Symptom Troubleshooting Index

WARNING: This page is about a different car, the 2010 Acura TL and 2009 Acura TL. 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 in ON (II), or the vehicle ignition in the ON mode	Troubleshoot the charging system indicator circuit (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING )
Charging system indicator stays on	Troubleshoot the charging system indicator circuit (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ) Check for a broken drive belt (see DRIVE BELT INSPECTION ) Check the drive belt auto-tensioner (see DRIVE BELT REPLACEMENT ) Check for PGM-FI DTCs
Battery discharged	Check for a poor connection at the battery terminal Check for a broken drive belt (see DRIVE BELT INSPECTION ) Test the battery (see BATTERY TEST ) Troubleshoot the alternator and regulator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ) Check the drive belt auto-tensioner (see DRIVE BELT REPLACEMENT ) Check for excessive parasitic electrical current draw with the ignition switch in LOCK (0), or the vehicle ignition in the OFF mode, and the key removed The multiplex control units 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 )