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 MANUALSHONDA2018RIDGELINE BLACK EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICALACTIVE CONTROL ENGINE MOUNT - TESTING & TROUBLESHOOTINGHOW TO INFORMATIONHOW TO TROUBLESHOOT THE ACTIVE CONTROL ENGINE MOUNT (ACM) SYSTEMINTERMITTENT FAILURES
2018 Honda Ridgeline Black Edition
Intermittent Failures
2018 Honda Ridgeline Black EditionSECTION Intermittent Failures
The term intermittent failure means a system may have had a failure, but it checks OK now. Check for poor connections or loose terminals at all connectors related to the circuit that you are troubleshooting.
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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.