how to troubleshoot a Ford Explorer Sixth Generation (2020-present) that won't start

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

519 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 troubleshoot and fix the no-start condition in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic procedures.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the negative battery terminal before working on electrical systems.
•Wear safety gloves and goggles while handling batteries and electrical components.

Symptoms

•Ignition key or button does not activate the starter
•No dashboard lights or electrical accessories functioning
•Clicking sound when attempting to start
•Engine cranks slowly or not at all
•Check engine light illuminated prior to the no-start condition
•Battery warning light is displayed

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts for proper starting.
2
Inspect battery terminals and cables for corrosion or loose connections.
3
Test the fuses related to the starting and ignition systems using a fuse tester.
4
Scan for trouble codes using an OBD-II scanner to identify any faults in the engine management system.
5
Verify the operation of the starter motor by checking for voltage at the starter solenoid while attempting to start.
6
Check the condition of the ignition switch and key fob (if applicable) to ensure they are functioning correctly.

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
•Torque wrench
•Wire brush

Parts Required

•Replacement fuses (if blown)
•Starter motor (if faulty)
•Ignition switch (if faulty)

Related Faults

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts for proper starting.
2
Inspect battery terminals and cables for corrosion or loose connections.
3
Test the fuses related to the starting and ignition systems using a fuse tester.
4
Scan for trouble codes using an OBD-II scanner to identify any faults in the engine management system.
5
Verify the operation of the starter motor by checking for voltage at the starter solenoid while attempting to start.
6
Check the condition of the ignition switch and key fob (if applicable) to ensure they are functioning correctly.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, torque wrench, and safety gloves.
Ensure the vehicle is in park or neutral and that the parking brake is engaged.

2. Battery Inspection

Sub-steps:
1. Disconnect the negative (-) battery terminal using a socket wrench.
2. Clean the terminals and cable ends with a wire brush to remove corrosion.
3. Reconnect the negative terminal and tighten securely.

3. Fuse Inspection

Sub-steps:
1. Locate the fuse box, typically found under the dashboard or in the engine compartment.
2. Remove and inspect fuses related to starting (e.g., starter fuse, ignition fuse).
3. Replace any blown fuses with the same amperage rating.

4. Starter Motor Check

Sub-steps:
1. Disconnect the wiring harness from the starter.
2. Use a multimeter to check for voltage at the starter terminal while attempting to crank the engine.
3. If no voltage is present, trace back to the ignition switch; if voltage is present, replace the starter motor.

5. Ignition System Verification

Sub-steps:
1. Check the ignition switch operation by testing continuity with a multimeter when the key is turned.
2. If faulty, replace the ignition switch following manufacturer guidelines.