NORMAL Mode Code Retrieval
- Connect scan tool to Data Link Connector (DLC3). See Fig 1. DLC3 is located under left side of instrument panel. Turn ignition on, engine off. Turn scan tool on. Using scan tool manufacturer's instructions, check for DTCs and freeze-frame data.
- If scan tool displays UNABLE TO CONNECT TO VEHICLE, DLC3 must be checked. See DLC3 INSPECTION under SCAN TOOL PROBLEMS. If scan tool does not display UNABLE TO CONNECT TO VEHICLE, go to next step.
- Record any DTCs and freeze-frame data displayed for system diagnosis. If driveability problem exists and no DTCs are present, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
- If any DTCs are present, perform appropriate test under DIAGNOSTIC TESTS . See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
- After repairs for DTC have been completed, DTCs must be cleared from ECM memory. See CLEARING DIAGNOSTIC TROUBLE CODES .
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