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Home >> Mitsubishi >> 2000 >> Montero Sport ES >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Circuit Tests >> Scan Tool Will Not Communicate >> No Communication With All Systems

No Communication With All Systems

  1. Check voltage between ground and OBD-II Data Link Connector (OBD-II DLC) terminal No. 16. If battery voltage exists, go to next step. If battery voltage does not exist, Repair open in wire between OBD-II DLC and power supply.
  2. Check resistance between ground and OBD-II DLC terminals No. 4 and 5. If resistance is less than one ohm, repair or replace scan tool. If resistance is one ohm or more, repair open in appropriate wire between ground and OBD-II DLC.
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