DTC Mazda P0511 Short Explanation
Channel: Maxidot
Date: 15/11/2020

The video focuses on the basic Mazda specific diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
- an explanation of what a bit is and how a byte is formed
- decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
- Possible causes or errors of the car and its parts describing the mentioned error

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Make:
Mazda
Code:
P0511
Definition:
Mutual monitoring of FR wheel speed sensor
Description:
The ASC-ECU monitors the signals from each wheel speed sensor while the vehicle is being driven.If any fault below is found in these sensor signals,ASC-ECU will set the relevant DTC: 1).Missing wheel speed sensor signal.2).Wheel speed sensor signal continuously indicates low value.
Cause:
Current trouble: Excessive gap between the wheel speed sensor and the wheel speed detection encoder Adhesion of foreign materials on the wheel speed sensor Adhesion of foreign materials on the wheel speed detection encoder Wheel bearing malfunction Malfunction of wheel speed sensor Damaged wiring harness and connectors External noise interference Improper installation of the wheel speed sensor Deformation of the wheel speed detection encoder ASC-ECU malfunction Disturbance of magnetization pattern for wheel speed detection encoder The number of poles on the Magnetic encoder for wheel speed detection (N-pole and S-pole) have changed.Past trouble: When the diagnostic trouble code No.C100A is also set,carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor.When C100A is not set,the following conditions may be present: Some wheels slip Unstable vehicle attitude External noise interference Vehicle ran with the parking brake applied.