VIDEO

Informace

Mazda

Mazda B12a

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

Mazda B12a

Basic error definition

Multiple Cylinder Misfire Detected

Cause of DTC

Engine started; adaptive numerator updated, engine speed less than 3000 rpm, and the PCM detected a misfire condition (1-2%) within 1000 revolutions (High Emissions) or a 2-10% misfire condition within 200 revolutions (Catalyst Damaging) in two or more cylinders. Note: If the misfire is severe, the MIL will flash on off on the 1st trip!