Table of Contents
The second-generation Saab 9-5 was built on GM's Epsilon II platform. Production began in 2009, but the company declared bankruptcy in 2011, and production ceased in 2012. Below is a detailed overview of the fuse box diagrams for the Saab 9-5 (2nd Gen; chassis code YS3G) across model years 2009, 2010, 2011, and 2012.
This guide includes the locations and photographs of all power distribution centers. Fuses dedicated to the "Cigarette Lighter" and "Fuel Pump" circuits are highlighted in bold text.
Luggage Compartment Fuse Box
The fuse box is located behind the access trim panel on the left side of the luggage compartment.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| 1 | Central locking system | ? |
| 2 | Air conditioning system | ? |
| 3 | Not used | - |
| 4 | Not used | - |
| 5 | Not used | - |
| 6 | Not used | - |
| 7 | Not used | - |
| 8 | Not used | - |
| 9 | Not used | - |
| 10 | Auxiliary coolant heater | ? |
| 11 | Power seat control module | ? |
| 12 | Auxiliary heater control module | 10 A |
| Memory seat module | ? | |
| 13 | Not used | - |
| 14 | Not used | - |
| 15 | Not used | - |
| 16 | Not used | - |
| 17 | Heated seat modules | ? |
| 18 | Not used | - |
| 19 | Not used | - |
| 20 | Ventilated driver seat | ? |
| 21 | Ignition switch circuit | ? |
| 22 | Not used | - |
| 23 | Overhead console | 5 A |
| Anti-theft alarm system | ? | |
| 24 | Left park lamps | ? |
| 25 | Right park lamps | ? |
| 26 | Interior lighting | ? |
| 27 | Exterior lighting | ? |
| 28 | Not used | - |
| 29 | Not used | - |
| 30 | Not used | - |
| 31 | Auto-dimming rear-view mirror, Adaptive Cruise Control (ACC distance sensor/camera), Chassis Control Module, garage door opener, high beam assist, Lane Departure Warning (LDW) | 10 A |
| 32 | Side Blind Zone Alert sensors | 10 A |
| 33 | Rear Differential Control Module (eLSD / AWD) | 10 A |
| 34 | Power sunroof | 30 A |
| 35 | 2.8L engine: Keyless entry system / passive entry module | 30 A |
| 36 | Power seat motor drive | ? |
| 37 | Not used | - |
Passenger Compartment Fuse Box
Located behind the access cover on the driver-side lower instrument panel.
Overview of the passenger compartment cabin fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| R1 | Auxiliary power outlet / cigarette lighter socket relay | |
| R2 | Not used | |
| R3 | Trunk lid release relay | |
| 1 | Chassis control module, satellite radio, rear seat audio, headrest displays | 10 A |
| 2 | Body Control Module (BCM) | 20 A |
| 3 | 25 A | |
| 4 | Audio system | 20 A |
| 5 | Audio system, display unit, Infotainment control module, rear-view camera, phone, Park Assist, anti-theft alarm system | 15 A |
| 6 | Instrument panel power outlet / cigarette lighter socket | 20 A |
| 7 | Center console power outlet / cigarette lighter socket | 20 A |
| 8 | Body Control Module (BCM) | 30 A |
| 9 | 30 A | |
| 10 | 30 A | |
| 11 | Heating, ventilation, and air conditioning (HVAC) blower module | 50 A |
| 12 | Circuit breaker: Power passenger seat | 25 A |
| 13 | Circuit breaker: Power driver seat | 25 A |
| 14 | Data Link Connector (DLC / OBD-II) | 7.5 A |
| 15 | Supplemental Restraint System (Airbags / SRS) | 10 A |
| 16 | Trunk release relay | 10 A |
| 17 | Heating, ventilation, and air conditioning (HVAC) control module | 10 A |
| 18 | Not used | - |
| 19 | Audio / HVAC control module | 5 A |
| 20 | Passenger presence detection system (occupant classification module) | 5 A |
| 21 | Instrument cluster | 10 A |
| 22 | Ignition switch, keyless start system | 5 A |
| 23 | Body Control Module (BCM) | 20 A |
| 24 | 20 A | |
| 25 | Telematics module (OnStar) | 15 A |
| 26 | Luggage compartment power outlet / cigarette lighter socket | 20 A |
Engine Compartment Fuse Box
Component layout:
1. Main Underhood Electrical Center
2. High-Current Power Fuse Block
Main Distribution Unit
General view.
| Diagram | ||
|---|---|---|
|
||
| Serviceable Relays | ||
| R1 | A/C compressor clutch relay | |
| R2 | Starter solenoid relay | |
| R3 | Engine cooling fan relay | |
| R4 | Windshield wiper speed control relay | |
| R5 | Windshield wiper ON/OFF relay | |
| R6 | Right Daytime Running Light (DRL) relay | |
| R7 | Engine Control Module (ECM) power relay | |
| R8 | Saab 9-5 fuel pump relay | |
| R9 | Cooling fan relay (low speed #1) / Left cooling fan relay (high speed) | |
| R10 | Cooling fan relay (low speed #2) | |
| R11 | Windshield washer pump relay | |
| R12 | Engine cooling fan speed control relay | |
| R13 | Cooling fan relay (high speed) / Right cooling fan relay (high speed) | |
| R14 | Low beam headlamps / Left Daytime Running Light (DRL) relay | |
| R15 | Ignition main relay | |
| R16 | Fuel preheater / Secondary Air Injection (SAI) pump relay | |
| R17 | Heated rear window (defogger) relay | |
| Non-Serviceable Relays (PCB-Mounted) | ||
| R18 | Horn relay | |
| R19 | Rear window washer pump relay | |
| R20 | Windshield wiper relay | |
| R21 | Windshield washer pump relay | |
| R22 | Front fog lamps relay | |
| R23 | High beam headlamps relay | |
| R24 | Central locking system relay | |
| R25 | Anti-theft system relay | |
| No. | Fuses | Amps |
| 1 | Transmission Control Module (TCM) | 15 A |
| 2 | Engine Control Module (ECM) | 15 A |
| 3 | Not used | - |
| 4 | Not used | - |
| 5 | Transmission Control Module (TCM), Engine Control Module (ECM) | 15 A |
| 6 | Windshield wiper relay | 30 A |
| 7 | Not used | - |
| 8 | 2.8L V6 engine: Ignition coils (cylinders 2, 4, 6) | 15 A |
| 9 | 2.0L engine: Ignition coils | 15 A |
| 2.8L V6 engine: Ignition coils (cylinders 1, 3, 5), fuel injectors | 15 A | |
| 10 | Engine Control Module (ECM) | 15 A |
| Engine Control Module (ECM), Glow Plug Control Module | 20 A | |
| 11 | 2.0L engine: Heated oxygen sensors (HO2S #1 & #2), EVAP purge solenoid, turbocharger wastegate solenoid, turbo bypass valve | 10 A |
| 2.8L V6 engine: Heated oxygen sensors (HO2S #1 & #2), EVAP purge solenoid, turbocharger wastegate solenoid, turbo bypass valve, variable valve timing (VVT) solenoids | 10 A | |
| 12 | Starter relay | 30 A |
| 13 | Transmission Control Module (TCM), fuel pump control module, heated positive crankcase ventilation (PCV) heater | 7.5 A |
| 14 | Right Daytime Running Light (DRL) relay | 15 A |
| 15 | Rear window wiper relay | 20 A |
| 16 | 2.0L engine: Mass Air Flow (MAF) / Intake Air Temperature (IAT) sensor, fuel-air ratio sensor, overhead console, electric vacuum pump | 7.5 A |
| 2.8L V6 engine: Mass Air Flow (MAF) sensor, overhead console, electric vacuum pump, air quality sensor | 7.5 A | |
| 17 | Supplemental Restraint System (Airbags / SRS) | 5 A |
| 18 | Headlamp control module | 15 A |
| 19 | Headlamp leveling system | 10 A |
| 20 | Fuel pump relay | 20 A |
| 21 | Power windows | 30 A |
| 22 | Electronic Brake Control Module (EBCM / ABS) | 30 A |
| 23 | Power steering control module | 10 A |
| 24 | Front power windows | 30 A |
| 25 | Auxiliary AC outlet / power inverter module | 30 A |
| 26 | Electronic Brake Control Module (EBCM / ABS) | 60 A |
| 27 | Electric Parking Brake (EPB) control module | 30 A |
| 28 | Heated rear window | 40 A |
| 29 | Driver seat power lumbar support | 15 A |
| 30 | Front passenger seat power lumbar support | 15 A |
| 31 | A/C compressor clutch relay | 10 A |
| 32 | Body Control Module (BCM) | 20 A |
| 33 | Heated seat control module | 25 A |
| 34 | Sunroof control module, power sunshade | 25 A |
| 35 | Audio amplifier | 30 A |
| 36 | Not used | - |
| 37 | Right high beam headlamp | 10 A |
| 38 | Left high beam headlamp | 10 A |
| 39 | Not used | - |
| 40 | Not used | - |
| 41 | 2.0L engine: Keyless entry / central locking receiver | 30 A |
| 2.8L V6 engine: Electric vacuum brake booster pump | 30 A | |
| 42 | Cooling fan relay #1 (low speed), cooling fan relay #2 (low speed), headlamp washer pump relay | 60 A |
| 43 | Heated windshield washer nozzles, keyless entry receiver | 30 A |
| 44 | Headlamp washer pump relay | 25 A |
| 45 | Dual fan setup: Cooling fan relay (high speed), cooling fan relay (low speed) | 30 A |
| Single fan setup: Cooling fan relay (high speed) | 60 A | |
| 46 | Dual fan setup: Cooling fan speed control relays #1/#2, right cooling fan relay (low speed), left cooling fan relay (low speed), cooling fan relays, A/C compressor clutch relay | 10 A |
| Single fan setup: Cooling fan speed control relay, cooling fan relay #2 (low speed), A/C compressor clutch relay | 10 A | |
| 47 | Heated oxygen sensors (HO2S) | 10 A |
| 48 | Front fog lamps | 15 A |
| 49 | Right low beam headlamp | 15 A |
| 50 | Left low beam headlamp | 15 A |
| 51 | Horn | 15 A |
| 52 | Instrument cluster | 5 A |
| 53 | Headlamp leveling, ventilated seats, auto-dimming rear-view mirror, rear-view camera, Tire Pressure Monitoring System (TPMS) | 10 A |
| 54 | Headlamp switch, auxiliary heater | 5 A |
| 55 | Power exterior mirrors | 7.5 A |
| 56 | Windshield washer pump | 15 A |
| 57 | Electronic steering column lock | 15 A |
| 58 | Not used | - |
| 59 | 2.0L diesel engine: Fuel heater relay | 30 A |
| 2.8L engine: Secondary Air Injection (SAI) pump relay | 30 A | |
| 60 | Power exterior mirrors | 7.5 A |
| 61 | 7.5 A | |
| 62 | Evaporative Emission Control System (EVAP) purge valve | 10 A |
| 63 | Body Control Module (BCM), glass breakage sensor | 7.5 A |
| 64 | Headlamp control module | 5 A |
| 65 | Anti-theft alarm system | 7.5 A |
| 66 | Rear window washer pump relay | 15 A |
| 67 | Fuel pump fuse | 20 A |
| 68 | Not used | - |
| 69 | Body Control Module (BCM) | 5 A |
| 70 | Rain sensor / windshield wiper sensor | 5 A |
| 71 | Not used | 5 A |
High-Current Power Fuse Links
Description:
1. Underhood fuse and relay box (250 A)
2, 3. Cabin fuse and relay box (100 A)
4, 5. Trunk fuse box (100 A)
6. Starter motor, alternator (300 A)