For 1990-2009 cars only
| Table 1: | Generator Battery Control Module Scan Tool Data Parameters |
| Table 2: | Generator Battery Control Module Scan Tool Output Controls |
Parameter | System State | Expected Value | Definition |
|---|---|---|---|
Operating Conditions: Ignition ON, Engine OFF, Brake Released | |||
Battery Voltage Signal | -- | 9-14 V | The scan tool displays 0-20 volts. The scan tool displays the battery voltage as received by the GBCM. |
GEN L-Terminal Signal Command | -- | 10-90% | The scan tool displays 0-100 percent. The scan tool displays 0-5 percent until the engine is running, then the percentage value varies depending on electrical loads. |
Regulated Voltage Control Current Sensor | -- | 10-90 A | The scan tool displays the current measured by the RVC current sensor, in amps. |
Scan Tool Output Control | Description |
|---|---|
GEN L-Terminal | The GBCM commands the generator On and Off. |
