This procedure covers the removal and replacement of the wiper switch assembly on the 2022 Rivian EDV 500 electric delivery van.

Warnings

Tools required

Parts

• Wiper switch assembly × 1 — Use OEM specification
• Steering column trim clips (if damaged) × 1 — Use OEM specification
• Wiper switch connector seal × 1 — Use OEM specification

Preparation

1. Park vehicle on level surface and engage parking brake
2. Ensure high voltage system is in service mode (if required by your specific work environment)
3. Open driver's door and ensure windows are up
4. Disconnect 12V auxiliary battery located in front compartment
5. Wait minimum 3 minutes for airbag system capacitors to discharge
6. Position driver's seat to rearmost position for working clearance
7. Center steering wheel in straight-ahead position

Procedure

1. 1

   Remove lower steering column trim cover
   Locate the lower steering column cover beneath the steering wheel. Use trim removal tools to carefully release the clips securing the lower cover. There are typically 4-6 clips around the perimeter. Pull the cover downward and away from the column, being careful not to snag any wiring.
2. 2

   Remove upper steering column trim cover
   With the lower cover removed, locate the T20 Torx screws securing the upper column cover (typically 2 screws on underside). Remove these screws and carefully separate the upper cover halves. The wiper switch is integrated into the left side of the upper column assembly. Disconnect any courtesy lighting connectors if present.
3. 3

   Access wiper switch mounting
   Identify the wiper stalk assembly on the left side of the steering column. The switch module is secured by T25 Torx screws (typically 2-3 screws). Note the routing of the wiring harness before proceeding. Take photos for reference during reassembly.
4. 4

   Disconnect wiper switch electrical connector
   Locate the main electrical connector for the wiper switch on the steering column wiring harness. Press the locking tab on the connector and carefully pull straight back to disconnect. Do not pull on wires. If connector is difficult to access, it may be necessary to remove additional column covers or trace the harness to a more accessible connection point.
5. 5

   Remove wiper switch mounting fasteners
   Using the T25 Torx driver, remove the screws securing the wiper switch assembly to the steering column. Keep these fasteners organized as they may be of different lengths. Note the position of any alignment pins or guides on the switch mounting surface.
6. 6

   Extract wiper switch assembly
   Carefully pull the wiper switch assembly away from the steering column. The stalk may need to be rotated or angled to clear the column housing. Be mindful of the wiring harness routing and any remaining clips. Remove the switch completely from the vehicle.
7. 7

   Inspect mounting area and wiring
   Examine the steering column mounting surface for damage or debris. Check the wiring harness for chafing, pinching, or damaged insulation. Clean the mounting surface and connector terminals using electrical contact cleaner if necessary. Verify connector pins are straight and undamaged.
8. 8

   Prepare new wiper switch
   Unpack the new wiper switch assembly and compare it to the removed unit to verify correct part. Check that the connector seal is properly seated on the new switch. Verify the stalk operates smoothly through all positions before installation.
9. 9

   Install new wiper switch assembly
   Route the new wiper switch into position on the steering column, aligning any guide pins or alignment features. Ensure the wiring harness follows the original routing path and is not kinked or pinched. Seat the switch mounting surface flush against the column.
10. 10

    Secure wiper switch mounting fasteners
    Install the T25 Torx screws to secure the wiper switch to the steering column. Tighten screws evenly and gradually to avoid distorting the switch housing. Do not overtighten plastic-mounted fasteners. Verify the switch stalk moves freely through all positions after tightening.
11. 11

    Connect wiper switch electrical connector
    Align the electrical connector and press firmly until the locking tab clicks into place. Gently tug on the connector to verify it is fully seated. Ensure no wires are pinched between connector housing and column components.
12. 12

    Reinstall upper steering column covers
    Position the upper column cover halves around the steering column, ensuring all wiring is properly routed and not pinched. Reconnect any courtesy lighting connectors. Align the cover halves and install the T20 Torx screws. Verify the cover fits flush and trim gaps are even.
13. 13

    Reinstall lower steering column cover
    Align the lower steering column cover with the mounting points and press firmly to engage all clips. Work around the perimeter ensuring each clip is fully seated. Verify the cover is secure and does not rattle when moved.

Reassembly

1. Reconnect the 12V auxiliary battery
2. Turn vehicle to ON position (do not start/engage drive system yet)
3. All trim panels should be flush with no gaps or misalignment
4. Verify no tools or parts were left in the steering column area
5. If vehicle displays steering-related warnings, calibration with Rivian diagnostic tool may be required

Verification

• With vehicle in ON mode, test all wiper switch positions: intermittent, low speed, high speed, and off
• Verify intermittent wiper delay adjustment functions correctly through all settings
• Test windshield washer function using the wiper stalk
• Confirm wiper switch returns to proper detent positions and does not stick
• Check that no warning lights remain illuminated on instrument cluster related to wiper system
• Verify turn signal switch (if integrated) still operates correctly and is not affected by repair
• Test drive vehicle to confirm steering feel is normal and no new warning messages appear
• Listen for any rattles or abnormal noises from steering column area during test drive

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