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

System Check - Ignition

Refer to A Powertrain On Board Diagnostic (OBD) System Check in Computers and Control Systems.

1. If the engine cranks but will not run or immediately stalls. Determine if the failure is in the ignition system or the fuel system.
2. If any DTCs are set for the electronic ignition.
3. If a misfire is being experienced.