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 MANUALSKIA2009SORENTO 2WD V6-3.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMCRANKSHAFT POSITION SENSORTESTING AND INSPECTION
2009 Kia Sorento 2WD V6-3.3L
Crankshaft Position Sensor: Testing and Inspection
2009 Kia Sorento 2WD V6-3.3LSECTION Testing and Inspection
INSPECTION
FUNCTION AND OPERATION PRINCIPLE
Crankshaft Position Sensor (CKPS) detects the crankshaft position and is one of the most important sensors of the engine control system. If there is no CKPS signal input, fuel is not supplied and the main relay does not operates. That is, vehicle can't run without CKPS signal. This sensor is installed on transaxle housing and generates alternating current by magnetic flux field which is made by the sensor and the target wheel when the engine rotates.The target wheel consists of 58 slots and 2 missing slots on 360 CA (Crank Angle).
SPECIFICATION
WAVEFORM
SCHEMATIC DIAGRAM
COMPONENT INSPECTION
1. Check signal waveform of CMPS and CKPS using a scantool.
Specification: Refer to "WAVE FORM"
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.