Saturn Astra (2008 – 2009) – fuse box diagram
Year of production: 2008, 2009
Engine Compartment Fuse Block
The engine compartment fuse block is located in the front left side of the engine compartment.
| Fuses | Usage |
| 1 | Antilock Brake System (ABS) Valves |
| 2 | ABS Pump |
| 4 | Climate Control System (Ignition) |
| 5 | Engine Cooling Fan (AT and AC only) |
| 6 | Engine Cooling Fan |
| 7 | Windshield & Liftgate Glass Washer Moto |
| 8 | Horn |
| 10 | Door Locks |
| 13 | Foglamps |
| 14 | Windshield Wipers (high speed) |
| 15 | Windshield Wipers (low speed) |
| 16 | Antilock Brake System, Brake Lamp Switch |
| 17 | Vacuum Pump |
| 18 | Starter |
| 20 | Air Conditioning Clutch |
| 21 | Engine Control Module (ECM) (Main Relay) |
| 22 | ECM (Battery) |
| 24 | Fuel Pump/Injectors |
| 26 | ECM (Sensor and Actuators) |
| 27 | Power Steering |
| 28 | Automatic Transmission (Battery) |
| 29 | Automatic Transmission (Ignition) |
| 30 | ECM (Ignition) |
| 32 | Brake Switch |
| 34 | Steering Column Module |
| 35 | Radio |
| 36 | OnStar™ Module/ OnStar™ Interface Module/Display |
Rear Compartment Fuse Block
The rear compartment fuse block is located on the left side of the cargo area behind a cover.
| Fuses | Usage |
| 1 | Front Power Window |
| 3 | Cluster |
| 4 | Climate Control System (Battery) |
| 11 | Rear Defogger |
| 12 | Rear Windshield Wiper |
| 14 | Climate Control System (Ignition) |
| 16 | Front Passenger Seat Detection Senso |
| 17 | Tire Pressure Monitoring System (TPMS)/ Rain Sensor/Inside Rearview Mirror |
| 18 | Interior Lights |
| 21 | Outside Mirror Heating |
| 22 | Sunroof |
| 23 | Rear Power Window |
| 24 | Diagnostic Link Connector |
| 29 | Accessory Power Outlet (APO) |
| 34 | Sunroof |
| 38 | Door Locks |
| 39 | Seat Heating Driver |
| 40 | Seat Heating Front Passenger |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.