VIDEO

Informace

Isuzu

Isuzu U1040

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

Isuzu U1040

Basic error definition

Fuel Tank Filler Cover Control Switch. Signal Too Low

Cause of DTC

Diagnostic trouble code (DTC) GLA-522 is stored if the control module registers that the tailgate unlocking signal (5-door) or trunk lid opening signal (4-door) from the internal switch is less than 1.5 V for 10 seconds when the ignition is on. Note! A diagnostic trouble code (DTC) may be stored if the internal switch for opening unlocking the trunk lid tailgate is in the opening position for at least 10 seconds. Fault causes of this type are not included in the fault-tracing procedure.