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.
2004 Volvo V40 BaseFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Miscellaneous
MISCELLANEOUS LOCATION
| Component | Location |
|---|---|
| Alarm Siren (2) (8/35) | Front of engine compartment. See Figure . |
| Antenna Amplifier (16/10) | On rear of roof. See Figure . |
| Battery (1/1) | Left front of engine compartment.Figure . |
| CD Changer (16/15) | Behind left rear lights. See Figure . |
| Contact Reel (18/4) | Top of steering column. See Figure . |
| Data Link Connector (17/1) | Under left side of dash, right of steering column. See Figure . |
| Distribution Rail (15/1-8) | Behind left center of dash. See Figure . |
| Electronic Immobilizer Antenna Ring (7/38) | Near ignition switch. See Figure . |
| Fuel Preheater (9/10) | Left side of engine compartment. See Figure . |
| Fuel Throttle Body (Engine) (5/56) | Top left rear of engine. See Figure . |
| Generator (6/7) | Right side of engine. See Figure . |
| Horn 1 (16/9) | Front of engine compartment.Figure . |
| Horn 2 (16/16) | Front of engine compartment.Figure . |
| Ignition Coils (4/30 EMS 2000) | Top of engine.Figure . |
| Inflatable Curtain (Left/Right) (8/39-40) | Above respective doors. See Figure . |
| Seat Belt Tensioner (Driver's/Passenger Side) (8/10-11) | On respective "B" pillar. See Figure . |
| Terminal Block (11/2:A, B, C. D, E, F, G, H, I) | On passenger compartment fuse & relay box.Figure . |
| Terminal Block (11/2:I) | On passenger compartment fuse & relay box.Figure . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.