LEMON Manuals: Even more car manuals for everyone
Home >> Saab >> 1992 >> 9000 Base, 2.3 B, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - System/Component Tests) >> Computerized Engine Controls >> EZK Ignition Control Unit >> 900 Series Ground Circuit

900 Series Ground Circuit

WARNING: This page is about a different car, the 1991 Saab 9000 and 1991 Saab 900. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Locate ignition control unit in engine compartment, forward of left front wheel housing. Connect negative lead of ohmmeter to ground. Backprobe ECU terminal No. 20 (Black wire). Resistance should be zero ohms. If not, repair open to ground.
  2. Connect negative lead of DVOM to a good ground. Backprobe ECU terminal No. 20. With vehicle running, DVOM should indicate less than one volt. If voltage is higher than one volt, check for open, corrosion or loose connection on ground lead.
scientia non olet · About LEMON Manuals