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Circuit/System Verification

WARNING:

Always Perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

The High Voltage Disabling procedure includes the following steps:

  • Identify how to disable high voltage.
  • Identify how to test for the presence of high voltage.
  • Identify Condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

Before working on any high voltage system, be sure to wear the following Personal Protection Equipment:

  • Safety glasses with appropriate side shields when within 15 meters (50 feet) of the vehicle, either indoors or outdoors.
  • Certified and up-to-date Class "0" Insulation gloves rated at 1000V with leather protectors.
    • Visually and functionally inspect the gloves before use.
    • Wear the Insulation gloves with leather protectors at all times when working with the high voltage battery assembly, whether the system is energized or not.

Failure to follow the procedures may result in serious injury or death.

  1. Vehicle in Service Mode.
  2. Verify that DTC U135B is not set.
    • Go to next step: If DTC U135B is not set 
  3. Verify no other Hybrid/Electric Vehicle battery-related DTCs are set.
    • Go to next step: If no hybrid/EV battery-related DTCs are set 
  4. Vehicle OFF. Ensure the charge cord is not connected to the vehicle.
  5. Verify the vehicle charge indicator is OFF.
    • If the vehicle charge indicator is not OFF 

      Refer to Circuit/System Testing.

    • Go to next step: If the vehicle charge indicator is OFF 
  6. Connect the charge cord.
  7. Verify the vehicle charge indicator is operating properly.
    1. Vehicle ON.
      2. NOTE:

      Vehicle must be ON and not in Service Mode for message operation.

    2. Verify the Charge Cord Connected message is displayed in the instrument panel/message center.
      • If the Charge Cord Connected message is displayed, refer to Circuit/System Testing.
      • Go to next step: If the Charge Cord Connected message is NOT displayed
    3. Refer to Plug-In Charging Malfunction (AC Charging) Plug-In Charging Malfunction (DC Charging) .
    • Go to next step: If the vehicle charge indicator is operating properly 
  8. All OK.
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