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)
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Knock Sensor Inspection
Knock Sensor Inspection Knock Sensor Removal and Installation
1)
Disconnect connector (2) from
knock sensor.
2)
Connect oscilloscope (1) as shown in figure.
3)
Check that
knock sensor signal (1) shows the following waveform when cylinder block is given a shock by plastic hammer.
If faulty condition is found, replace
knock sensor.
