how to fix the electronic parking brake malfunction in Toyota Camry Seventh Generation (2012-2017)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, flathead screwdriver.
• Disconnect the negative battery terminal to ensure safety while working on the electrical system.

2. Inspect and Replace the Electronic Parking Brake Switch

• Sub-steps:
  1. Remove the center console trim panel using a flathead screwdriver.
  2. Locate the electronic parking brake switch and disconnect the wiring harness.
  3. Remove the switch using a socket set and inspect for damage.
  4. If damaged, replace it with a new switch.
  5. Reconnect the wiring harness and reassemble the center console.

3. Test and Replace the Electronic Parking Brake Actuator

• Sub-steps:
  1. Access the electronic parking brake actuator located near the rear brakes.
  2. Disconnect the actuator electrical connectors.
  3. Use a multimeter to check for proper voltage and resistance.
  4. If the actuator is malfunctioning, remove it using a socket set.
  5. Install a new actuator and reconnect the electrical connectors.

4. Reset the Electronic Parking Brake System

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear any stored error codes.
  3. Perform the calibration procedure for the electronic parking brake system as per the service manual.

5. Verify Proper Operation

• Sub-steps:
  1. Test the electronic parking brake by engaging and disengaging it multiple times.
  2. Check for any warning lights on the dashboard.