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Home >> GMC >> 2003 >> Sonoma 2D Pickup, 2.2 H, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Engine Component Tests - 2.2L >> Computerized Engine Controls >> Powertrain Control Module >> Notes
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Powertrain Control Module: Notes

NOTE: To identify circuits referenced in the following ground and power circuit tests, see Fig 1-Fig 4 .
Fig 1: Identifying PCM Harness Connector C1 Terminals (1 Of 2)
G00117401Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying PCM Harness Connector C1 Terminals (2 Of 2)
G00117402Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying PCM Harness Connector C2 Terminals (1 Of 2)
G00117403Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying PCM Harness Connector C2 Terminals (2 Of 2)
G00117404Courtesy of GENERAL MOTORS CORP.
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