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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the EBCM.
  2. Ignition OFF, test for less than 1.0 ohm of resistance between the ground circuit terminals E and F to ground.
    • If greater than the specified range, test the ground circuits for an open/high resistance.
  3. Ignition ON, measure between the Battery Positive Voltage circuit terminals A, B and C and the ground circuit terminals E and F. The readings should not differ by more than 2 volts than the battery terminal voltage.
    • If greater than the specified value, test the Battery Positive Voltage circuits for a short to ground or an open/high resistance.
  4. If the circuit tests normal, replace the EBCM.
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