INFINITI FX35 Won't Start

Troubleshooting Common Issues That Prevent Your INFINITI FX35 from Starting and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a INFINITI FX35 won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

Troubleshooting Starting Issues in an INFINITI FX35

When troubleshooting starting issues in your INFINITI FX35, begin with a methodical diagnostic approach that prioritizes simpler fixes before delving into more complex problems. Start by checking the battery, as a weak or dead battery is often the most common culprit behind starting failures. Ensure that the battery terminals are clean and securely connected, as corrosion or loose connections can impede power flow. If the battery appears to be in good condition, move on to the starter; listen for a single, loud click when turning the ignition, which may indicate a starter issue. Next, inspect the fuel system, checking for adequate fuel pressure and ensuring the fuel pump is functioning properly. If these components check out, examine the ignition system for any faults. By following this structured approach, you can efficiently identify and resolve the starting issues in your INFINITI FX35, saving time and potentially costly repairs.

What to Check When Your INFINITI FX35 Won't Start?

When your INFINITI FX35 won't start, it's crucial to approach the problem methodically to identify the underlying issue. Begin by inspecting the battery, as a dead or weak battery is often the most common reason for starting failures. Ensure that the battery terminals are clean and securely connected. If the battery appears to be in good condition, the next step is to check the alternator, which is responsible for charging the battery while the engine runs; a faulty alternator can lead to a drained battery and starting issues. If both the battery and alternator are functioning properly, turn your attention to the starter motor, as a malfunction here can prevent the engine from cranking. Additionally, consider the Intelligent Power Distribution Module (IPDM), which can sometimes fail and disrupt the starting sequence. Lastly, inspect the steering column for any interlock issues that may be preventing the ignition from engaging. By systematically evaluating these components, you can effectively troubleshoot the starting problem and potentially resolve it on your own, saving time and money.

Why is My INFINITI FX35 Not Starting?

When your INFINITI FX35 refuses to start, it’s crucial to act promptly, as neglecting the issue can lead to more severe problems down the line. A dead battery is often the first suspect, but if the battery is functioning well, the alternator or starter may be at fault. Ignoring these symptoms can not only leave you stranded but could also result in costly repairs if the underlying issue worsens. Additionally, if you notice intermittent starting problems, it’s a sign that something is amiss and should not be overlooked. Disconnecting and reconnecting the ECM might temporarily resolve the issue, but it’s essential to diagnose the root cause to ensure your vehicle's reliability and safety. By systematically troubleshooting these potential problems, you can prevent further damage and ensure your INFINITI FX35 is back on the road safely and efficiently.

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INFINITI FX35 Won't Start? Common Causes & Solutions