Tesla Model 3: Guide - Probing - HV Battery (Remove and Replace)

Guide - Probing - HV Battery- Remove

SPECIAL TOOLS

Ratchet, 1/4" Sq Dr, HV Insulated (1057602-00-A)

Ext Bar, Wobble, 1/4" Dr, HV Insulated (1057603-00-A)

Skt, 1/4" Sq Dr, 13mm, HV Insulated (1057606-00-A)

Magnet, Flexible, HV Insulated, 18" (1057607-00-A)

Connector Removal, Coolant, PCS, M3 (1111868-00-B)

Kit, Svc Plug, Cooling Hose, Model 3 (1135762-00-A)

Skt, 1/4in Dr, 5-Lobe Torx Plus External (1059330-00-B)

Resistance meter, microohm, Hioki RM 3548 (1076927-00-A)

Note:

Only technicians who have been trained in High Voltage Awareness 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.

Remove

1. Drain the coolant from the power conversion system. See Penthouse Coolant (Drain and Refill).
2. Remove the HV battery negative contactor. See Contactor - Negative - HV Battery (Remove and Replace).
3. Remove the power conversion system coolant output tube. See Tube - Output - Coolant - Power Conversion System (Remove and Replace).

4. Remove the clip that attaches the HV battery penthouse harness from the HV battery fast charge contactor.

5. Release the clips that attach the HV battery probing guide to the HV battery and remove the guide from the penthouse.

Guide - Probing - HV Battery- Install

Install

1. Wipe up any spilled coolant.

Caution: Spilled coolant can create an electrical path.

2. Install the HV battery probing guide into the penthouse, and then fasten the clips that attach the guide to the HV battery.

3. Install the clip that attaches the HV battery penthouse harness to the HV battery fast charge contactor.
4. Install the power conversion system coolant output tube. See Tube - Output - Coolant - Power Conversion System (Remove and Replace).

Caution:

Make sure that the coolant output tube is securely connected by firmly pressing down on the fittings, verify that both clips have fully engaged the barb on the power conversion system and battery flange, and then pull up on the fittings to check retention.

5. Perform a penthouse coolant leak test. See Penthouse Coolant Leak Test.
6. Connect the 12V auxiliary battery negative terminal only. Torque 6 Nm

Caution:  Do not follow the procedure to connect 12V power at this time

7. Connect a 12V charger to the 12V auxiliary battery terminals.
8. Refill the coolant. See Penthouse Coolant (Drain and Refill).
9. On the touchscreen, touch Controls > Safety & Security > Vehicle Power > Power Off.
10. Disconnect the 12V charger from the 12V auxiliary battery terminals.
11. Disconnect the 12V auxiliary battery negative terminal.
12. Install the HV battery negative contactor. See Contactor - Negative - HV Battery (Remove and Replace).