This procedure replaces the turn signal switch (combination switch) on the steering column of a 2019-2024 Toyota RAV4 with the 2.5L I4 engine.

Warnings

Tools required

Parts

• Turn signal switch assembly (combination switch) × 1 — Toyota OEM 84140-42140 or equivalent

Preparation

1. Park vehicle on level ground and engage parking brake
2. Turn ignition off and remove key
3. Center the steering wheel in the straight-ahead position
4. Disconnect negative battery terminal and wait 90 seconds minimum
5. Adjust steering column to lowest position for easier access

Procedure

1. 1

   Remove lower steering column cover
   Locate the two Phillips screws on the underside of the lower steering column cover. Remove these screws and carefully pull the lower cover downward and away from the column.
   Torque spec

   Steering Column Covers2 Nm (1.5 lb-ft)
2. 2

   Remove upper steering column cover
   With the lower cover removed, locate the two Phillips screws securing the upper steering column cover. Remove these screws. Gently lift and tilt the upper cover forward to disengage the clips at the rear, then remove it from the column.
3. 3

   Locate turn signal switch connector
   Identify the large multipin electrical connector on the back of the turn signal switch assembly. This connector is typically gray or black and located on the left side of the steering column.
4. 4

   Disconnect electrical connector
   Press the locking tab on the turn signal switch connector and carefully pull it straight out from the switch assembly. Do not pull on the wires themselves.
5. 5

   Remove switch mounting screws
   Locate the two or three Phillips screws securing the turn signal switch assembly to the steering column bracket. These screws are typically positioned on the sides and bottom of the switch housing. Remove all mounting screws completely.
   Torque spec

   Switch Mounting Screws3 Nm (2 lb-ft)
6. 6

   Remove turn signal switch assembly
   Carefully slide the turn signal switch assembly away from the steering column. The switch may need to be tilted slightly to clear the column shaft. Remove the assembly completely from the vehicle.
7. 7

   Install new turn signal switch
   Position the new turn signal switch assembly onto the steering column bracket, ensuring proper alignment with the mounting holes. Slide it into position, being careful not to pinch any wiring.
8. 8

   Install switch mounting screws
   Install all switch mounting screws and tighten them in a cross pattern to the specified torque of 3.0 Nm (2.0 lb-ft). Do not overtighten as the plastic housing can crack.
   Torque spec

   Switch Mounting Screws3 Nm (2 lb-ft)
9. 9

   Reconnect electrical connector
   Align the electrical connector with the receptacle on the back of the turn signal switch. Push firmly until you hear and feel a positive click, confirming the locking tab has engaged.
10. 10

    Reinstall upper steering column cover
    Position the upper steering column cover over the column, engaging the rear clips first. Install the two Phillips screws and tighten to 2.0 Nm (1.5 lb-ft).
    Torque spec

    Steering Column Covers2 Nm (1.5 lb-ft)
11. 11

    Reinstall lower steering column cover
    Position the lower steering column cover and align it with the upper cover. Install the two Phillips screws and tighten to 2.0 Nm (1.5 lb-ft).
    Torque spec

    Steering Column Covers2 Nm (1.5 lb-ft)
12. 12

    Reconnect battery
    Reconnect the negative battery terminal. The vehicle may need to have windows, sunroof, and other systems reinitialized according to owner's manual procedures.

Reassembly

1. Ensure all steering column covers are properly seated with no gaps
2. Verify electrical connector is fully locked with no exposed pins
3. Confirm steering wheel remains centered after reassembly

Verification

• Turn ignition to ON position (engine off) and verify all turn signal indicator lights illuminate on the instrument cluster
• Test left turn signal lever function - verify front and rear lights flash
• Test right turn signal lever function - verify front and rear lights flash
• Test hazard light function - verify all four corners flash simultaneously
• Test high beam and low beam flash-to-pass function
• Test windshield wiper controls if integrated into the switch assembly
• Verify no airbag warning lights are illuminated on the dashboard
• Check that turn signal lever returns to center position automatically after turning

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