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Home >> Nissan-Datsun >> 1994 >> Pathfinder LE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Ignition Systems >> Start Signal >> Start Signal System Test
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Start Signal System Test

  1. Locate ECM harness connector. ECM is located under passenger's seat. Measure voltage between ground and ECM harness connector terminal No. 34 (Black/Yellow wire). See Figure . Turn ignition switch to START position. Battery voltage should be present in start position ONLY. Zero volts should be present in any other ignition switch position.
  2. If voltage is not as specified, repair open in Black/Yellow wire between ECM and ignition switch. If voltage is as specified, check ECM and ECM harness connector terminals for correct installation, damage or corrosion. Repair as necessary.
  3. Turn ignition on. Perform Mode IV (switch check). See TESTS W/CODES article in the ENGINE PERFORMANCE section. Ensure Red LED is on while ignition switch in START position. If Red LED is on, system is functioning properly. If Red LED is not on, repeat step 1).
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