1. General Information
• On-Board Diagnostics (OBD) II
The OBD II system is designed to monitor emission control systems
and key engine components by performing either continuous or
periodic tests of specific components and vehicle conditions. When a
problem is detected, the OBD II system turns on a warning lamp
(MIL) on the vehicle instrument panel to alert the driver typically by
the phrase of “Check Engine” or “Service Engine Soon”. The system
will also store important information about the detected malfunction
so that a technician can accurately find and fix the problem. Here
below follow three pieces of such valuable information:
• Whether the Malfunction Indicator Light (MIL) is commanded
'on' or 'off';
• Which, if any, Diagnostic Trouble Codes (DTCs) are stored;
• Readiness Monitor status.
• Diagnostic Trouble Codes (DTCs)
OBD II Diagnostic Trouble Codes are codes that are stored by
theon-board computer diagnostic system in response to a problem
found in the vehicle. These codes identify a particular problem area
and are intended to provide you with a guide as to where a fault
might be occurring within a vehicle. Here below is an example to
To Next Page
Loading...
Need help?
General