my Toyota Corolla E170 (2013-2019) wipers won’t turn off what should I do

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the negative terminal of the battery to ensure safety while working on the electrical system.

2. Replace Wiper Control Switch (if faulty)

• Tools Required: Screwdriver set, trim removal tool.
• Sub-steps:
  1. Remove the steering column cover by unscrewing any screws and gently prying it off with a trim removal tool.
  2. Disconnect the electrical connector from the wiper control switch.
  3. Remove the screws securing the wiper control switch and pull it out.
  4. Install the new wiper control switch in reverse order of removal.
  5. Reconnect the electrical connector and reattach the steering column cover.

3. Replace Wiper Relay (if faulty)

• Tools Required: Relay puller or needle-nose pliers.
• Sub-steps:
  1. Locate the fuse box under the dashboard on the driver’s side.
  2. Identify the wiper relay using the fuse box diagram.
  3. Remove the faulty relay using a relay puller or needle-nose pliers.
  4. Install the new relay in the same position.

4. Inspect and Repair Wiring

• Tools Required: Multimeter, electrical tape.
• Sub-steps:
  1. Visually inspect the wiring connected to the wiper motor for any signs of wear or damage.
  2. Use a multimeter to test for continuity in the wiring.
  3. Repair or replace any damaged wiring sections and secure them with electrical tape.

5. Verify Wiper Motor Functioning

• Tools Required: None.
• Sub-steps:
  1. Reconnect the negative terminal of the battery.
  2. Test the wiper system to ensure that it operates correctly and turns off.