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 MANUALSCHEVROLET2009HHR LT, 2.4 V, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSWIRING SYSTEMS AND POWER MANAGEMENT - ELECTRICAL CENTER ID VIEWS & COMPONENT & SPLICE PACK CONNECTOR END VIEWSCOMPONENT CONNECTOR END VIEWSHEATED OXYGEN SENSOR (HO2S) 1 (L61/LE5)
2009 Chevrolet HHR LT, 2.4 V, Standard
Heated Oxygen Sensor (HO2S) 1 (L61/LE5)
2009 Chevrolet HHR LT, 2.4 V, StandardSECTION Heated Oxygen Sensor (HO2S) 1 (L61/LE5)
Heated Oxygen Sensor (HO2S) 1 (L61/LE5)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A | 0.5 TN/WH | 3111 | Heated Oxygen Sensor Low Signal Sensor 1 |
| B | 0.5 PU/WH | 3110 | Heated Oxygen Sensor High Signal Sensor 1 |
| C | 0.5 GY/WH | 3113 | Heated Oxygen Sensor Heater Low Control Sensor 1 |
| D | 0.5 PK/BK | 5291 | Ignition 1 Voltage |
Connector Part Information
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Terminal Part Information
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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.