how to diagnose Ford Explorer Fifth Generation (2011-2019) electrical issue

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

582 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix electrical issues in the Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shock or short circuits
•Wear safety goggles and gloves to protect against battery acid and electrical components

Symptoms

•Instrument cluster lights flickering or not illuminating
•Electrical accessories malfunctioning
•Battery warning light illuminated on the dashboard
•Difficulty starting the engine or intermittent starting issues
•Unexpected resets or shutdowns of electronic systems
•Inconsistent behavior of the infotainment system

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect battery condition with a multimeter
3
Check battery connections for corrosion or looseness
4
Examine fuses and relays for blown fuses or faulty relays
5
Test alternator output voltage at the battery
6
Inspect wiring and ground connections for wear or damage

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Wire brush
•Safety goggles
•Gloves
•Fuse puller

Parts Required

•Replacement battery (if needed)
•Replacement fuses (if any are blown)
•Electrical wiring and connectors (if damage is found)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Instrument cluster lights flickering or not illuminating

•Electrical accessories malfunctioning

•Battery warning light illuminated on the dashboard

•Difficulty starting the engine or intermittent starting issues

•Unexpected resets or shutdowns of electronic systems

•Inconsistent behavior of the infotainment system

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect battery condition with a multimeter
3
Check battery connections for corrosion or looseness
4
Examine fuses and relays for blown fuses or faulty relays
5
Test alternator output voltage at the battery
6
Inspect wiring and ground connections for wear or damage

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, wire brush, safety goggles, gloves.
Disconnect the negative battery terminal to prevent electrical shock.

2. Replace Faulty Battery

Check Battery Health: If the battery voltage is below 12.4 volts, consider replacing it.
Removal:
1. Disconnect the negative cable, followed by the positive cable.
2. Remove any hold-down clamps securing the battery.
3. Carefully lift the battery from the tray.
Installation:
1. Place the new battery in the tray.
2. Reattach the clamps and tighten them securely (usually 10-12 ft-lbs).
3. Connect the positive cable first, followed by the negative cable.

3. Replace Blown Fuses

Identify Affected Fuse: Refer to the owner’s manual to locate the specific fuse for the malfunctioning system.
Removal:
1. Use a fuse puller or pliers to remove the blown fuse.
Installation:
1. Insert a new fuse of the same amperage rating (usually indicated on the fuse).

4. Repair Wiring Issues

Identify Damage: Look for frayed or damaged wires in the affected area.
Repair:
1. Cut the damaged section of wire and strip the ends.
2. Use solder or crimp connectors to join the wires securely.
3. Insulate with heat shrink tubing or electrical tape.