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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

475 words

Problem Statement

Learn how to diagnose and fix electrical problems in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with diagnostic procedures 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 prevent shocks and short circuits.

Symptoms

•Check engine light illuminated
•Malfunctioning dashboard lights
•Unresponsive power windows or locks
•Electrical accessories failing to operate
•Battery draining unexpectedly
•Erratic behavior of infotainment system

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the battery and connections for corrosion, tightness, and voltage levels with a multimeter.
3
Check fuses related to the affected systems for continuity and replace any blown fuses.
4
Test the alternator output to ensure it is charging the battery correctly (should be around 13.5-14.5 volts).
5
Conduct a visual inspection of wiring harnesses for signs of wear, fraying, or damage.
6
Use a multimeter to check for ground connection integrity at various components.

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
•Fuse puller
•Wire strippers
•Soldering iron (if needed)

Parts Required

•Replacement fuses
•New alternator (if needed)
•Electrical wiring (if damaged)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the battery and connections for corrosion, tightness, and voltage levels with a multimeter.
3
Check fuses related to the affected systems for continuity and replace any blown fuses.
4
Test the alternator output to ensure it is charging the battery correctly (should be around 13.5-14.5 volts).
5
Conduct a visual inspection of wiring harnesses for signs of wear, fraying, or damage.
6
Use a multimeter to check for ground connection integrity at various components.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical systems.

2. Inspect Battery and Connections

Sub-steps:
1. Remove battery terminals (negative first, then positive).
2. Clean the terminals and battery posts with a wire brush.
3. Reconnect terminals securely (positive first, then negative).
Tools Required: Wire brush, socket set.

3. Test Alternator Output

Sub-steps:
1. Reconnect the battery.
2. Start the engine and measure voltage at the battery terminals using a multimeter.
3. If the voltage is low, replace the alternator.
Tools Required: Multimeter, socket set.

4. Check and Replace Fuses

Sub-steps:
1. Locate the fuse box (typically under the dashboard or hood).
2. Use a fuse puller to check each fuse related to the malfunctioning systems.
3. Replace any blown fuses with the correct amperage.
Tools Required: Fuse puller.

5. Inspect Wiring Harness

Sub-steps:
1. Visually inspect wiring for any signs of damage or corrosion.
2. Repair or replace damaged wires as necessary.
Tools Required: Wire strippers, electrical tape, soldering iron (if needed).