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 MANUALSHYUNDAI2013GENESIS COUPE 2.0T PREMIUMREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 43 (ENGINE CONTROL SYSTEM (DTC TROUBLESHOOTING) (2 OF 3) - 2.0L)DTC P0532: A/C REFRIGERANT PRESSURE SENSOR 'A' CIRCUIT LOW INPUTSIGNAL CIRCUIT INSPECTION

2013 Hyundai Genesis Coupe 2.0T Premium

Signal Circuit Inspection

2013 Hyundai Genesis Coupe 2.0T PremiumSECTION Signal Circuit Inspection

WARNING: This page is about a different car, the 2012 Hyundai Genesis Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Check for Short to Ground in Signal Circuit
1. IG KEY OFF.
2. Disconnect ECM and A/C pressure sensor harness connector.
3. Measure resistance between signal terminal of A/C pressure harness connector and chassis ground.
  Specification : Infinite
  
  Fig 1: Measuring Resistance Between Signal Terminal Of A/C Pressure Harness Connector & Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within specification?
  YES
  - Go to next step.
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for Open in Signal Circuit
1. IG KEY OFF.
2. Disconnect A/C pressure sensor harness connector.
3. Measure resistance between both ends of signal line.
  Specification : Below 1Ω
  
  Fig 2: Measuring Resistance Between Both Ends Of Signal Line
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within specification?
  YES
  - Go to next Inspection procedure.
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

RENDER: 1.0x

NO RELATED

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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.