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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General Description

Vehicle Speed Sensor (2WD):






DESCRIPTION
This device contains a permanent magnet surrounded by a coil of wire producing a magnetic field which is interrupted by rotor teeth pressed on an output shaft. This device is used to provide an output shaft speed signal to the control module. The control module uses the vehicle speed sensor signal input to:

- Calculate vehicle speed, trans output speed, Torque Converter Clutch (TCC) slip speed.
- Control shift quality.