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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Knock Sensor Module: Service and Repair

Removing Knock Sensor Module From PCM:




Knock Sensor Module Inside Of PCM:






Knock Sensor Module

Removal Procedure

Caution: To prevent possible electrostatic discharge damage to the PCM and Knock Sensor (KS) module, Do Not touch the connector pins or soldered components on the circuit board.

1. Remove the PCM from the mounting bracket. Refer to Powertrain Control Module / Service and Repair / PCM Replacement/Programming.

2. Remove the knock sensor module access cover.

Notice: To prevent possible electrostatic discharge damage to the PCM, do not touch the connector pins or soldered components on the circuit board.

3. Remove the knock sensor module.

Installation Procedure

1. Install the knock sensor module.

2. Install the access cover.

3. Install the PCM to the mounting bracket.