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:
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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.
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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.
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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 inspection procedure.
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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 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 |
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Precaution
PRECAUTION PRECAUTIONS FOR BLIND SPOT MONITOR SYSTEM (a) The blind spot monitor function may not detect vehicles correctly in the following conditions: (1) When the sensor is misaligned due to a strong impact to the sensor or its surrounding area. (2) When mud, snow, ice, a sticker, etc. is covering
