Ignition Relay Diagnosis (2.2L - Cavalier - CNG): Description
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn SL2, 2002 Saturn SL1, 2002 Saturn SL, 2002 Saturn SC2, and 2002 Saturn SC1. However, it is still accessible from the selected car via links, so may be relevant.
Ignition relay is positive voltage supply source for Gas Mass Sensor/Mixture Control Valve (GMS/MCV) and fuel gauge select switch. Ignition relay coil is energized when ignition switch is turned to Run or Start positions. Ignition relay switch contact is supplied voltage at all times.