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Home >> Buick >> 2003 >> Regal LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> System Tests >> Mil Inoperative >> Diagnostic Procedure
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Diagnostic Procedure

Fig 1: Malfunction Indicator Light (MIL) Inoperative (Steps 1-5)
G00250461Courtesy of GENERAL MOTORS CORP.
Fig 2: Malfunction Indicator Light (MIL) Inoperative (Steps 6-15)
G00250632Courtesy of GENERAL MOTORS CORP.
IPC TERMINAL IDENTIFICATION

Model Terminal
Bonneville Connector C1, Terminal B1
Grand Prix Connector C1, Terminal "N"
Impala & Monte Carlo Terminal B2
LeSabre Connector C2, Terminal A3
Park Avenue Terminal A6
Regal Terminal B5
MIL IGNITION VOLTAGE FEED

Model MIL Ignition Feed Color
Bonneville, Grand Prix, Park Avenue & Regal Pink
Impala & Monte Carlo Purple
LeSabre Orange
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