Nissan Qashqai J10 (2007–2013) with engines HR16DE (1.6 l) and MR20DE (2.0 l) is known for its reliability, but even its ignition coils fail over time. If your crossover begins to “triple”, twitch during acceleration or at idle, and the dashboard lights up Check Engine — it may be she who is to blame.

In this article we will analyze 5 ways to check ignition coils on Qashqai J10 - from visual inspection to tests with a multimeter and OBD-II scanner. You will learn how to identify a faulty coil without dismantling it, what errors indicate a problem, and why on the MR20DE engine, the 3rd cylinder suffers more often due to design features. All methods have been tested in practice and are suitable for self-diagnosis.

1. Symptoms of a faulty ignition coil on a Nissan Qashqai J10

The first signs of a problem are often confused with faulty spark plugs, fuel injectors or sensors. However, ignition coils have characteristic symptomsthat help narrow your search:

  • 🔥 Misfires (“triple”) - the engine vibrates at idle or under load, especially after warming up.
  • ⚡ Jerks during acceleration — the car jerks when accelerating, loses power (often at speeds of 2000–3000 rpm).
  • 🚨 Check Engine — the malfunction lamp lights up, the scanner shows errors P0300–P0304 (cylinder misfires).
  • 🔊 Clicking noises under the hood — if the coil fails, quiet “cracking” noises may be heard from under the plastic engine cover.
  • 💨 Increased fuel consumption — due to misfires, the ECU enriches the mixture, which leads to excess consumption by 10–15%.

On Qashqai J10 with engine MR20DE (2.0 l) a faulty coil often appears when cold — the car does not start well in the morning, but after warming up the operation stabilizes. On HR16DE (1.6 l) symptoms are usually constant and do not depend on temperature.

⚠️ Attention: If misfires are accompanied by popping sounds in the exhaust system, this may indicate a breakdown of the coil insulation. In this case, further operation may result in damage to the catalyst!
📊 How often do you check ignition coils?
  • Only when symptoms appear
  • Once every 50,000 km
  • Once every 100,000 km
  • Never checked

2. Visual inspection of coils: what to look for?

Before using your multimeter, inspect the coils for external damage. On Nissan Qashqai J10 they are located under the decorative plastic engine cover (on HR16DE - 4 pieces, per MR20DE - also 4, but with a different fastening).

Remove the cover, disconnect the connectors and carefully check:

  • 🔍 Cracks on the body — even microcracks can lead to high-voltage breakdown.
  • 💧 Traces of oil or antifreeze — liquids entering the coil accelerates its failure.
  • 🔥 Charring or melting - a sign of an internal short circuit.
  • 🔌 Oxidation of contacts — green deposits on the connectors impair conductivity.

Pay special attention rubber tips, which are put on candles. If they are cracked or have lost their elasticity, the coil may “break through” the ground through the spark plug well.

What should I do if there is oil on the reel?

If traces of oil are found on the coil body, it is often due to a valve cover leak (especially on the MR20DE). Before replacing the coil, eliminate the cause of the oil, otherwise the new part will quickly fail.

Sign Probable Cause Recommendation
Cracks on the body Overheating or mechanical damage Replacing the coil
Charring of contacts Short circuit or breakdown Check with a multimeter, replace
Oil stains Leaking through the valve cover Fix the leak, wipe the coil
Oxidation of connectors Moisture or aging Cleaning contacts, treating with protective spray

3. Checking the ignition coil with a multimeter: step-by-step instructions

For accurate diagnostics, you will need a multimeter with a resistance measurement mode (ohmmeter). On Qashqai J10 ignition coils have two windings - primary and secondary. Their resistance must comply with the following standards:

  • 🔢 Primary winding (between pins 1 and 3 on the connector): 0.5–1.0 Ohm.
  • 🔢 Secondary winding (between HV terminal and pin 3): 6–15 kOhm (depends on temperature).

How to check:

  1. Remove the coil from the engine (disconnect the connector and unscrew the mounting bolt).
  2. Set the multimeter to mode 200 Ohm and connect the probes to the contacts 1 and 3 at the coil connector.
  3. Record your readings. If resistance above 1.0 ohm or below 0.5 ohm - the winding is faulty.
  4. Switch the multimeter to mode 20 kOhm and measure the resistance between high voltage output And pin 3.

On Qashqai J10 with engine MR20DE the secondary winding often shows a resistance closer to 12–15 kOhm, and on HR16DE — 8–10 kOhm. The variation is due to different coil manufacturers (Hitachi, Denso, Mitsubishi).

Disconnect the negative terminal of the battery|Remove the decorative engine cover|Disconnect the coil connector|Unscrew the fastening bolt (10 mm wrench)|Clean the contacts from oxidation-->

⚠️ Attention: Do not touch the high voltage terminal of the coil while the engine is running! The voltage across it reaches 20–40 kV, which is life-threatening. Carry out the test only with the removed coil.

4. OBD-II error diagnostics: what codes indicate the coil?

If the dashboard lights up Check Engine, connect the OBD-II scanner (for example, ELM327 or Launch CReader) and count the errors. On Nissan Qashqai J10 Malfunction of the ignition coils is manifested by the following codes:

  • 🔧 P0300 - random misfires (may indicate multiple cylinders).
  • 🔧 P0301–P0304 - misfires in a specific cylinder (for example, P0303 — 3rd cylinder).
  • 🔧 P0351–P0354 - malfunction of the ignition coil circuit (for example, P0352 - open circuit in the coil circuit of the 2nd cylinder).
  • 🔧 P0363 - ignition system error (less common, but can also be related to the coils).

On Qashqai J10 with MR20DE most common P0303 (3rd cylinder), since its coil is located closer to the exhaust manifold and heats up more. If the error appears only when cold, the problem may be a crack in the coil body, which “closes” when heated.

After resetting the errors (for example, through a scanner or disconnecting the battery), drive 10–15 km. If the codes come back, the coil is definitely faulty. If the errors disappear but the symptoms remain, check spark plugs And wires.

💡

On the Nissan Qashqai J10, error P0300 often appears when refueling with low-quality gasoline. Before replacing the coils, try draining the fuel and refilling with proven gasoline (for example, AI-95 from Lukoil or Gazpromneft).

5. Method of “rearranging” coils: how to identify a faulty one without instruments

If you don't have a multimeter or scanner, you can use permutation method. It is based on the fact that a faulty coil, when moved to another cylinder, will “transfer” the problem with itself.

Algorithm of actions:

  1. Remember which cylinder “troubles” (for example, by mistake P0302 — 2nd cylinder).
  2. Stop the engine, remove the coil from the problem cylinder and install it on 1st or 4th (they are less loaded).
  3. Place the coil from the 1st cylinder in place of the problematic one.
  4. Start the engine and check to see if the misfire has moved.

If after the rearrangement it starts to “triple” 1st cylinder, but the previous one worked fine - the coil is to blame. If the problem remains on the same cylinder, check candle, wires or compression.

⚠️ Attention: On Qashqai J10 with MR20DE It is not recommended to rearrange the coils between the 2nd and 3rd cylinders - their high-voltage wires have different lengths, which can lead to insulation breakdown!

6. Checking the coil with an oscilloscope (for advanced)

If you have access to oscilloscope (or a multimeter with an oscilloscope function, for example, UNI-T UT81B), you can check waveform coils. This is the most accurate method, as it allows you to see breakdowns, breaks and short circuits in real time.

How to connect:

  • 🔌 Connect the oscilloscope probe to contact 3 (mass) and contact 1 (control signal) at the coil connector.
  • 📊 Start the engine and observe the signal shape. Normally there should be clear voltage peaks (up to 5 V) when the cylinder is operating.
  • 🚨 If the signal intermittent or has noises - the coil is faulty.

On a working reel Nissan Qashqai J10 the oscillogram should look like a series of even pulses with an amplitude 4–5 V. If the amplitude falls below 2 V or the impulses disappear - this is a sign:

  • 🔋 Discharged battery (voltage below 12 V).
  • 🔌 Poor contact in the coil connector.
  • 🔥 Malfunction of the coil itself (winding breakage).
💡

An oscilloscope allows you to detect not only the complete failure of the coil, but also its “fatigue” - when it is still working, but is already beginning to “fail” under load. This helps prevent sudden failure along the way.

7. Which ignition coils should I install on the Nissan Qashqai J10?

If the diagnostics confirm the malfunction, all that remains is to choose a replacement. On Qashqai J10 Coils from different manufacturers were installed, but they are all interchangeable provided the article numbers match.

Engine Original article Analogs (brand + article) Note
HR16DE (1.6 l) 22448-4M010 Denso 55001, Hitachi C1016, Mitsubishi MN183904 The best choice is Denso (the most reliable)
MR20DE (2.0 l) 22448-5M500 NGK U5007, Bosch 0 221 504 466, Beru ZS198 NGK and Bosch - optimal in terms of price/quality

When choosing analogues, pay attention to:

  • 🔧 Winding resistance — it must match the original (see section 3).
  • 🔌 Connector type - on Qashqai J10 A 3-pin connector is used (do not confuse it with the 2-pin connector from other Nissan models!).
  • 📏 Length of high voltage wire - on MR20DE The wires for cylinders 2 and 3 are longer.

Average cost of an original reel - RUB 3,500–5,000, analogues - 1,500–3,000 rub. It is better to replace it as a set (all 4 pieces), since the remaining coils are already worn out and may soon fail.

💡

When purchasing coils for Nissan Qashqai J10, check the packaging for the presence of a hologram and barcode. Counterfeits (especially under the Denso brand) are often sold without protective seals and have a low secondary winding resistance (4–6 kOhm instead of 8–15 kOhm).

FAQ: Frequently asked questions about ignition coils on Qashqai J10

❓ Is it possible to drive with a faulty ignition coil?

Short term - yes, but this leads to:

  • 🔥 Overheating of the catalyst (due to unburned fuel).
  • 💥 Increased load on the remaining cylinders.
  • ⚡ Accelerated wear of candles and high-voltage wires.

Driving for a long time with misfires can cause damage. catalytic converter (replacement cost - from 20,000 rubles).

❓ Why does the 3rd cylinder coil often fail on the Qashqai J10?

On the engine MR20DE The 3rd cylinder is located closer to the exhaust manifold, so its coil heats up more. In addition, she is more often targeted oil splashes from under the valve cover (known problem Qashqai J10).

Solution: When replacing the coil, install thermal screen (e.g. aluminum foil) and check the valve cover for leaks.

❓ How to distinguish a coil malfunction from a spark plug problem?

The simplest way:

  1. Swap the spark plug and coil from the problem cylinder to a known good one.
  2. If the passes “moved” along with the coil, it is her fault.
  3. If they remain on the same cylinder, the problem is in the spark plug or wire.

Also note carbon deposits on the candle:

  • 🔥 Black oily soot — problem with oil (leakage, wear of rings).
  • ⚡ White soot - overheating due to a lean mixture or a faulty coil.
❓ Do I need to change all the coils at once?

Not required, but recommended. On Qashqai J10 the coils wear out at about the same rate, and if one fails, the others will soon follow. Replacing as a kit will save time and money in the long run.

Exception: if the car has traveled less than 50,000 km or the coils have been replaced recently - you can limit yourself to one.

❓ What resistance should the Qashqai J10 coil have at a temperature of +20°C?

Normal values for original coils:

  • Primary winding: 0.6–0.9 Ohm.
  • Secondary winding:
    • HR16DE: 8–10 kOhm.
    • MR20DE: 12–15 kOhm.

When heated, the resistance may increase by 10–15% - this is normal.