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2003
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Sonoma 4D Pickup
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Repair and Diagnosis
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Different variant/trim
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Section 4 (Engine Control System & Engine Component Tests - 2.2L)
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Computerized Engine Controls
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Powertrain Control Module
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Notes
Powertrain Control Module: Notes
WARNING:
This page is about a different variant/trim than selected.
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)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying PCM Harness Connector C1 Terminals (2 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying PCM Harness Connector C2 Terminals (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying PCM Harness Connector C2 Terminals (2 Of 2)
Courtesy of GENERAL MOTORS CORP.