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P1320

Ignition Signal Primary

2007-2012 Nissan Altima 2.5L I4

High SeverityPowertrain

Description

ECM not receiving proper signal from ignition power transistor.

Symptoms

  • CEL
  • Misfires
  • Rough idle
  • Stalling
  • Hesitation
  • Hard start

Common Causes

  • Faulty ignition coil(s)
  • Poor ground
  • Damaged coil wiring
  • Faulty power transistor

Diagnostic Steps

  1. Test each coil
  2. Check grounds
  3. Inspect wiring
  4. Test power transistor

Repair Notes

Replace faulty ignition coil(s).

Related Codes

P0300Random/Multiple Cylinder Misfire Detected

Other Powertrain Codes

P1320 on Other Vehicles

Common Questions

What does code P1320 mean on a 2007-2012 Nissan Altima?

P1320 stands for "Ignition Signal Primary". ECM not receiving proper signal from ignition power transistor.

What are the symptoms of P1320 on a Nissan Altima?

Common symptoms of P1320 include: CEL, Misfires, Rough idle, Stalling, Hesitation, Hard start.

What causes P1320 on a 2007-2012 Nissan Altima?

Common causes of P1320 include: Faulty ignition coil(s), Poor ground, Damaged coil wiring, Faulty power transistor.

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