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

Component Location




Electronic Engine Controls

Component Location

Engine Control Sensors










PCM (Powertrain Control Module)










- For CMS (Catalyst Monitor Sensor) location, REFER to Catalyst Monitor Sensor .
- For CPP (Clutch Pedal Position) switch location, REFER to Clutch Pedal Position (CPP) Switch .
- For Fuel Pressure Sensor location, REFER to Fuel Pressure Sensor .
- For HO2S (Heated Oxygen Sensor) location, REFER to Heated Oxygen Sensor (HO2S) .
- For MAF (Mass Air Flow) sensor location, REFER to Mass Air Flow (MAF) Sensor .