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P1300 Lexus Code - Igniter Circuit Malfunction No. 1

- Code Popularity: 46,850 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1300 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Ignition Coil No. 1
  • Ignition Coil No. 1 harness is open or shorted
  • Ignition Coil No. 1 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
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How to Fix the DTC P1300 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1300 Lexus code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P1300 Lexus Description

Direct Ignition System (DIS) is a 1-cylinder ignition system that ignites one cylinder with one ignition coil. The ignitor is integral to 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, power transistors in the ignitor cut of current to the primary coil in the ignition coil, causing the ignition coil to fire the spark plug. After delivering a command to turn off the primary circuit on the IGT wire, ECM monitors IGF circuit to ensure primary switching occurred. The P1300 code is for the ignition coil No.1 and is set when there is no IGF signal to the ECM during engine operation.

OBDII Code P1300 Lexus - Igniter Circuit Malfunction No. 1 - AutoCodes.com
P1300 Lexus Code - Igniter Circuit Malfunction No. 1

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