buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Malfunction Indicator Lamp (MIL) Always On|Page 2016 > < Malfunction Indicator Lamp (MIL) Always On
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Malfunction Indicator Lamp: Testing and Inspection
Malfunction Indicator Lamp (MIL) Inoperative

MALFUNCTION INDICATOR LAMP (MIL) INOPERATIVE

CIRCUIT DESCRIPTION

Ignition voltage is supplied to the malfunction indicator lamp (MIL). The powertrain control module (PCM) turns the MIL ON by grounding the MIL
control circuit.

TEST DESCRIPTION

Malfunction Indicator Lamp (MIL) Always On|Page 2016 > < Malfunction Indicator Lamp (MIL) Always On