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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSHONDA2006ELEMENT EX, 2.4 YH1, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISPGM-FI SYSTEMDTC TROUBLESHOOTINGDTC P0685: ECM/PCM POWER CONTROL CIRCUIT MALFUNCTION
2006 Honda Element EX, 2.4 YH1, Standard
DTC P0685: ECM/PCM Power Control Circuit Malfunction
2006 Honda Element EX, 2.4 YH1, StandardSECTION DTC P0685: ECM/PCM Power Control Circuit Malfunction
NOTE:
- If the problem does not return after clearing the DTC, or if this DTC is stored intermittently, check for loose terminals at the IGP line connectors before you replace the ECM/PCM.
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
- Turn the ignition switch ON (II).
- Clear the DTC with the HDS.
- Start the engine, and let it idle 30 seconds.
- Turn the ignition switch OFF.
- Start the engine, and let it idle 30 seconds.
- Turn the ignition switch OFF.
- Turn the ignition switch ON (II).
- Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0685 indicated?
- YES- Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM (see ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see MAP SENSOR REPLACEMENT ).
- NO- Intermittent failure, system is OK at this time.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.