Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Volvo XC70FACTORY OEM SERVICE PROCEDURE
Ignition And Control Systems - Specifications, Electrical/Electronic (XC)
- Signal Description, Engine Control Module (ECM) (B5254T2; 2003-2004)
- Signal Description. Me7 (B5244T3; 2001)
- Signal Specification (B5244T3; 2002)
- Signal Specification, Engine Control Module (ECM) (B5254T2; 2005-2007)
- Specifications (B5244T3; 2001)
- Component specifications
- Notes
- Bosch ME 7 engine control module (ECM)
- Throttle unit
- Accelerator pedal (AP) position sensor
- Pressure regulator
- Mass air flow (MAF) sensor
- Fuel pump
- Injector
- Boost pressure sensor
- Turbocharger (TC) control valve
- Camshaft reset valve
- Intake air temperature sensor
- Engine coolant temperature (ECT) sensor
- Knock sensor (KS)
- Camshaft position sensor (CMP)
- Engine speed (RPM) sensor
- Front heated oxygen sensor (HO2S)
- Preheating, front heated oxygen sensor (HO2S)
- Rear heated oxygen sensor (HO2S)
- Preheating, rear heated oxygen sensor (HO2S)
- Ignition coil
- Spark plugs
- Outer temperature sensor
- A/C pressure sensor
- Canister purge (CP) valve
- EVAP canister shut-off valve
- Fuel tank pressure sensor
- Air conditioning (A/C) relay
- Engine cooling fan (FC) control module
- System relay (2/32)
- Clutch pedal sensor
- Brake pedal sensor
- Stop lamp switch
- Coolant level sensor
- Oil pressure switch
- Component specifications
- Specifications (B5244T3; 2002)
- Specifications, Engine Management System (B5254T2; 2003-2004)
- Specifications, Engine Management System (B5254T2; 2005-2007)
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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