Lexus NX: Steering Angle Sensor Unusual Bank Angle Detected (C1440)
DESCRIPTION
If the skid control ECU (brake booster with master cylinder assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake booster with master cylinder assembly) stores DTC C1440 while VSC operation is temporarily disabled.
This is not a malfunction if the system and sensor circuits are normal and if normal VSC operation resumes.
| DTC No. | Detection Item | INF Code | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|---|
| C1440 | Steering Angle Sensor Unusual Bank Angle Detected | - | Driving at a steep bank angle. | Yaw rate and acceleration sensor (Airbag ECU assembly) | - |
PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Turn the power switch off.
(c) Perform a road test.
(d) Check if the same DTC is output.
Click here
| Result | Proceed to |
|---|---|
| DTC C1440 is output. | A |
| DTC C1440 is not output. | B |
| Yaw rate and acceleration sensor DTCs are output. | C |
| B | .gif) | END |
| C | | REPAIR CIRCUITS INDICATED BY OUTPUT DTCS |
|
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| 2. | CLEAR DTC |
(a) Clear the DTCs.
Click here
HINT:
- If the skid control ECU (brake booster with master cylinder assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake booster with master cylinder assembly) stores DTC C1440 while VSC operation is temporarily disabled.
- This is not a malfunction if the system and sensor circuits are normal and if normal VSC operation resumes.
| NEXT | | END |
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