DTC Infiniti U121A Short Explanation
Channel: Maxidot
Date: 2020-06-02

The video focuses on the basic Infiniti 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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#maxidot #dtc #howto #diagnostictroublecode #infiniti




Make
Infiniti
Code
U121A
Definition
Right Rear Wheel Speed Sensor Circuit
Description
C0035 00-C0050 00 Ignition ON  Ignition voltage is greater than 95 V  C0035 5A-C0050 5A Ignition ON  Ignition voltage is greater than 95 V  The brake pedal is not pressed  A DTC is not set for the other wheel speed sensor on the same axle
Cause
C0035 00-C0050 00A short to ground,  or an open or high resistance is detected on the wheel speed sensor 12 V reference circuitA short to voltage,  short to ground or an open or high resistance is detected on the signal circuitWheel speed sensor power supply is less than 76 VA missing wheel speed sensor signalC0035 5A-C0050 5A An erratic signal output of the wheel speed sensor is detected