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HOMESERVICE MANUALSCHEVROLET2001S10 PICKUP 2D PICKUP, 2.2 5, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 87 (ENGINE CONTROL SYSTEM TESTING & ENGINE COMPONENT TESTING)COMPUTERIZED ENGINE CONTROLSPCM POWER & GROUND CHECKPCM HARNESS RESISTANCE
2001 Chevrolet S10 Pickup 2D Pickup, 2.2 5, Automatic

PCM Harness Resistance

2001 Chevrolet S10 Pickup 2D Pickup, 2.2 5, AutomaticSECTION PCM Harness Resistance
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn SL2, 2002 Saturn SL1, 2002 Saturn SL, 2002 Saturn SC2, and 2002 Saturn SC1. However, it is still accessible from the selected car via links, so may be relevant.

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 appropriate SELF-DIAGNOSTICS article. See WIRING DIAGRAMS article. If harness is open or shorted, repair as necessary.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.