C1681)
DESCRIPTION This DTC is stored if the parking assist ECU judges as a result of its self check that a synchronization problem is occurring in the image signal sent from the front television camera asse
SEE MORE:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use this procedure to troubleshoot the seat belt warning system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm that the problem symptoms h
Inspection Mode Procedure
INSPECTION MODE PROCEDURE NOTICE: When operating the vehicle in inspection mode for an operation such as a speedometer test, a DTC may be set. Therefore, if the warning light comes on, after canceling inspection mode, check for DTCs using the Techstream and clear the DTCs. HINT:
If the engine is
