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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Knock Sensor Module: Service and Repair









Removal Procedure
1. Remove the PCM. Refer to PCM Replacement/Programming.
2. Remove the access cover from the PCM.
3. Carefully squeeze the latches on the KS Module and carefully remove the KS Module. Apply pressure in the direction as shown.

Installation Procedure
1. Carefully insert the KS module into the socket.
2. Carefully press down on the KS Module until the latches catch.
3. Install the PCM access cover.
4. Install the PCM. Refer to PCM Replacement/Programming.