Battery Discharged

Battery discharged

Check for a poor connection at the battery terminal.

Test the battery Battery Test.

Troubleshoot the alternator and regulator circuit Alternator and Regulator Circuit Troubleshooting.

Check for a broken drive belt .

Check the drive belt auto-tensioner .

Check for excessive parasitic electrical current draw Parasitic Draw Check.

Check for a broken over-run alternator decoupler (OAD) pulley ('11-12 models) Over-Run Alternator Decoupler (OAD) Pulley Inspection.