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

With Automatic Transmission

ECM:







A4 = 5 VOLT REFERENCE
A5 = MAP SIGNAL
A16 = SENSOR GROUND
A15 = TPS SIGNAL
A3 = IDLE SWITCH
A14 = CTS SIGNAL
A13 = MAT SIGNAL
A11 = VSS SIGNAL
A6 = O2 SIGNAL
A7 = O2 GROUND
B2 = IGNITION SIGNAL
A10 = A/C VSV SIGNAL
B8 = DIAGNOSIS SWITCH TERMINAL
A12 = TEST SWITCH TERMINAL



ECM:







B10 = FUEL PUMP DRIVER
B5 = INJECTOR DRIVER
B4 = ISC SOLENOID VALVE DRIVER
B3 = EGR VSV DRIVER
B1 = MAIN RELAY
A1 = CRANK SIGNAL
B9 = CHECK ENGINE LIGHT DRIVER
B7 = LONG TERM MEMORY BATTERY CIRCUIT
B6 = ECM GROUND