Symptom Troubleshooting Index

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

TROUBLESHOOTING CHART

Symptom	Diagnostic procedure	Also check for
Charging system indicator does not come on with the ignition switch ON (II)	Troubleshoot the charging system indicator circuit (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ).
Charging system indicator stays on	Check for a broken drive belt (see DRIVE BELT INSPECTION ). Check the drive belt auto-tensioner (see DRIVE BELT AUTO-TENSIONER INSPECTION ). Troubleshoot the charging system indicator circuit (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ).
Battery discharged	Check for a poor connection at the battery terminal. Test the battery (see BATTERY TEST ). Check for a broken drive belt (see DRIVE BELT INSPECTION ). Check the drive belt auto-tensioner (see DRIVE BELT AUTO-TENSIONER INSPECTION ). Troubleshoot the alternator and regulator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ). Check for excessive parasitic electrical current draw with the ignition switch in the LOCK (0) position, and the key removed. The multiplex control unit may take up to 10 minutes to turn off (sleep mode) for some models.
Battery overcharged	Test the battery (see BATTERY TEST ). Troubleshoot the alternator and regulator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ).