VIDEO

Informace

Hyundai

Hyundai B1620

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

Hyundai B1620

Basic error definition

Idle Control System RPM Higher Than Expected

Cause of DTC

Enable conditions are as follows: coolant temperature 156 ºF (69 ºC) minimum, intake air temperature 19 ºF (-7 ºC), fuel trim 0.73-1.47, throttle closed and battery voltage at least 10.5 volts. The execution time is once per driving cycle and the duration time is 20 seconds or more. If the actual idle speed varies beyond a specified value from the target speed over a certain period of time, the PCM detects a malfunction. The actual idle speed is at least 200 rpm greater than the target idle speed for at least 20 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.