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 MANUALSHYUNDAI2011ACCENT GLS, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 2)DTC P0645: A/C CLUTCH RELAY CONTROL CIRCUITINSPECTION/REPAIRCOMPONENT INSPECTION
2011 Hyundai Accent GLS, Automatic
Component Inspection
2011 Hyundai Accent GLS, AutomaticSECTION Component Inspection
- A/C relay check
- Key "OFF".
- Disconnect A/C relay.
- Measure the resistance between terminal 1 and 2 of A/C relay component side.
- Measure the resistance between terminal 3 and 5 of A/C relay component side.
- Is the measured resistance within specifications?
YES
- Substitute with a known - good ECM and check for proper operation.
If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known - good A/C relay and check for proper operation.
If the problem is corrected, replace A/C relay and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Substitute with a known - good ECM and check for proper operation.
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.