RETRIEVING & ERASING CODES
| CAUTION | Never disconnect or connect ECM connector with ignition on. |
Follow tool manufacturer's instructions if retrieving or erasing codes with Volvo Scan Tool (998-8686 ) or generic scan tool. See TROUBLE CODE DEFINITION table. Either scan tool must be connected to DLC located in console to right of parking brake lever. (Scheme 19)
Scheme 19
On-Board Diagnostics (OBD-II)
OBD-II is a legally required diagnostic system. OBD-II DLC enables a generic scan tool to be connected to management system to read codes and parameters which alter exhaust emission levels. Information provided is not as comprehensive as that provided by Volvo Scan Tool (998-8686 ).
SUMMARY
If no hard fault codes (or only pass codes) are present, driveability symptoms exist or intermittent codes exist, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.