Nissan Maxima A33 (1994–1999) - a legendary sedan known for its reliability and dynamics. However, even such machines have weak points, and one of them is Crankshaft position sensor (CPS). This small element is responsible for synchronizing the operation of the ignition and fuel injection systems. If it fails, the engine VQ30DE or VQ35DE (depending on the modification) begins to “be capricious”: it stalls, troits or refuses to start at all.

In this article we will look at how recognize a faulty crankshaft sensor on Maxima A33, what errors it gives, how to check it with a multimeter and replace it without contacting service. We will also provide current prices for original and similar spare parts, and at the end we will answer frequently asked questions from owners. If your Nissan suddenly lost power or began to have difficulty starting - this instruction will help save time and money.

Symptoms of a faulty crankshaft sensor Nissan Maxima A33

Crankshaft sensor (aka DPKV or Crankshaft Position Sensor) is a critical element of the engine management system. Its breakdown is often disguised as other problems: faulty spark plugs, ignition coils or fuel pump. However there is characteristic symptoms, which directly indicate DPKV:

  • 🚗 Engine won't start or starts with difficulty (especially when hot). The starter turns, but the engine does not “get enough”.
  • ⚡ Floating speed at idle (from 500 to 1500 rpm) or spontaneous shutdown.
  • 💥 Detonation when accelerating or under load, the engine “knocks” and loses power.
  • ⚠️ The dashboard lights up Check Engine, but the scanner gives errors P0335, P0336 or P0320.
  • 🔥 Misfires in cylinders (tripleting), which do not disappear after replacing spark plugs or coils.

Feature Maxima A33 - DPKV here inductive type (unlike more modern Hall sensors). This means that it generates a signal due to a magnetic field, and testing it requires an oscilloscope or at least a multimeter in resistance measurement mode. If symptoms appear after washing the engine or long-term parking in a damp environment, there is a high probability that the problem is in the sensor - its contacts could have oxidized.

⚠️ Attention: On Nissan Maxima A33 with engine VQ30DE (1994–1996) crankshaft sensor located on the oil pump cover from the checkpoint. On later versions with VQ35DE (1997–1999) it may be moved closer to the crankshaft pulley. Check location before replacing!

What errors does a faulty crankshaft sensor give?

If on your Maxima A33 caught fire Check Engine, the first step is to count the errors. Any OBD-II scanner is suitable for this (for example, ELM327 or Launch CReader). Typical fault codes associated with DPKV:

Error code Description Probable Cause
P0335 Crankshaft position sensor circuit malfunction Wire break, contact oxidation or sensor failure
P0336 DPKV signal range/performance out of normal range Mechanical damage to the sensor or ring gear on the crankshaft
P0320 Malfunction of the camshaft position sensor circuit (may be false due to DPKV) Problems with synchronization of DPKV and DPRV signals
P0300 Multiple misfires The ECU cannot correctly determine the crankshaft position

Important: errors P0335 And P0336 do not always mean sensor failure. Sometimes the problem lies in:

  • 🔌 Wiring — frayed or shorted wires from the DPKV to the ECU.
  • 🧲 Pollution — metal shavings at the end of the sensor (attracted by a magnet).
  • ⚙️ Ring gear on the crankshaft - chipped or worn teeth.

Before replacing the sensor be sure to check the chain for breaks and short circuits. To do this:

  1. Disconnect the DPKV connector.
  2. Ring the wires from the sensor to the ECU (contacts 1 And 2 on the connector).
  3. Check the sensor resistance - it should be within 500–700 Ohm (for Maxima A33).
📊 What error code did you encounter?
  • P0335
  • P0336
  • P0320
  • Other code
  • No errors, but there are symptoms

Where is the crankshaft sensor located on Nissan Maxima A33?

The location of the DPKV depends on the year of manufacture and engine type. On most Maxima A33 (1994–1999) sensor installed in one of the following locations:

  • 🔧 On the oil pump cover (transmission side) - typical for VQ30DE.
  • 🔍 Near the crankshaft pulley (front of the engine, under the generator) - typical for VQ35DE (1997–1999).
  • 🛠️ Under the intake manifold (less common, but found on export versions).

To get to the sensor:

  1. Remove decorative engine cover (if any).
  2. Disconnect power connector from DPKV (press the latch).
  3. Unscrew fastening bolt (usually on 10 mm).
  4. Carefully remove the sensor without damaging the O-ring.

On Maxima A33 with automatic transmission, access to the DPKV can be difficult due to the cooling system pipes. In this case you will have to remove air filter or partially dismantle intake tract.

How to distinguish an original sensor from a fake?

Original DPKV for Nissan Maxima A33 is marked 23731-4M000 or 23731-4M005 (depending on the year). Fakes often differ:

- lighter weight (cheap plastic is used),

- lack of logo Nissan or Hitachi on the body

- resistance mismatch (for the original - 500–700 Ohms, for the fake - up to 1000 Ohms).

Check the sensor with a multimeter before purchasing!

How to check the crankshaft sensor for Nissan Maxima A33?

Checking DPKV does not require complex equipment - just enough multimeter and screwdrivers. Here are the step-by-step instructions:

  1. Remove the sensor from the engine (as described above).
  2. Clean it from dirt (especially the end that faces the crankshaft).
  3. Ring the winding:
    • Set the multimeter to mode 2000 Ohm.
    • Connect the probes to the sensor terminals (polarity is not important).
    • There must be resistance 500–700 Ohm. If it shows 0 (short circuit) or ∞ (break) - the sensor is faulty.
  4. Check inductance (optional):
    • Switch the multimeter to mode 200 mH (if any).
    • The inductance of a working sensor is 200–400 mH.

If you don’t have a multimeter, you can check the sensor by eye:

  • 🔍 Take a look sensor end — there should be no metal shavings or chips on it.
  • 🧲 Check it out magnet inside the sensor: if it is weak or missing, the signal will be unstable.
  • 🔌 Make sure that the connector is not oxidized and the contacts did not burn.
⚠️ Attention: On Nissan Maxima A33 with engine VQ35DE (1997–1999) crankshaft sensor not interchangeable with sensor for VQ30DE! They differ in cable length and resistance. Please check the item number before purchasing.

Take a photo of the location of the connector|Check the resistance of the sensor|Clean the seat from dirt|Buy a new O-ring (part number 11385-4M000)|Disconnect the negative terminal of the battery-->

Step-by-step replacement of the crankshaft sensor with Nissan Maxima A33

Replacing DPKV with Maxima A33 takes 15–30 minutes and does not require special tools. You will need:

  • 🔧 Head on 10 mm or open-end wrench.
  • 🧴 WD-40 or similar penetrating lubricant (if the bolt is stuck).
  • 🔌 New sensor (original or high-quality analogue).
  • 🧻 Clean rags and alcohol for cleaning contacts.

Replacement instructions:

  1. Disconnect the battery (remove the negative terminal).
  2. Find the sensor (see section above) and disconnect the connector.
  3. Unscrew the fastening bolt (sometimes it sticks - don't use too much force to avoid stripping the threads).
  4. Remove the old sensor, clean the seat from oil and dirt.
  5. Install a new sensor, making sure that the O-ring is intact.
  6. Tighten the bolt with effort 8–10 Nm (do not overtighten!).
  7. Connect the connector and return the terminal to the battery.

After replacement:

  • 🔑 Reset errors using a scanner or disconnecting the battery for 10 minutes.
  • 🚗 Start the engine — it may work unstable at first (the ECU adapts to the new sensor).
  • 🔍 Check for errors after 10–15 minutes of engine operation.
💡

If after replacing the DPKV the engine still does not start, check clearance between sensor and crankshaft ring gear. He must be 0.5–1.5 mm. If necessary, place a washer.

How much does a crankshaft sensor cost? Nissan Maxima A33?

The price of DPKV depends on the manufacturer and place of purchase. Below are the current prices (for 2026) for original and analog sensors:

Manufacturer Article Price, ₽ Notes
Nissan (original) 23731-4M000 3 500–5 000 For VQ30DE (1994–1996)
Nissan (original) 23731-4M005 4 000–5 500 For VQ35DE (1997–1999)
Hitachi (OEM) EX-100 2 800–3 500 High-quality analogue, installed on the conveyor
Blue Print ADG01201 1 500–2 000 Budget option, suitable for temporary replacement
Febi 23731 2 200–2 800 Good price/quality ratio

Where to buy:

  • 🛒 Official dealers Nissan - guarantee of originality, but high price.
  • 🌍 Online stores (Exist.ru, Autodoc, Emex) - a wide selection of analogues.
  • 🏗️ Showdown — you can find a used sensor for 500–1,500 ₽, but the risk of buying a faulty part is high.

Tip: if you buy non-original sensor, be sure to check its resistance before installation. Many cheap analogues have underestimated or overestimated resistance, which leads to false errors P0335.

💡

It’s not worth saving on DPKV - a faulty sensor can cause water hammer (if the engine stalls while driving) or overheating (due to unstable operation of the cooling system).

Common mistakes when replacing the crankshaft sensor

Even experienced car owners sometimes make mistakes when replacing DPKV with Nissan Maxima A33. Here are the most common of them:

  • 🔧 Using the wrong sensor - for example, installing DPKV from Nissan Primera or Altima. They may be identical in appearance, but have a different resistance.
  • 🧲 Damage to the O-ring - if it is not replaced, oil will enter the sensor and it will quickly fail.
  • 🔌 Incorrect connector connection - mixed up contacts can lead to a short circuit.
  • 🛠️ Tightening the fastening bolt - this deforms the sensor housing and violates the clearance to the crankshaft.
  • 🚗 Ignoring errors after replacement - if Check Engine does not go out, the problem may be in the wiring or the ECU.

To avoid problems:

  1. Before purchasing compare items old and new sensor.
  2. Use torque wrench to tighten the bolt (or tighten it “by hand” without fanaticism).
  3. After installation check the gap between the sensor and the ring gear - it must be 0.5–1.5 mm.
⚠️ Attention: On some Maxima A33 after replacing DPKV is required reset ECU adaptations. To do this, disconnect the battery for 15–20 minutes or use a diagnostic scanner (for example, Launch X431). Without a reset, the engine may operate unstably for the first 50–100 km.

FAQ: Frequently asked questions about the crankshaft sensor Nissan Maxima A33

Is it possible to drive with a faulty crankshaft sensor?

Technically possible, but highly undesirable. The engine will operate in emergency mode, which will lead to:

  • Increased fuel consumption (up to +30%).
  • Risk overheating due to incorrect operation of the cooling fan.
  • Damage to the catalyst (if the mixture is too rich).

If the sensor fails completely, the engine won't start.

Which crankshaft sensor is suitable for other Nissan models?

On Maxima A33 You can install DPKV from the following models (if the article numbers match):

  • Nissan Cefiro A32 (1994–1998, engine VQ30DE).
  • Nissan Laurel C34 (1996–2002, VQ30DE).
  • Infiniti I30 (1996–1999, analogue Maxima A33 for the USA).

Important: sensors from Nissan Primera or Almera don't fit — they have a different resistance and connector!

What happens if you do not change the O-ring when replacing the DPKV?

An old rubber band can:

  • Skip oil into the sensor connector, which will lead to a short circuit.
  • Call vibrations sensor, causing the signal to be unstable.
  • Lead to air leaks and false errors P0171 (lean mixture).

The cost of a new ring is only 100–200 ₽, so it’s not worth saving on it.

Is it possible to clean the crankshaft sensor instead of replacing it?

Yes, but only if the problem is pollution (oil, metal shavings). To do this:

  1. Remove the sensor and clean it lint-free cloth, soaked in alcohol.
  2. Remove metal particles from the end (you can use toothpick).
  3. Check the resistance - if it is normal, the sensor can be reinstalled.

If the sensor cracked or its resistance is not up to standard, cleaning will not help - only replacement.

Why does the engine run worse after replacing the DPKV?

Possible reasons:

  • 🔌 The connector is not connected correctly (contacts are mixed up).
  • 🛠️ Failure to maintain clearance between the sensor and the crankshaft.
  • 💻 ECU adaptations not reset (you need to disconnect the battery for 15 minutes).
  • 🚗 Defective sensor (check the resistance of the new DPKV).

If the problem persists, check wiring from the sensor to the ECU for breaks.