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
ML20 - "Check Engine" Message Displayed
NOTE: If vehicle will not start, perform Pinpoint Test AC1.
AC1 - Attempt to Crank Engine -
Run Key On Engine Off Self-Test.
Quick Test Appendix (Detailed Testing Instructions) -
Is result 111-10-111 (Pass Codes)? Yes -- Go to
Instrument Panel, Gauges, and Warning Indicators for diagnosis.
No -- Self-Test indicates a fault. Go to Diagnostic Trouble Code Charts.
Manufacturer Code Charts