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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Computers and Control Systems: Service Precautions

1. Before servicing electronic components, disconnect the battery ground.

NOTE: Before removing battery ground, access trouble codes. ECU memory will be erased if ground cable is removed.

2. Fuel and Engine Control System wiring should be at least 4 inches away from ignition wires.