Alliance/Encore L4-1721cc 105 CID (1985)
Fig. 10d Bosch LU Electronic fuel injection wiring schematic.
SYSTEM OPERATIONAL TEST
Voltage and resistance values given are nominal and actual value may vary slightly from unit to unit.
1.
Ensure that ignition is on, engine is off, and coolant temperature is less than 77°F.
2.
Check control relay and ECU grounds by connecting ohmmeter probes between terminals D1-3 and D2-7, Fig. 3. Ohmmeter should read zero
ohms.
3.
Check battery voltage by connecting voltmeter positive probe to terminal D1-5 and negative probe to terminal D1-3, Fig. 3. There should be
approximately 12 volts.
