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Home >> Saturn >> 2007 >> Sky Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0622 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

With the scan tool installed, ignition ON and the engine running, observe the GEN-F Terminal Signal parameter in the ECM data list. The GEN-F Terminal Signal parameter should read between 5 and 95 percent.

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