Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Crankshaft Position Sensor: Description and Operation

PURPOSE/OPERATION
The CKP Sensor determines timing for Fuel Injection and ignition of each Cylinder and also detects Engine speed. The TDC Sensor determines Ignition Timing at start-up (cranking) and when crank angle is abnormal. The CYP Sensor detects the position of No. 1 Cylinder for sequential fuel injection to each Cylinder.