J2000/Sunbird V6-191 3.1L VIN T MFI (1994)
Cooling Fan Circuit
Test Description: Number(s) below refer to circled number(s) on the diagnostic chart.
1. 12 volts should be available to both terminals "30" (CKT 2) and "87" (CKT 532) when the ignition is "ON."
2. This test checks the ability of the PCM to ground CKT 335. The Malfunction Indicator Lamp (MIL) should also be flashing at this point. If it isn't
flashing, see CHART A-2. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests
and Associated Procedures/Related Tests and Information/A Charts/Chart A-2 No DLC Data or Won't Flash DTC 12
3. If the fan does not turn "ON" at this point, CKT 532 or CKT 150 is open or the cooling fan motor is faulty.