how to diagnose why my Tesla Outback won't start but makes a clicking sound

Subaru Outback 4th Generation (2010-2014)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

554 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 a no-start condition in Tesla Outback. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Handle batteries with care, wear gloves and eye protection.
•Disconnect the battery before working on electrical systems to prevent shorts.
•Allow engine components to cool before touching to avoid burns.

Symptoms

•Clicking sound when the ignition is engaged
•Dashboard lights flickering or dimming
•No engine cranking or turning over
•Possible battery warning light illuminated
•Inability to power electrical accessories

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it is above 12.4 volts.
2
Inspect battery terminals and cables for corrosion or loose connections.
3
Test the starter motor by bypassing it with a remote starter switch or by applying direct power.
4
Examine the fuse box for blown fuses related to the starter circuit.
5
Use an OBD-II scanner to check for stored trouble codes that may indicate electrical issues.

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

•Multimeter
•Socket set
•Remote starter switch
•OBD-II scanner

Parts Required

•Replacement battery (if faulty)
•Starter motor (if necessary)
•Fuses (if blown)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it is above 12.4 volts.
2
Inspect battery terminals and cables for corrosion or loose connections.
3
Test the starter motor by bypassing it with a remote starter switch or by applying direct power.
4
Examine the fuse box for blown fuses related to the starter circuit.
5
Use an OBD-II scanner to check for stored trouble codes that may indicate electrical issues.

Solution

1. Preparation

Gather tools: multimeter, socket set, remote starter switch, OBD-II scanner.
Ensure the vehicle is in "Park" or "Neutral" and set the parking brake.
Disconnect the negative battery terminal to prevent shorts or shock.

2. Battery Inspection

Sub-step 1: Reconnect the battery and check the voltage using a multimeter.
Sub-step 2: If voltage is low, jump-start the vehicle or replace the battery if it cannot hold a charge.
Tools Required: Multimeter, jumper cables.
Safety Warnings: Handle batteries with care, wear gloves and eye protection.

3. Terminal and Cable Check

Sub-step 1: Inspect the battery terminals for corrosion; clean with a wire brush if necessary.
Sub-step 2: Ensure the battery cables are securely fastened to the terminals.
Sub-step 3: Check the condition of the cables for any signs of fraying or damage.

4. Starter Motor Testing

Sub-step 1: Locate the starter motor, typically near the transmission on the engine block.
Sub-step 2: Use a remote starter switch to apply power directly to the starter motor.
Sub-step 3: If the starter engages and the engine cranks, the starter is functional; if not, it may need replacement.
Tools Required: Remote starter switch, socket set.
Safety Warnings: Be cautious of moving parts and ensure the vehicle is in a safe position.

5. Fuse Inspection

Sub-step 1: Open the fuse box and locate the starter relay and relevant fuses.
Sub-step 2: Remove and inspect each fuse; replace any that are blown with the same amperage rating.
Sub-step 3: Check the starter relay by switching it with a known good relay (if available).