Retrieving Diagnostic Trouble Codes
NOTE:
DTCs are retrieved using TECH 2 or other OBD-II compatible scan tool.
- DTC retrieval starts with OBD-II diagnostic system check. See ON-BOARD DIAGNOSTIC II SYSTEM CHECK . See WIRING DIAGRAMS for circuits and terminals referenced in testing.
- Turn ignition on. MIL should come on and remain on steady when ignition is on and engine is not running. When engine is started, MIL should go off. If light remains on while engine is running, a DTC is stored.
- If light does not illuminate with ignition on and engine off, inspect MIL circuit before continuing. If MIL fails to operate, see NO MALFUNCTION INDICATOR LIGHT (CHECK ENGINE LIGHT) under SYSTEM TESTS.
- To retrieve codes, connect scan tool to Data Link Connector (DLC). DLC is located at lower left side of instrument panel, behind a small cover. See Fig 1. Follow scan tool manufacturer's instruction for DTC retrieval.