VIDEO

Informace

Honda

Honda P1658

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

Honda P1658

Basic error definition

Speaker #11. General Electrical Failures. Circuit Short To Ground

Cause of DTC

Subwoofer module (SUB) checks direct voltage on the outputs to the voice coil in left and right bass speaker. The diagnostic trouble code (DTC) is stored if the control module detects that: The direct current difference between the outputs is too large. The control modules test for the diagnostic trouble code (DTC) starts in the event of: Activated control module. Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.