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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

497 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 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 any electrical components to avoid shock or short circuits.
•Ensure the vehicle is turned off and cooled down before inspecting any electrical parts.

Symptoms

•Dashboard warning lights illuminated (e.g., battery, check engine, ABS)
•Power windows or locks not functioning
•Radio or infotainment system malfunctioning
•Headlights or taillights flickering or not working
•Battery draining quickly or difficulty starting the vehicle
•Erratic behavior of instrument cluster (e.g., speedometer, fuel gauge)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fault codes related to the electrical system.
2
Inspect the battery voltage with a multimeter; ensure it is above 12.6 volts when the engine is off.
3
Check battery terminals and connections for corrosion or loose connections.
4
Test the alternator output by measuring voltage while the engine is running; it should be between 13.5 to 14.5 volts.
5
Inspect fuses and relays in the fuse box for any blown fuses or faulty relays that could affect electrical components.
6
Examine wiring harnesses for any signs of wear, fraying, or exposed wires that may cause shorts.

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
•Fuse puller or needle-nose pliers
•Wire stripper/crimper
•Battery terminal cleaner
•Electrical tape
•Heat shrink tubing

Parts Required

•Replacement fuses
•Replacement relays
•Alternator (if faulty)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Dashboard warning lights illuminated (e.g., battery, check engine, ABS)

•Power windows or locks not functioning

•Radio or infotainment system malfunctioning

•Headlights or taillights flickering or not working

•Battery draining quickly or difficulty starting the vehicle

•Erratic behavior of instrument cluster (e.g., speedometer, fuel gauge)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fault codes related to the electrical system.
2
Inspect the battery voltage with a multimeter; ensure it is above 12.6 volts when the engine is off.
3
Check battery terminals and connections for corrosion or loose connections.
4
Test the alternator output by measuring voltage while the engine is running; it should be between 13.5 to 14.5 volts.
5
Inspect fuses and relays in the fuse box for any blown fuses or faulty relays that could affect electrical components.
6
Examine wiring harnesses for any signs of wear, fraying, or exposed wires that may cause shorts.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety while working on electrical components.

2. Battery Inspection

Tools Required: Multimeter, battery terminal cleaner
Clean battery terminals with a terminal cleaner to remove corrosion.
Reconnect the terminals and retest the battery voltage with a multimeter.

3. Alternator Testing

Tools Required: Multimeter
Start the vehicle and measure the voltage across the battery terminals.
If the voltage is below 13.5 volts, replace the alternator.

4. Fuse and Relay Inspection

Tools Required: Fuse puller or needle-nose pliers
Remove and inspect each fuse for continuity. Replace any blown fuses with the same amperage rating.
Check any relays for proper operation; replace any that are faulty.

5. Wiring Inspection and Repair

Tools Required: Wire stripper/crimper, electrical tape, heat shrink tubing
Inspect wiring harnesses thoroughly for damage.
Repair or replace any damaged wiring using appropriate connectors and insulation.