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
Test Notes
NOTE: You should enter this Pinpoint Test only when directed here.
REMEMBERThis Pinpoint Test is intended to diagnose the following:
-
Knock sensor -
Harness circuits: KS and SIG RTN
-
Powertrain Control Module (PCM)
DESCRIPTIONFor additional information on the Knock Sensor (KS), refer to
Description and Operation / EEC-V Software and Hardware / PCM Related Inputs.