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.
The cost to diagnose the P1300 Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
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.
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