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.
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HOMESERVICE MANUALSVOLVO2004V70 L5-2.4L VIN 64 B5244S6REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESCHECKING CONTROL MODULE CONNECTIONCHECKING CONTROL MODULE CONNECTION
2004 Volvo V70 L5-2.4L VIN 64 B5244S6
Checking Control Module connection
2004 Volvo V70 L5-2.4L VIN 64 B5244S6SECTION Checking Control Module connection
Checking control module connection
Checking control module connection
- Ignition off.
Check that control module connector is correctly connected to control module and that connector lock is working.
Check that control module connector, pins and socket housings are not damaged.
Is the control module correctly connected?
Yes - fault not found
No - control module connection
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Corrective action, control module connection
Connect control module.
Continue - Verification
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Verification
Verification
Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off.
- Reconnect connectors, reinstall components.
- Ignition on.
When the ignition is switched on the control module lights the ABS warning lamp. Check that the warning lamp goes out after approximately 2 seconds.
Note! The warning lamp will not go out if a fault has been stored in the control module.
Does the ABS warning lamp light and go out shortly afterwards?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - Fault Found
VERIFICATION FAILED - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
The fault should be diagnosed and remedied. Since this is not the case the fault-tracing process has failed.
Complete the fault-tracing for those fault or try again.
Do you want to terminate fault-tracing at this time?
Yes - FAULT-TRACING FAILED
No - Attempt New Test
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FAULT-TRACING FAILED - FAULT-TRACING FAILED
Attempt New Test - Checking control module connection
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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.