VIDEO

Informace

Infiniti

Infiniti P2A03

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

Infiniti P2A03

Basic error definition

Air Fuel (A F) Ratio Sensor 1 Circuit Range Performance

Cause of DTC

NOTE: On V6 and V8 engines, this applies to Bank 2. The output voltage computed by ECM from the A F sensor 1 signal is shifted to the lean side for a specified period. The A F signal computed by ECM from the A F sensor 1 signal is shifted to the rich side for a specified period. To judge the malfunction, the A F signal computed by ECM from the A F sensor 1 signal is monitored so it will not shift to LEAN side or RICH side.