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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CMP Sensor (HVS) in Distributor

The CMP sensor is located in the distributor base. The distributor is driven by the camshaft and distributes the secondary voltage to the spark plugs through the distributor rotor, cap, and wires. The CMP sensor produces a signal once every revolution of the camshaft. The CMP signal identifies the position of the #1 cylinder relative to the crankshaft.