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Engine Control System - System Testing & Engine Component Tests: Wiring Saturn SL II

Testing & Diagnostics 1 illustration

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. See POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION. (Scheme 4) See appropriate wiring diagram in WIRING DIAGRAMS article. If harness is open or shorted, repair as necessary.

Scheme 4

Scheme 4: POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION
Scheme 4: POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION

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