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1988
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Riviera V6-231 3.8L VIN C SFI
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Repair and Diagnosis
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Powertrain Management
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System Diagram
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Electronic/Powertrain Control Module (ECM/PCM)
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Part 3 of 3
Part 3 of 3
ECM Schematic (3 Of 3):
2B1
= Battery
1C16
= Battery
1D6
= Injector Ground
1D7
= Injector Ground
1D1
= Power Ground
3C15
= A/C Relay
2B5
= Low Speed Fan
3C2
= High Speed Fans