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Engine Control System - System Testing & Engine Component Tests: Wiring Chevrolet Malibu V facelift

Testing & Diagnostics 5 illustrations

PCM Harness Resistance

Turn ignition switch to LOCK position. Disconnect PCM and related component harness connectors. Check for open or short circuits between PCM harness connector terminal and component harness connector terminal. (Scheme 30) See WIRING DIAGRAMS article. If harness is open or shorted, repair as necessary.

Scheme 30

Scheme 30: PCM Harness Resistance
Scheme 30: PCM Harness Resistance

Scheme 31

Scheme 31
Scheme 31

Scheme 32

Scheme 32
Scheme 32

Scheme 33

Scheme 33
Scheme 33

Scheme 34

Scheme 34
Scheme 34

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