P1310 Code Isuzu – Injection Control Circuit Malfunction

What are the possible causes of DTC P1310 Isuzu?

NOTE: The causes listed may not be a complete list of all potential problems, and there may be other causes.

  • Faulty injection control module
  • Injection control module harness is open or short-circuited
  • Poor electrical connection of the injection control module circuit
  • Faulty engine control module (ECM)

How to repair DTC P1310 Isuzu?

Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

What are the possible symptoms of code P1310 Isuzu?

  • Engine light on (or engine maintenance warning light soon)

What does Isuzu code P1310 mean?

Injection control circuit malfunction is the generic description for Isuzu code P1310, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no other information about the Isuzu P1310 OBDII code.

P1310 Code Lexus – Malfunction of Ignition Circuit No. 3

What are the possible causes of DTC P1310 Lexus?

NOTE: The causes listed may not be a complete list of all potential problems and there may be other causes.

  • Faulty ignition coil No. 3
  • Ignition coil No. 3 harness is open or shorted
  • Poor electrical connection in ignition coil No. 3 circuit
  • Faulty Engine Control Module (ECM)

How to repair DTC P1310 Lexus?

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is Lexus P1310 code detected?

The P1310 code relates to ignition coil No. 3 and is set when there is no IGF signal to the ECM during engine operation.

What are the possible symptoms of P1310 Lexus code?

  • Check Engine Light ON (or Service Engine Soon Warning Light)

What does Lexus P1310 code mean?

The Direct Ignition System (DIS) is a 1-cylinder ignition system that fires one cylinder with one ignition coil. The igniter is an integral part of the ignition coil. The Engine Control Module (ECM) determines the ignition timing and outputs an ignition signal (IGT) for each cylinder. Based on the IGT signals, the power transistors in the igniter cut off the current to the ignition coil primary coil, causing the ignition coil to fire the spark plug. After giving the command to deactivate the primary circuit on the IGT wire, the ECM monitors the IGF circuit to ensure that primary switching has occurred.

P1310 Code Toyota – Malfunction of Ignition Circuit No. 3

DTC P1310 Toyota: Ignition Circuit Malfunction (Cylinder 3)

Code Meaning

The P1310 code indicates a problem in the ignition circuit for cylinder 3. The Direct Ignition System (DIS) uses a dedicated coil per cylinder. The ECM sends an IGT signal to the coil to trigger the spark. After ignition, the coil sends a confirmation IGF signal back to the ECM. P1310 is triggered when the ECM does not receive the IGF signal from cylinder 3 during engine operation.

Common Symptoms

  • 🔶 Check Engine light on (or “Service Engine Soon”)
  • ⚠️ Engine in limp mode (loss of power)
  • 🚗 Rough idling
  • ⛽ Increased fuel consumption
  • 💥 Cylinder 3 misfires

Possible Causes

  1. Ignition Coil Failure
    • Coil #3 damaged or inoperative.
  2. Wiring Problems
    • Short circuit or open circuit in the #3 coil harness.
    • Damaged, melted, or exposed wires.
  3. Faulty Electrical Connections
    • Loose, corroded, or oxidized coil connector.
    • Bent, broken, or pushed-back pins in the connector.
  4. Engine Control Module (ECM) Failure
    • Internal ECM problem (less common, check last).

Diagnostic and Repair Procedure

  1. Visual Inspection
    • Inspect the #3 coil connector and harness: look for damage, corrosion, or burn marks.
    • Check the condition of the pins (no bending, breakage, or dislodgement).
  2. Electrical Tests
    • Check the coil resistance (according to manufacturer specifications).
    • Test for continuity and absence of short circuits in the wiring using a multimeter.
    • Check the circuit’s power supply voltage and ground.
  3. Advanced Diagnostics
    • Swap coil #3 with another cylinder: if the code follows the coil, replace it.
    • Use an oscilloscope to analyze the IGT/IGF signals.
    • Check the ECM live data with a diagnostic tool.
  4. Repairs
    • Replace the faulty coil.
    • Repair or replace the damaged harness.
    • Clean the connectors or replace the faulty connector.
    • As a last resort, update or replace the ECM.

⚠️ Precautions: Always disconnect the battery before any work on the ignition circuit.

Key DIS System Operation

Signal Role Fault
IGT Ignition command sent by the ECM to the coil No spark
IGF Ignition confirmation signal returned by the coil to the ECM Triggers P1310

Recommended Additional Sources

  • Toyota repair manual specific to the model
  • ETM (Electrical Troubleshooting Manual) wiring diagrams
  • TSB (Technical Service Bulletin) related to P1310

P1310 Volvo Code – Malfunction in Ignition Circuit No. 3

What are the possible causes of Volvo DTC P1310?

NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.

  • Faulty ignition coil #3
  • Ignition coil #3 harness is open or shorted
  • Poor electrical connection in ignition coil #3 circuit
  • Faulty Engine Control Module (ECM)

How to repair Volvo DTC P1310?

Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is Volvo code P1310 detected?

The P1310 code relates to ignition coil #3 and is set when there is no IGF signal to the ECM during engine operation.

What are the possible symptoms of Volvo P1310 code?

  • Check Engine Light On (or Service Engine Soon Warning Light)

What does Volvo code P1310 mean?

The Direct Ignition System (DIS) is a 1-cylinder ignition system that fires one cylinder with one ignition coil. The igniter is an integral part of the ignition coil. The Engine Control Module (ECM) determines ignition timing and outputs an ignition signal (IGT) for each cylinder. Based on the IGT signals, the power transistors in the igniter cut off current to the ignition coil’s primary coil, causing the ignition coil to fire the spark plug. After giving the command to deactivate the primary circuit on the IGT wire, the ECM monitors the IGF circuit to ensure that primary switching has occurred.

P1311 Code – ION Sensing Module Line 1 Circuit Malfunction

What are the possible causes of DTC P1311?

NOTE: The causes listed may not be a complete list of all potential problems, and there may be other causes.

  • Faulty ignition coil
  • Ignition coil harness is open or shorted
  • Poor electrical connection in the ignition coil circuit
  • Faulty ion sensor module

How to repair DTC P1311?

Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

What are the possible symptoms of code P1311?

  • Engine light on (or soon-to-be engine maintenance warning light)

What does code P1311 mean?

The generic description for code P1311 is “ION Sensing Module SEC Circuit Line 1 Malfunction,” but the manufacturer may have a different description for your vehicle’s model and year. Currently, we have no further information about OBDII code P1311.

P1311 Code Hyundai – Ignition Control Module Circuit 1

What are the possible causes of DTC P1311 Hyundai?

NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.

  • Faulty injection control module
  • Injection control module harness is open or shorted
  • Poor electrical connection in injection control module circuit
  • Faulty engine control module (ECM)

How to repair DTC P1311 Hyundai?

Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

What are the possible symptoms of Hyundai P1311 code?

  • Check engine light on (or service engine soon warning light)

What does Hyundai P1311 code mean?

The engine control module (ECM) monitors the ignition control module (ICM). The ECM sets the OBDII code when the ignition control module doesn’t meet factory specifications.

P1311 Isuzu Code – ION SEC Module Detection Line 1 Circuit Malfunction

What are the possible causes of Isuzu DTC P1311?

NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.
  • Faulty ignition coil
  • Ignition coil harness is open or shorted
  • Poor electrical connection in the ignition coil circuit
  • Faulty ion sensor module

How to repair Isuzu DTC P1311?

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

What are the possible symptoms of Isuzu code P1311?

  • Engine light on (or service engine soon warning light)

What does Isuzu code P1311 mean?

ION Sensing Module SEC Circuit Line 1 Malfunction is the generic description for Isuzu code P1311, but the manufacturer may have a different description for your model and year of vehicle. Currently, we have no further information on the Isuzu OBDII code P1311.

Code P1312 – Ignition Coil Knock Sensor Cylinders 1 and 2

What are the possible causes of DTC P1312?

NOTE: The causes listed may not be a complete list of all potential problems, and there may be other causes.

  • Faulty/worn spark plugs
  • Faulty ignition coils
  • Ignition coil harness is open or short-circuited
  • Poor electrical connection in the ignition coil circuit

How to repair DTC P1312?

Check the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

What are the possible symptoms of code P1312?

  • Engine light on (or engine maintenance warning light soon)

What does code P1312 mean?

Ignition Coil Knock Sensor Cylinders 1 and 2 is the generic description for code P1312, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about OBDII code P1312.

P1312 Hyundai Code – Ignition Control Module Circuit 2

What are the possible causes of Hyundai DTC P1312?

NOTE: The listed causes may not be a complete list of all potential problems, and there may be other causes.

  • Faulty injection control module
  • Injection control module harness is open or shorted
  • Poor electrical connection in the injection control module circuit
  • Faulty Engine Control Module (ECM)

How to repair Hyundai DTC P1312?

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

What are the possible symptoms of Hyundai code P1312?

  • Engine light on (or service engine soon warning light)

What does Hyundai code P1312 mean?

Ignition Control Module Circuit 2 is the generic description for Hyundai code P1312, but the manufacturer may have a different description for your specific model and vehicle year. Currently, we have no further information about the Hyundai P1312 OBDII code.

P1312 Isuzu Code – ION SEC Module Detection Line 2 Circuit Malfunction

What are the possible causes of DTC P1312 Isuzu?

NOTE: The listed causes may not be a complete list of all potential problems, and there may be other causes.

  • Faulty ignition coil
  • Ignition coil harness is open or short-circuited
  • Poor electrical connection in the ignition coil circuit
  • Faulty ion sensor module

How to repair DTC P1312 Isuzu?

Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

What are the possible symptoms of Isuzu code P1312?

  • Engine light on (or soon-to-be engine maintenance warning light)

What does Isuzu code P1312 mean?

The generic description for Isuzu code P1312 is “SEC Line 2 circuit fault of the ION detection module,” but the manufacturer may have a different description for your vehicle model and year. Currently, we have no other information about the Isuzu P1312 OBDII code.