B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl (1990)
Malfunction Indicator Lamp: Testing and Inspection
Carburetor
MIL Light Testing
1.
Connect LG/W wire (terminal 1U) of ECU to a body ground.
2.
Start engine and check that MIL light illuminates.
3.
If lamp does not light, check meter fuse, bulb and wiring harness between meter and ECU.