VIDEO

Informace

Chevrolet

Chevrolet U1895

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

Chevrolet U1895

Basic error definition

Idle Air Control Motor System Fault

Cause of DTC

snímače IAT menej ako 131ºF počas posledného kľúčového cyklu, začal motor, systémové napätie nad 10V, motor beží na horúcom voľnobehu, čidlá ECT nad 176ºF, snímače teploty nasávaného vzduchu nad 14ºF, Short Term trim palivo od -8% do + 8% , BARO senzor nad 76 kPa, a PCM detekovaná Skutočné voľnobežné otáčky bola viac ako 200 ot./min nad alebo 100 otáčok za minútu pod voľnobehu cieľ na 10 sekúnd.