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Circuit/System Verification

  1. Command the Battery Charging System Negative Contactor OPEN and CLOSED with a scan tool while listening for the contactor to open and close. The KR116A hybrid/EV battery charging system negative contactor should be heard opening and closing.
    • If the KR116A hybrid/EV battery charging system negative contactor is not heard opening and closing, refer to Battery Charging System Negative Contactor.
  2. Command the Battery Charging System Positive Contactor OPEN and CLOSED with a scan tool while listening for the contactor to open and close. The KR116B hybrid/EV battery charging system positive contactor should be heard opening and closing.
    • If the KR116B hybrid/EV battery charging system positive contactor is not heard opening and closing, refer to Battery Charging System Positive Contactor.
  3. Command the Hybrid/EV Battery Multifunction Contactor OPEN and CLOSED with a scan tool while listening for the contactor to open and close. The KR117 hybrid/EV battery multifunction contactor should be heard opening and closing.
    • If the KR117 hybrid/EV battery multifunction contactor is not heard opening and closing, refer to Hybrid/EV Battery Multifunction Contactor.
  4. If all contactors are heard opening and closing, replace the T18 battery charger.