24/08/2023 17:48:04

Charge Port Voltage Check

Correction code 44012100 0.15 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so.NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

  • 1083188-00-A FLUKE DIGITAL MULTIMETER 179
  • 1130480-00-A Test Probes, Slim, Fluke TP38
  • 2023-08-24: Made procedures consistent across vehicle lines.
  • 2023-05-25: Updated procedures with comments from Service Engineering review.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
This procedure verifies that high voltage power is no longer available to the charge port. Perform this procedure before servicing any part of the charge port assembly.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
Remove all jewelry (watches, bracelets, rings, necklaces, earrings, ID tags, piercings, etc.) from your person, and all objects (keys, coins, pens, pencils, tools, fasteners, etc.) from your pockets before performing any procedure that exposes you to high voltage.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
If corrective eyewear is necessary to safely perform any procedure, make sure that the eyewear is securely restrained to the head and cannot fall off.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning

Only technicians who have been trained in High Voltage Awareness and have completed all required certification courses (if applicable) are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 0 (1000V) must be worn at all times a high voltage cable, busbar, or fitting is handled. Refer to Tech Note TN-15-92-003, High Voltage Awareness Care Points for additional safety information.

Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
Make sure that the insulation meter and leads are capable of handling at least 500V DC.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
Make sure that the HV gloves are not expired.
  • North America: HV gloves can be used up to 12 months after the testing date printed on the glove, but only 6 months after first use even if the gloves are still within the 12 month period. If the gloves were not put into service during the 12-month period following the testing date, they must be retested before being put into service.
  • Europe: Class 0 (1000V) HV gloves have no expiration date and may be used if they pass the pre-use assessment and the periodic inspection.
  • Asia Pacific: Follow the expiration date stated by the HV glove manufacturer, and:
    • o China only: Test the gloves every 6 months according to GB/T 17622.

Procedure (Single-Phase)

  1. Open the charge port door.
  2. Open the LH rear door or liftgate.
  3. Disconnect 12V/LV power. See 12V/LV Power (Disconnect and Connect).
  4. Set the multimeter to measure DC voltage, gently touch the probes to the 12V/LV auxiliary battery terminals, and verify the multimeter displays the appropriate voltage.
    • 12V Auxiliary Battery - 12 to 14 volts
    • LV Auxiliary Battery - 14 to 16 volts
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If the voltage across the 12V auxiliary battery terminals is less than 10 volts or greater than 14 volts, the multimeter is not measuring reliably and must not be used. Use only a fully functional multimeter.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If the voltage across the LV auxiliary battery terminals is less than 14 volts or greater than 18 volts, the multimeter is not measuring reliably and must not be used. Use only a fully functional multimeter.
  5. Remove all loose articles and jewelry from your person.
  6. Put on safety glasses, High Voltage (HV) insulating gloves, and leather glove protectors.
  7. Prepare the multimeter with slim test probes.
  8. Use the multimeter to check voltages at charge port terminals B+ and B-.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probes to the sides of the terminals, not the tips.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and escalate a Toolbox session, as appropriate.
  9. Prepare the multimeter with the black alligator clip on the negative lead, and then ground the alligator clip to the LH rear door latch striker or the liftgate striker.
  10. Use the multimeter to check voltages at B+ and ground, and at B- and ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probe to the sides of the terminals, not the tips.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading at either location is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  11. If all previous charge port voltage readings were less than 10V, remove the multimeter ground connector from the LH rear door latch striker or the liftgate striker and return to the procedure that specified the charge port voltage check.

Procedure (Three-Phase) (Except China)

  1. Open the charge port door.
  2. Open the LH rear door or liftgate.
  3. Disconnect 12V/LV power. See 12V/LV Power (Disconnect and Connect).
  4. Set the multimeter to measure DC voltage, gently touch the probes to the 12V/LV auxiliary battery terminals, and verify the multimeter displays the appropriate voltage.
    • 12V Auxiliary Battery - 12 to 14 volts
    • LV Auxiliary Battery - 14 to 16 volts
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If the voltage across the 12V auxiliary battery terminals is less than 10 volts or greater than 14 volts, the multimeter is not measuring reliably and must not be used. Use only a fully functional multimeter.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If the voltage across the LV auxiliary battery terminals is less than 14 volts or greater than 18 volts, the multimeter is not measuring reliably and must not be used. Use only a fully functional multimeter.
  5. Remove all loose articles and jewelry from your person.
  6. Put on safety glasses, High Voltage (HV) insulating gloves, and leather glove protectors.
  7. Prepare the multimeter with slim test probes.
  8. Use the multimeter to check voltages at the charge port DC terminals B+ and B-.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probe to the sides of the terminals, not the tips.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  9. Use the multimeter to check voltages at the lower 4 terminals of the charge port AC connector.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the terminals are from left to right, a, b, c, and d, then measure ab, ac, ad, bc, bd, and cd.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probes to the sides of the terminals, not the tips.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If any voltage reading is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  10. Prepare the multimeter with the black alligator clip on the negative lead, and then ground the alligator clip to the LH rear door latch striker or the liftgate striker.
  11. Use the multimeter to check voltages at the lower 4 terminals of the charge port AC connector and ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the terminals are from left to right, a, b, c, and d, then measure a and ground, b and ground, c and ground, and d and ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probe to the sides of the terminals, not the tips.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading at any location is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  12. Use the multimeter to check voltages at charge port DC terminals B+ and ground, and at B- and ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probes to the sides of the terminals, not the tips.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading at either location is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  13. If all previous charge port voltage readings were less than 10V, remove the multimeter ground connector from the LH rear door latch striker or the liftgate striker and return to the procedure that specified the charge port voltage check.

Procedure (Three-Phase) (China)

  1. Open the charge port door.
  2. Open the LH rear door or liftgate.
  3. Disconnect 12V/LV power. See 12V/LV Power (Disconnect and Connect).
  4. Set the multimeter to measure DC voltage, gently touch the probes to the 12V/LV auxiliary battery terminals, and verify the multimeter displays the appropriate voltage.
    • 12V Auxiliary Battery - 12 to 14 volts
    • LV Auxiliary Battery - 14 to 16 volts
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If the voltage across the 12V auxiliary battery terminals is less than 10 volts or greater than 14 volts, the multimeter is not measuring reliably and must not be used. Use only a fully functional multimeter.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If the voltage across the LV auxiliary battery terminals is less than 14 volts or greater than 18 volts, the multimeter is not measuring reliably and must not be used. Use only a fully functional multimeter.
  5. Remove all loose articles and jewelry from your person.
  6. Put on safety glasses, High Voltage (HV) insulating gloves, and leather glove protectors.
  7. Prepare the multimeter with slim test probes.
  8. Use the multimeter to check voltages at the charge port DC terminals B+ and B-.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probes to the insides of the terminals, not the centers.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  9. Use the multimeter to check voltages at the lower 4 terminals of the charge port AC connector.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the terminals are from left to right, a, b, c, and d, then measure ab, ac, ad, bc, bd, and cd.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probes to the insides of the terminals, not the centers.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If any voltage reading is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  10. Prepare the multimeter with the black alligator clip on the negative lead, and then ground the alligator clip to the LH rear door latch striker or the liftgate striker.
  11. Use the multimeter to check voltages at the lower 4 terminals of the charge port AC connector and ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the terminals are from left to right, a, b, c, and d, then measure a and ground, b and ground, c and ground, and d and ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probe to the insides of the terminals, not the centers.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading at any location is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  12. Use the multimeter to check voltages at charge port DC terminals B+ and ground, and at B- and ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch the probes to the insides of the terminals, not the centers.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If the voltage reading at either location is greater than 10V, the HV battery contactors are closed or welded. Stop this procedure and contact Service Engineering.
  13. If all previous charge port voltage readings were less than 10V, remove the multimeter ground connector from the LH rear door latch striker or the liftgate striker, and return to the procedure that specified the charge port voltage check.