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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the ESC module.
  2. Ignition OFF, test for less than 3 Ω of between the ground circuit terminal 47 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify a test lamp illuminates between the B+ circuit terminal 32 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for an open/high resistance.
  4. If all circuits test normal, replace the ESC module.
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