Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

In the RUN or START position, the ignition switch connects circuit A1 from the fuse block to circuit A21. Circuit A1 connects to battery voltage and is protected by fuse 7 in the Power Distribution Center (PDC).

Circuit A21 splices to supply battery voltage to the EVAP/Purge solenoid, Transmission Converter Clutch (TCC) solenoid, overdrive solenoid, data link connector and provides an input to the PCM.