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 MANUALSVOLVO2003V70 2.4 L5-2.4L VIN 61 B5244SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSECM CODES (ENGINE CONTROL MODULE)ECM-3010SIGNAL MISSING
2003 Volvo V70 2.4 L5-2.4L VIN 61 B5244S
Signal Missing
2003 Volvo V70 2.4 L5-2.4L VIN 61 B5244SSECTION Signal Missing
Signal missing
Checking components and connections
Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation.
Check the signal cable between engine control module (ECM) terminal #A47 (#A47) and camshaft position (CMP) sensor 2. Check for an open-circuit. Check for a short-circuit to supply voltage. Check for a short-circuit to ground.
Check the power supply cable between control module terminal #A57 (#A57) and camshaft position (CMP) sensor 1. Check for an open-circuit. Check for a short-circuit to supply voltage. Check for a short-circuit to ground.
Check the ground lead between control module terminal #A65 (#A65) and camshaft position (CMP) sensor 3. Check for an open-circuit.
Remedy as necessary.
Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- For information about signals, see Signal specification Signal Description / Specification
- To access or replace the camshaft position (CMP) sensor on the exhaust side, see Camshaft seal/variable valve timing (VVT) unit, replacing Camshaft Seal/Variable Valve Timing (VVT) Unit, Replacing
- To fault-trace wiring and terminals, see Checking wiring and terminals Checking Wiring And Terminals.
Continue - Verification
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Verification
Information
Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
The information can be displayed again or the fault-tracing for this fault can be interrupted.
Do you want to view the information again?
Yes - Attempt New Test
No - Fault Found
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FAULT FOUND - Fault Found
Attempt New Test - Checking components and connections
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - FAULT-TRACING FAILED
No - Attempt New Test
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FAULT-TRACING FAILED - FAULT-TRACING FAILED
Attempt New Test - Checking components and connections
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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.