VIDEO

Informace

Acura

Acura P2271

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

Acura P2271

Basic error definition

Rear Secondary HO2S (Bank 1, Sensor 2) Circuit Signal Stuck Rich

Cause of DTC

If, after current is applied to the rear secondary HO2S heater, the rear secondary HO2S does not fluctuate and the output is stuck within the specified area, a malfunction is detected. The rear secondary HO2S (bank 1, sensor 2) output voltage is 0.293 V or more. The execution time is once per driving cycle and the duration time is 36.3 seconds or more. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.