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СИСТЕМА SFI, Diagnostic DTC:P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358

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DTC Code DTC Name
P0351 Ignition Coil "A" Primary / Secondary Circuit
P0352 Ignition Coil "B" Primary / Secondary Circuit
P0353 Ignition Coil "C" Primary / Secondary Circuit
P0354 Ignition Coil "D" Primary / Secondary Circuit
P0355 Ignition Coil "E" Primary / Secondary Circuit
P0356 Ignition Coil "F" Primary / Secondary Circuit
P0357 Ignition Coil "G" Primary / Secondary Circuit
P0358 Ignition Coil "H" Primary / Secondary Circuit
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DESCRIPTION

Tip:

  • These DTCs indicate malfunctions relating to the primary circuit.

  • If DTC P0351 is stored, check the No. 1 ignition coil circuit.

  • If DTC P0352 is stored, check the No. 2 ignition coil circuit.

  • If DTC P0353 is stored, check the No. 3 ignition coil circuit.

  • If DTC P0354 is stored, check the No. 4 ignition coil circuit.

  • If DTC P0355 is stored, check the No. 5 ignition coil circuit.

  • If DTC P0356 is stored, check the No. 6 ignition coil circuit.

  • If DTC P0357 is stored, check the No. 7 ignition coil circuit.

  • If DTC P0358 is stored, check the No. 8 ignition coil circuit.

A Direct Ignition System (DIS) is used on this vehicle.

The DIS is a 1-cylinder ignition system in which each cylinder is ignited by one ignition coil and one spark plug is connected to the end of each secondary wiring. A powerful voltage, generated in the secondary wiring, is applied directly to each spark plug. The sparks of the spark plugs pass from the center electrode to the ground electrodes.

The ECM determines the ignition timing and transmits the ignition (IGT) signals to each cylinder. Using the IGT signal, the ECM turns the power transistor inside the igniter on and off. The power transistor, in turn, switches on and off the current to the primary coil. When the current to the primary coil is cut off, a powerful voltage is generated in the secondary coil. This voltage is applied to the spark plugs, causing them to spark inside the cylinders. As the ECM cuts the current to the primary coil, the igniter sends back an ignition confirmation (IGF) signal to the ECM for each cylinder ignition.

DTC No. DTC Detection Condition Trouble Area

P0351

P0352

P0353

P0354

P0355

P0356

P0357

P0358

 No IGF signal is sent to the ECM while the engine is running (ECM does not receive any IGF signals despite the ECM sending an IGT signal to the igniter) (1 trip detection logic).

  • Ignition system

  • Open or short in IGF1, IGT2 or IGT circuit (1 to 8) between ignition coil and ECM

  • No. 1 to No. 8 ignition coil assemblies

  • ECM

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MONITOR DESCRIPTION

If the ECM does not receive any IGF signals despite transmitting the IGT signal, it interprets this as a fault in the igniter and stores a DTC.

If the malfunction is not repaired successfully, a DTC is stored 1 second after the engine is next started.

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CONFIRMATION DRIVING PATTERN


  1. Start the engine and run it at idle for 10 seconds or more.

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WIRING DIAGRAM

Refer to DTC P0300 (Click here).

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INSPECTION PROCEDURE

Tip:

Read freeze frame data using the GTS. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

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PROCEDURE


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    INSPECT IGNITION COIL ASSEMBLY (POWER SOURCE)


    1. Disconnect the ignition coil connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      C5-4 (GND) - Body ground Always Below 1 Ω
      C64-4 (GND) - Body ground Always Below 1 Ω
      C61-4 (GND) - Body ground Always Below 1 Ω
      C12-4 (GND) - Body ground Always Below 1 Ω
      C7-4 (GND) - Body ground Always Below 1 Ω
      C63-4 (GND) - Body ground Always Below 1 Ω
      C62-4 (GND) - Body ground Always Below 1 Ω
      C10-4 (GND) - Body ground Always Below 1 Ω
    3. A01EOXCE61

      Turn the engine switch on (IG).

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      C5-1 (+B) - C5-4 (GND) Engine switch on (IG) 11 to 14 V
      C64-1 (+B) - C64-4 (GND) Engine switch on (IG) 11 to 14 V
      C61-1 (+B) - C61-4 (GND) Engine switch on (IG) 11 to 14 V
      C12-1 (+B) - C12-4 (GND) Engine switch on (IG) 11 to 14 V
      C7-1 (+B) - C7-4 (GND) Engine switch on (IG) 11 to 14 V
      C63-1 (+B) - C63-4 (GND) Engine switch on (IG) 11 to 14 V
      C62-1 (+B) - C62-4 (GND) Engine switch on (IG) 11 to 14 V
      C10-1 (+B) - C10-4 (GND) Engine switch on (IG) 11 to 14 V
      Table 1. Text in Illustration
      *a

      Front view of wire harness connector

      (to Ignition Coil Assembly)

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    CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - ECM)


    1. Disconnect the ignition coil connector.

    2. Disconnect the ECM connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      C5-2 (IGF1) - C54-104 (IGF1) Always Below 1 Ω
      C64-2 (IGF2) - C54-105 (IGF2) Always Below 1 Ω
      C61-2 (IGF2) - C54-105 (IGF2) Always Below 1 Ω
      C12-2 (IGF1) - C54-104 (IGF1) Always Below 1 Ω
      C7-2 (IGF2) - C54-105 (IGF2) Always Below 1 Ω
      C63-2 (IGF1) - C54-104 (IGF1) Always Below 1 Ω
      C62-2 (IGF1) - C54-104 (IGF1) Always Below 1 Ω
      C10-2 (IGF2) - C54-105 (IGF2) Always Below 1 Ω
      C5-3 (IGT1) - C54-40 (IGT1) Always Below 1 Ω
      C64-3 (IGT2) - C54-33 (IGT2) Always Below 1 Ω
      C61-3 (IGT3) - C54-37 (IGT3) Always Below 1 Ω
      C12-3 (IGT4) - C54-34 (IGT4) Always Below 1 Ω
      C7-3 (IGT5) - C54-35 (IGT5) Always Below 1 Ω
      C63-3 (IGT6) - C54-36 (IGT6) Always Below 1 Ω
      C62-3 (IGT7) - C54-38 (IGT7) Always Below 1 Ω
      C10-3 (IGT8) - C54-39 (IGT8) Always Below 1 Ω
      C5-2 (IGF1) or C54-104 (IGF1) - Body ground Always 10 kΩ or higher
      C64-2 (IGF2) or C54-105 (IGF2) - Body ground Always 10 kΩ or higher
      C61-2 (IGF2) or C54-105 (IGF2) - Body ground Always 10 kΩ or higher
      C12-2 (IGF1) or C54-104 (IGF1) - Body ground Always 10 kΩ or higher
      C7-2 (IGF2) or C54-105 (IGF2) - Body ground Always 10 kΩ or higher
      C63-2 (IGF1) or C54-104 (IGF1) - Body ground Always 10 kΩ or higher
      C62-2 (IGF1) or C54-104 (IGF1) - Body ground Always 10 kΩ or higher
      C10-2 (IGF2) or C54-105 (IGF2) - Body ground Always 10 kΩ or higher
      C5-3 (IGT1) or C54-40 (IGT1) - Body ground Always 10 kΩ or higher
      C64-3 (IGT2) or C54-33 (IGT2) - Body ground Always 10 kΩ or higher
      C61-3 (IGT3) or C54-37 (IGT3) - Body ground Always 10 kΩ or higher
      C12-3 (IGT4) or C54-34 (IGT4) - Body ground Always 10 kΩ or higher
      C7-3 (IGT5) or C54-35 (IGT5) - Body ground Always 10 kΩ or higher
      C63-3 (IGT6) or C54-36 (IGT6) - Body ground Always 10 kΩ or higher
      C62-3 (IGT7) or C54-38 (IGT7) - Body ground Always 10 kΩ or higher
      C10-3 (IGT8) or C54-39 (IGT8) - Body ground Always 10 kΩ or higher

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    CHECK WHETHER DTC OUTPUT RECURS (DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357 OR P0358)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Clear DTCs (Click here).

    5. Shuffle the arrangement of the ignition coil assemblies (among the No. 1 to No. 8 cylinders).

      Note:

      Do not shuffle the connectors.

    6. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.

    7. Check the DTCs output on the GTS.

      Table 2. Result
      Result Proceed to
      Same DTC is output A
      Different ignition coil DTC is output B

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPLACE IGNITION COIL ASSEMBLYClick here

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    REPLACE ECMClick here