VIDEO

Informace

Lexus

Lexus B1247

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

Lexus B1247

Basic error definition

O2 (B1 S1), obvod Porucha

Cause of DTC

motor beží v uzavretej slučke, čidlá ECT nad 176ºF, signál senzora teploty nasávaného vzduchu cez 14ºF, signál BARO viac ako 75 kPa, otáčky motora nad 1200 otáčok za minútu, objemová účinnosť viac ako 25%, potom sa po PCM velí vstrekovače paliva pulz šírka chudý a bohaté, to zistená doba O2 reakcia bola príliš pomalá, alebo sa detekuje O2 signál bol menší než 0.10v po dobu 3 minút.