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.
2002 Volvo V70 XCFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Component Location |
|---|---|
| ABS Control Module | On left rear of engine compartment. See Figure . |
| Accessory Electronic Module | Behind right rear quarterpanel. See Figure . |
| Blower Fan Power Unit | On right side of HVAC housing. |
| Brake Control Module | At left rear of engine compartment. See Figure . |
| Central Electronic Module | Behind left side of dash, on passenger compartment relay box. See Figure . |
| Central Locking/Alarm Remote Control Unit | Behind upper left side of dash. |
| Central Locking/Anti-Theft Alarm Control Module | Behind lower left end of dash. |
| Cooling Fan Control Module | At right front of engine compartment. See Figure . |
| Dolby Module | Behind center of dash. |
| Electronic Start Inhibitor | Behind left side of dash. |
| Electronic Throttle Module (C70) | On left rear of intake manifold. |
| Electronic Throttle Module (V70) | On left side of engine. See Figure . |
| Engine Control Module (C70) | On right front inner fender panel, in control module box. See Figure . |
| Engine Control Module (V70) | At right side of engine compartment, forward of strut tower. See Figure . |
| Fan Control Module | Behind right side of dash, near blower fan. See Figure . |
| Power Sun Roof Control Module | Near sun roof motor. |
| Rear Electronic Module | At rear left corner of vehicle, on cargo compartment relay/fuse box. See Figure . |
| Rollover Bar Control Module | Behind right passenger seat. |
| RTI Control Module | Behind center of dash. |
| Seat Control Modules (2) | Under driver's & passenger's seat. |
| Siren Control Module | At right front corner of engine compartment. See Figure . |
| SRS Control Module | Under center console, near shift lever. |
| Steering Angle Sensor Module | On side of passenger compartment relay box. See Figure . |
| Sun Roof Control Module | Forward of sun roof opening. See Figure . |
| Supplementary Restraint System Control Module | Under rear of center console. See Figure . |
| Transmission Control Module (C70) | On right front inner fender panel, in control module box. See Figure . |
| Transmission Control Module (V70) | At right side of engine compartment, forward of strut tower. See Figure . |
| Upper Electronic Module | Above center of windshield, on rearview mirror. See Figure . |
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.