Nissan Altima is a trusted road companion, but its a an equipment with hundreds of interconnected parts, and like any type of other machine it occasionally fail to provide normal operation. In this short article we walk through most common causes of Altima’s failure and exactly how you can fix the problem.

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Nissan Altima 6th Generation L34 – (photo by Nissan)

The many common causes that hinders normal beginning operation of her Altima space dead crucial fob battery, dead 12v battery, corrosion on battery terminals, bad alternator, clogged fuel filter, damaged starter, swollen fuse, north gas tank, immobilizer error or any fault in the electrical system.


1. Weak Battery

If your Altima’s engine won’t crank or cranks very slowly, climate the most most likely culprit is a weak or dead 12v battery. Investigating more closely and doing a battery voltage test will clarify whether the starting problem is due to the battery. A test have the right to be done to measure up the voltage in between the battery poles, inspect the acid level and assess the condition of the starter battery.

If a brand-new car battery has been installed, the battery may not have actually yet reached its complete capacity. Over there is nothing to concern about. A brand-new battery only creates its full capacity over time.

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Nissan Altima 6th Generation L34 battery place under the hood

Test 12v battery

The voltage the the battery on your Nissan Altima deserve to be measured exactly with a multimeter. Prior to the test, the multimeter is set to the voltage selection of the battery and also connected to its plus and minus poles. Successful experimentation of the vehicle battery, i.e. Checking the voltage, usually results in values ​​of approx. 12 to 13 volts. Values ​​above 14 or listed below 11.5 volts call for an expert assessment the the condition of the car battery. Because the battery may have a defect through these measured values ​​and must be replaced.

Jump begin Nissan Altima

If dead battery is the factor for the failure of her Altima, you can easily jump begin it making use of jumper cables and a healthy battery from one more vehicle, or utilizing a battery booster if available.

First affix red cable come the optimistic terminal of your Altima’s dead battery, then to the hopeful terminal the donor battery. Next connect black cable come the negative terminal of donor battery, climate to the bare metal in the engine just of her Altima. Start the donor vehicle and also then her Altima. Remove the cables in turning back order.


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Illustration for jump beginning procedure

2. Corrosion top top battery

Corrosion top top the contact of your car battery leads to lose of contact and also reduced current flow, which method that her engine can no longer start properly.


To understand if her Altima’s starting problems space from dirty battery contacts, you have to investigate them. If you lift the rubber covers over the two battery terminals, girlfriend can examine the terminals because that corrosion. If you discover white shop or silvery-green deposits, however no additional cracks or damage, you carry out not have to replace the battery, just clean it.

Clean battery corrosion

To clean the battery on your Nissan Altima, you need to remove the pole cables first, which calls for no special knowledge, simply a little concentration, together the order is really important. Very first remove the black color cable from the an adverse pole. If the pole clamp is really tight, you deserve to open it with pliers. Us advise against using metal pliers, however if you use them, you should make certain that you perform not touch any kind of other parts of the body. Following you have the right to unplug the red positive pole cable. As soon as the battery has actually been eliminated from the circuit, you deserve to start clean the corroded battery. ~ cleaning, reconnect the terminals.

3. Weak vital fob battery

If your Altima has actually push start/stop button, climate its possible that your automobile may not start as result of weak an essential fob battery. Don’t worry, you deserve to still start your vehicle – the battery is only supplied to send the signal because that locking/unlocking. If the vital fob battery is empty, the door no much longer locks or unlocks at the push of a button. The doors need to then be opened manually. The immobilizer is regulated by a passive transponder. Passive means, amongst other things, that the transponder in the key does not need its own power source.

How to begin Nissan Altima v dead vital fob battery

If you have a model of Altima i beg your pardon only has a an essential fob v start/stop button and also no place to insert a key, then try placing your an essential fob together close to the start/stop switch as you can and also then begin the vehicle. If it doesn’t work, climate look in her vehicle’s operational hands-on for specific location of crucial fob placement, together it might vary depending upon model.

Engine Start/Stop button on Nissan Altima sixth gen

Tip: You can try starting your Altima through its 2nd key. It will also rule out any other difficulty with the first key, because that example, water damage.

4. Damaged starter motor

A starter is a motor for beginning the engine of your Altima. The median life the a starter motor is around 100,000 come 150,000 miles, and also the life will be shortened if the engine is started more frequently. In any case, because the starter motor likewise has a limited life, the will failure after making use of the car for a lengthy time, and if the starter motor breaks down, the engine will not start.

Symptom: when you turn the an essential to begin the engine of your Altima, you will hear a click sound, i m sorry is the sound the a negative starter motor. And also if the starter engine does not work-related with a healthy battery, doubt a malfunction of the starter.

If the starter fails, it usually needs to be replaced with a brand-new one.

Temporary settle for starter

If the engine does no start because of the starter, the engine might start if you rotate the crucial while hitting the starter motor with something prefer a stick or steel tool. This workaround is effective when the components inside the starter are stuck with each other or the gears room slightly out of alignment.

However, that is feasible that the starter is nearing the finish of that life, so the is recommended the you have it inspected at a dealer or maintain shop.

5. Defective alternator

An alternator is a generator that produces electricity. If your Altima’s alternator fails, it will certainly not be able to produce electricity and also the battery will certainly not have the ability to charge. Therefore, even if friend think the the cause of the engine not starting is a battery failure and replace the battery, the battery will soon run out and also the engine will certainly not start.

Alternators rarely break down. In particular, contemporary cars have actually improved performance, so it is claimed that they will last 200,000 to 300,000 miles. Still, that can malfunction depending on exactly how you usage it, and also in the case of a supplied car, the alternator may be quite old. Nothing let her guard down.

If the alternator breaks down, it need to be replaced with a brand-new alternator.

6. Clogged fuel filter

The fuel filter of her Altima does not wear out prefer a mechanical part, but it gets clogged through dirt and also airborne particles and also clogs end time. The permeability that the filter drops, and so does the fuel pressure. Come a particular extent this no matter, however if the fuel filter is as well dirty, the engine will no much longer perform at full capacity and also in some instance may not start at all. Clean is no possible, you deserve to only adjust the filter.

7. Fuel pump failure

If your Altima’s fuel pump fails, then the engine i will not ~ start. The pump normally ensures the the important amount the fuel is passed native the tank come the injection system of the engine with enough pressure.

Before her fuel pump stops working, it generally becomes noticeable: if her car’s engine breaks under from time to time, the automobile is daunting to start, the engine jerks a small or the engine power drops, you should have your pump checked.

Wear or pollution of the pump have the right to be the reason for this. If the pump is leaking, a power contact is broken, a heat or a pump bar is broken, the fuel pump is usually likewise noticeable prior to failure. You can have a defective fuel pump replaced in your workshop.

8. Puffy fuse

In rarely cases, a blown fuse could likewise be the culprit in the breakdown of your Altima. Check all fuses in the fuse box essential for beginning the engine. But, be careful when loan a hand you yourself to the fuse box! the box is under power and also repairs or exam should constantly be excellent in a workshop.

9. Defective spark plugs

Without work spark plugs, the engine will certainly not start. The spark plugs us are frequently not influenced by a defect. Instead, plug relationships on the ignition device come loose. If just one plug is actually loose, you deserve to fix the problem yourself ~ above site. If a spark plug has failed, it must be changed in the workshop.

10. Rodent damage

Rodent damages can be another reason why her Nissan Altima won’t start. The animals crawl under the vehicle and bite with cables and also wires. In principle, this can influence all automobile systems such as the fuel supply, the oil it is provided or the strength supply.

The rodent damages can generally be seen quickly by looking into the engine compartment. The damage caused by the rodent bite deserve to be repaired in the workshop. Be all set for fairly high expenses here.

11. Engine failure

Although really rare, however it can additionally be the cause of the break down of your Altima. If a car has an engine failure, climate nothing works anymore. The is not unusual for the driver of a auto to it is in responsible for such damage. Typical causes include tearing of the timing belt, incorrect fueling, insufficient oil, hydrolock, overheating of the engine, or consistent driving in an extreme speed range.

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Nissan Altima sixth Generation L34 engine

Only an knowledgeable mechanic have the right to diagnose engine fail in a workshop.

Use OBD2 scanner for diagnosis

Since Nissan Altima is equipped v on-board diagnostics (OBD), a fault diagnosis can carry out initial indications of whereby the break down is located.

To begin troubleshooting, friend must first connect the diagnostic device to her Altima. The OBDII connector is usually situated under the dashboard. V the cable connected, you should turn the ignition on. Yet be cautious not to start the engine. Many diagnostic tools then asking for part information about the vehicle. The is necessary that you get in this 100% correctly, otherwise the result of the search might be falsified. In addition to the automobile manufacturer and also model, you usually likewise have to type in the engine and also vehicle i would number. For precise troubleshooting, constantly check whether the info is correct.

Conclusion

There are plenty of reasons why your Altima might not start. When in search of the trigger, the is advisable to usage the exclusion principle and also only begin with the most noticeable cause, the empty battery.

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In any case, it is advisable because that laypersons to contact a malfunction service or a workshop. In the event of a defect, the latter can straight initiate the repair.