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 XC90 AWD L6-3.2L VIN 98 B6324SFACTORY OEM SERVICE PROCEDURE
Component Location, Central Electronic Module (CEM)
Location of components
Note! The illustrations in this service information are used for different model years and / or models. Some variation may occur. However, the essential information is always correct.
Location Of Components (Central Electronic Module - CEM):
central electronic module (CEM)
1. Central electronic module (CEM).
Location Of Components (Lighting Exterior, Front):
Lighting exterior, front
1. Headlamps
2. Front turn signal lamps
3. Front fog lamps
4. Front side turn signal flashers
5. Motor for headlamp beam height control.
(Location Of Components (Lighting Exterior, Rear):
Lighting exterior, rear
1. Lower tail lamp
2. Upper tail lamp
3. Tail lamps in the bumper
4. High level stop lamp
5. License plate lighting.
Location Of Components (Inner Lighting) (Part 1):
Inner lighting
- 1. Lighting glove compartment
- 2. Courtesy lighting
- 3. Ignition key lighting
- 4. Dashboard environment panel lighting
- 5. Door switch
- 6. Gear selector lighting.
Location Of Components (Inner Lighting) (Part 2):
- 7. Interior lighting and the upper electronic module (UEM)
- 8. Vanity mirror lighting
- 9. Rear reading lamp
- 10. Cargo compartment lighting.
Location Of Components (Warning and Indicator Lamps):
Warning and indicator lamps
1. Seat belt reminder
2. PAD lamp
3. MIL lamp
4. Alarm diode
5. Indication reduced alarm
6. Indicator lamp hazard warning signal flashers
7. Indicator lamp fog lamp front
8. Indicator lamp fog lamp rear.
Location Of Components (Sensors):
Sensors
1. Outside temperature
2. Fuel level (Gasoline/Diesel)
3. Clutch pedal
4. Accelerator pedal (AP) position sensor
5. Twilight sensor
6. Sun sensor.
Location Of Components (LIN Nodes):
IN nodes
1. Combustion preheater module (CPM)
2. Light switch module (LSM)
3. Steering wheel module (SWM)
4. Alternator control module (ACM)
5. Blind Spot Information System (BLIS).
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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