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 MANUALSCHEVROLET2008HHR SS, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT VIEWS & COMPONENT CONNECTOR END VIEWSCOMPONENT CONNECTOR END VIEWSINPUT SPEED SENSOR

2008 Chevrolet HHR SS, Standard

Input Speed Sensor

2008 Chevrolet HHR SS, StandardSECTION Input Speed Sensor

Fig 1: Input Speed Sensor Connector End View

Courtesy of GENERAL MOTORS CORP.

Input Speed Sensor

Pin	Wire	Circuit	Function
A	0.35 BK	1230	Input Speed Sensor (ISS) High Signal
B	0.35 D-GN	1231	ISS Low Signal

Connector Part Information

OEM: 12162201
Service: Non-Serviceable
Description: 2-Way F Metri-Pack 150.2 Series P2S (NA)

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.