Symptoms-Engine Electrical
| IMPORTANT | The following steps must be completed before using the symptom tables. |
- Perform «DIAGNOSTIC SYSTEM CHECK-ENGINE ELECTRICAL»(/buick/park-avenue/ii-2002-2005/remont/body-electrical/#battery) before using the Symptom Tables in order to verify that all of the following are true: There are no DTCs set. The control modules can communicate via the serial data link.
- Review the system descriptions and operations in order to familiarize yourself with the system functions. Refer to one of the following system operations: «BATTERY DESCRIPTION AND OPERATION»(/buick/park-avenue/ii-2002-2005/remont/body-electrical/#battery) «STARTING SYSTEM DESCRIPTION AND OPERATION»(/buick/park-avenue/ii-2002-2005/remont/starter/#starting-system) «DESCRIPTION & OPERATION»(/buick/park-avenue/ii-2002-2005/remont/charging-system/#charging-system__description-operation) in GENERATORS & REGULATORS.