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Mazda Truck
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1991
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B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Malfunction Indicator Lamp
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Testing and Inspection
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Fuel Injection
Fuel Injection
MIL Light Testing:
1.
Connect Y/W wire (terminal 1E) 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.