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 DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSECM CODES (ENGINE CONTROL MODULE)ECM-432AFAULTY SIGNAL3 - INTERMITTENT FAULT
2004 Volvo V70 L5-2.4L VIN 64 B5244S6
3 - Intermittent Fault
2004 Volvo V70 L5-2.4L VIN 64 B5244S6SECTION 3 - Intermittent Fault
Intermittent Fault
The control module has previously detected a fault in the leak diagnostic unit but the fault is not active at present.
Check the leak diagnostic unit connectors. Check for contact resistance and oxidation.
Check the hose and the filter for the air intake on the leak diagnostic unit.
Check for blockages.
Remedy as necessary.
Other Information:
- For resistance values, see Component specifications.
- To connect the breakout box, see Scan Tool Connecting.
- To access or replace the leak diagnostic unit, see Leak diagnostic unit, replacing.
- For information about signals, see Diagnostic Parameters and Pinout Values.
- Checking wiring and terminals.
Continue: Refer to Fault-Tracing Information - Intermittent Fault. Fault-Tracing Information - Intermittent Fault
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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.