LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2003 >> Vibe Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - System & Component Testing >> Computerized Engine Controls >> Pcm Power & Ground Check >> PCM Harness Resistance
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

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. For connector terminal identification, see Figure -Figure . To identify circuits, see WIRING DIAGRAMS  . If harness is open or shorted, repair as necessary.