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Circuit/System Testing

  1. Ignition OFF, disconnect the bi-state mount harness connector.
  2. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal 2 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. If the circuit tests normal and the B+ circuit fuse is open, test or replace the engine mount solenoid.
  3. Connect a test lamp between the control circuit terminal 1 and the B+ circuit terminal 2.
  4. Engine Running, verify that a test lamp does not illuminate when the engine is above 1200 RPM.
    • If the test lamp is always ON, test the control circuit for a short to ground. If the circuit tests normal, replace the EBCM.
  5. If all circuits test normal, test or replace the bi-state mount solenoid.
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