Nissan Error Code P1320: How to Fix It

Medium 1-2 hours High Severity Verified June 2026
Error Code
P1320
Brand
Nissan
Product Type
automotive
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Nissan error code P1320 indicates an ignition signal primary fault in your vehicle's ignition system. This means the engine control module (ECM) isn't receiving the proper signal from the ignition coil or crankshaft position sensor, which can cause rough idling, misfiring, or prevent the engine from starting.
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Tools You'll Need

How to Fix Error Code P1320

  1. Turn off engine and ensure safety

    Never work on ignition system with engine running or hot. Disconnect battery to prevent electrical shock.
  2. Scan for additional codes

  3. Inspect ignition coil connections

  4. Test ignition coil resistance

  5. Check crankshaft position sensor

  6. Inspect ECM ground connections

  7. Clear codes and test drive

Parts You May Need

Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
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When to Call a Professional

Call a professional mechanic if the code returns after replacing ignition coils and crankshaft position sensor, if you're not comfortable working with electrical components, or if additional diagnostic equipment is needed to pinpoint wiring issues within the engine harness.

Frequently Asked Questions

Can I drive with Nissan error code P1320?
It's not recommended to drive with P1320 as it can cause engine misfiring, stalling, or complete failure to start. The vehicle may run roughly and could potentially damage the catalytic converter if driven extensively.
What causes Nissan P1320 error code?
P1320 is typically caused by faulty ignition coils, a bad crankshaft position sensor, damaged wiring in the ignition system, poor electrical connections, or rarely, a faulty engine control module (ECM).
How much does it cost to fix P1320 on a Nissan?
Repair costs vary depending on the root cause. Ignition coils typically cost $50-150 each, crankshaft position sensors cost $30-80, and labor ranges from $100-200. Total repair costs usually range from $200-600.
Is P1320 the same on all Nissan models?
Yes, P1320 indicates ignition signal primary fault across all Nissan models, but the specific location of components and testing procedures may vary between different engines and model years.
Can a bad battery cause P1320 code?
While a weak battery typically won't directly cause P1320, low voltage can affect ECM operation and ignition system performance. Ensure your battery and charging system are functioning properly before diagnosing ignition components.