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

Engine Controls

Electronic Engine Control:





CANISTER PURGE (CANP) SOLENOID
EEC POWER RELAY
HEDF1 RELAY
MASS AIR FLOW (MAF) SENSOR

Electronic Engine Control:





EGR VACUUM REGULATOR (EVR) SOLENOID
FUEL INJECTORS
IDLE AIR CONTROL (IAC) VALVE
VEHICLE SPEED SENSOR (VSS)

Electronic Engine Control:





BAROMETRIC ABSOLUTE PRESSURE (BARO) SENSOR
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
INTAKE AIR TEMPERATURE (IAT) SENSOR
PRESSURE FEEDBACK EGR (PFE) SENSOR
THROTTLE POSITION (TP) SENSOR

Electronic Engine Control:





CAMSHAFT POSITION (CMP) SENSOR
HEATED OXYGEN SENSOR (HO2S) #1
HEATED OXYGEN SENSOR (HO2S) #2
KNOCK SENSOR (KS)
OCTANE ADJUST PLUG

Electronic Engine Control:





CLUTCH PEDAL POSITION (CPP) SWITCH
FUEL PUMP/FUEL GAUGE SENDER
FUEL PUMP RELAY
INERTIA FUEL SHUTOFF SWITCH
PARK/NEUTRAL POSITION SWITCH

Electronic Engine Control:





MANUAL LEVER POSITION (MLP) SENSOR
OUTPUT SHAFT SPEED (OSS) SENSOR
4R70W TRANSMISSION

Electronic Engine Control:





CANISTER PURGE (CANP) SOLENOID
HEDF1 RELAY
IGNITION CONTROL MODULE (ICM)
MASS AIR FLOW (MAF) SENSOR