Electrical Power Management Block Diagram
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| K9 | K9 Body Control Module |
| K20 | K20 Engine Control Module |
| G13 | G13 Generator |
Idle Boost and Load Shed With Current Sensor
| Function | Battery Temperature Calculation | Battery Voltage Calculation | Amp-Hour Calculation | Action Taken |
|---|---|---|---|---|
| Idle Boost 1 Start | Less Than -15°C (5°F) | Less Than 13 V | - | First level Idle boost requested |
| Idle Boost 1 Start | - | - | Battery has a net loss greater than 0.6 Ah | First level Idle boost requested |
| Idle Boost 1 Start | - | Less Than 11 V | - | First level Idle boost requested |
| Idle Boost 1 End | Greater Than -10°C (14°F) | Greater Than 12 V | Battery has a net loss less than 0.2 Ah | First level Idle boost request cancelled |
| Idle Boost 2 Start | - | - | Battery has a net loss greater than 1.6 Ah | Second level Idle boost requested |
| Idle Boost 2 Start | - | Less Than 11 V | - | Second level Idle boost requested |
| Idle Boost 2 End | - | Greater Than 12 V | Battery has a net loss less than 0.8 Ah | Second level Idle boost request cancelled |
| Load Shed 1 Start | - | - | Battery has a net loss of 4 Ah | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 20% of their cycle |
| Load Shed 1 Start | - | Less Than 11 V | - | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 20% of their cycle |
| Load Shed 1 End | - | Greater Than 12 V | Battery has a net loss of less than 2 Ah | Clear Load Shed 1 |
| Idle Boost 3 Start | - | - | Battery has a net loss of 10 Ah | Third level Idle boost requested |
| Idle Boost 3 Start | - | Less Than 11 V | - | Third level Idle boost requested |
| Idle Boost 3 End | - | Greater Than 12 V | Battery has a net loss of less than 6.0 Ah | Third level Idle boost request cancelled |
| Load Shed 2 Start | - | - | Battery has a net loss greater than 12 Ah | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 50% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC |
| Load Shed 2 Start | - | Less Than 11 V | - | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 50% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC |
| Load Shed 2 End | - | Greater Than 12 V | Battery has a net loss of less than 8 Ah | Clear Load Shed 2 |
| Load Shed 3 Start | - | Less Than 11.9 V | Battery has a net loss greater than 20 Ah | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 100% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC |
| Load Shed 3 Start | - | Less Than 11 V | - | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 100% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC |
| Load Shed 3 End | - | Greater Than 12.6 V | Battery has a net loss of less than 13 Ah | Clear Load Shed 3 |
Idle Boost and Load Shed Without Current Sensor (based on battery voltage)
| Function | Battery Temperature Calculation | Battery Voltage Calculation | Action Taken |
|---|---|---|---|
| Idle Boost 1 Start | Less Than -15°C (5°F) | Less Than 13 V | First level Idle boost requested |
| Idle Boost 1 Start | - | Less Than 12.6 V | First level Idle boost requested |
| Idle Boost 1 End | Greater Than -15°C (5°F) | - | First level Idle boost request cancelled |
| Idle Boost 1 End | - | Greater Than 13 V | First level Idle boost request cancelled |
| Idle Boost 2 Start | - | Less Than 12.4 V | Second level Idle boost requested |
| Idle Boost 2 End | - | Greater Than 12.5 V | Second level Idle boost request cancelled |
| Load Shed 1 Start | - | Less Than 12.3 V | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 20% of their cycle |
| Load Shed 1 End | - | Greater Than 12.4 V | Clear Load Shed 1 |
| Idle Boost 3 Start | - | Less Than 10 V | Third level Idle boost requested |
| Idle Boost 3 End | - | Greater Than 12.3 V | Third level Idle boost request cancelled |
| Load Shed 2 Start | - | Less Than 12.1 V | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 50% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC |
| Load Shed 2 End | - | Greater Than 12.2 V | Clear Load Shed 2 |
| Load Shed 3 Start | - | Less Than 11.9 V | Rear Defrost, Heated Mirrors, Heated Seats, HVAC cycled OFF for 100% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC |
| Load Shed 3 End | - | Greater Than 12.0 V | Clear Load Shed 3 |