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

Test Notes

NOTE: You should enter this Pinpoint Test only when directed here.

REMEMBER
This Pinpoint Test is intended to diagnose the following:
- Ignition System
- Fuel Injectors
- Fuel Pressure
- Vacuum System
- Evaporative System
- Canister Purge Solenoid
- Base Engine

DESCRIPTION

Crankshaft Position Sensor (CKP):








Crankshaft Position Sensor (Variable Reluctance)





Powertrain Control Module (PCM)

Ignition Control Module (ICM):




Ignition Control Module (ICM)

For additional information on Misfire Detection Monitor, refer to Description and Operation / On Board Diagnostics System Monitor.