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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 188 (Engine Control System (2GR-FKS) - Diagnostic Codes (4 Of 7)) >> SFI System >> DTC P0351-13: Ignition Coil "A" Circuit Open; DTC P0352-13: Ignition Coil "B" Circuit Open; DTC P0353-13: Ignition Coil "C" Circuit Open; DTC P0354-13: Ignition Coil "D" Circuit Open; DTC P0355-13: Ignition Coil "E" Circuit Open; DTC P0356-13: Ignition Coil "F" Circuit Open [10/2017 - ] >> Procedure

DTC P0351-13: Ignition Coil "A" Circuit Open; DTC P0352-13: Ignition Coil "B" Circuit Open; DTC P0353-13: Ignition Coil "C" Circuit Open; DTC P0354-13: Ignition Coil "D" Circuit Open; DTC P0355-13: Ignition Coil "E" Circuit Open; DTC P0356-13: Ignition Coil "F" Circuit Open [10/2017 - ]: Procedure

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  1. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Clear the DTC.

      Powertrain > Engine > Clear DTCs 

    5. Turn the engine switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK WHETHER DTC OUTPUT RECURS (DTC P0351-13, P0352-13, P0353-13, P0354-13, P0355-13 OR P0356-13) 
    1. Shuffle the arrangement of the ignition coil assemblies (among No. 1 to No. 6 cylinders).
      NOTE:

      Do not change the location of the connectors.

    2. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    3. Enter the following menus: Powertrain / Engine / Trouble Codes.
    4. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      Same DTC output A
      Different ignition coil DTC output B

      HINT: 

      Perform "Inspection After Repair" after replacing the ignition coil assembly.

      Refer to INITIALIZATION [10/2017 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2020] , or refer to INITIALIZATION [09/2020 - ]

    Result: 

    B 

    REPLACE IGNITION COIL ASSEMBLY. Refer to  REMOVAL [10/2017 - ] 

    Result: 

    A 

    See step  3

  3. CHECK TERMINAL VOLTAGE (POWER SOURCE OF IGNITION COIL ASSEMBLY) 
    GTY785136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Front view of wire harness connector
    (to Ignition Coil Assembly)
    1. Disconnect the ignition coil assembly connector.
    2. Turn the engine switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      F110-1 (+B) - Body ground Engine switch on (IG) 11 to 14 V
      F103-1 (+B) - Body ground Engine switch on (IG) 11 to 14 V
      F111-1 (+B) - Body ground Engine switch on (IG) 11 to 14 V
      F104-1 (+B) - Body ground Engine switch on (IG) 11 to 14 V
      F112-1 (+B) - Body ground Engine switch on (IG) 11 to 14 V
      F105-1 (+B) - Body ground Engine switch on (IG) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - BODY GROUND) 
    1. Disconnect the ignition coil assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F110-4 (GND) - Body ground Always Below 1 Ω
      F103-4 (GND) - Body ground Always Below 1 Ω
      F111-4 (GND) - Body ground Always Below 1 Ω
      F104-4 (GND) - Body ground Always Below 1 Ω
      F112-4 (GND) - Body ground Always Below 1 Ω
      F105-4 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - ECM) 
    1. Disconnect the ignition coil assembly 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
      F110-2 (IGF1) - F102-112 (IGF1) Always Below 1 Ω
      F103-2 (IGF2) - F102-80 (IGF2) Always Below 1 Ω
      F111-2 (IGF1) - F102-112 (IGF1) Always Below 1 Ω
      F104-2 (IGF2) - F102-80 (IGF2) Always Below 1 Ω
      F112-2 (IGF1) - F102-112 (IGF1) Always Below 1 Ω
      F105-2 (IGF2) - F102-80 (IGF2) Always Below 1 Ω
      F110-3 (IGT1) - F102-71 (IGT1) Always Below 1 Ω
      F103-3 (IGT2) - F102-36 (IGT2) Always Below 1 Ω
      F111-3 (IGT3) - F102-70 (IGT3) Always Below 1 Ω
      F104-3 (IGT4) - F102-35 (IGT4) Always Below 1 Ω
      F112-3 (IGT5) - F102-69 (IGT5) Always Below 1 Ω
      F105-3 (IGT6) - F102-34 (IGT6) Always Below 1 Ω
      F110-2 (IGF1) or F102-112 (IGF1) - Body ground and other terminals Always 10 kΩ or higher
      F103-2 (IGF2) or F102-80 (IGF2) - Body ground and other terminals Always 10 kΩ or higher
      F111-2 (IGF1) or F102-112 (IGF1) - Body ground and other terminals Always 10 kΩ or higher
      F104-2 (IGF2) or F102-80 (IGF2) - Body ground and other terminals Always 10 kΩ or higher
      F112-2 (IGF1) or F102-112 (IGF1) - Body ground and other terminals Always 10 kΩ or higher
      F105-2 (IGF2) or F102-80 (IGF2) - Body ground and other terminals Always 10 kΩ or higher
      F110-3 (IGT1) or F102-71 (IGT1) - Body ground and other terminals Always 10 kΩ or higher
      F103-3 (IGT2) or F102-36 (IGT2) - Body ground and other terminals Always 10 kΩ or higher
      F111-3 (IGT3) or F102-70 (IGT3) - Body ground and other terminals Always 10 kΩ or higher
      F104-3 (IGT4) or F102-35 (IGT4) - Body ground and other terminals Always 10 kΩ or higher
      F112-3 (IGT5) or F102-69 (IGT5) - Body ground and other terminals Always 10 kΩ or higher
      F105-3 (IGT6) or F102-34 (IGT6) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [10/2017 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  6. CHECK HARNESS AND CONNECTOR (SEMICONDUCTOR POWER INTEGRATION ECU - IGNITION COIL ASSEMBLY) 
    1. Disconnect the semiconductor power integration ECU connector.
    2. Disconnect the ignition coil assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      2G-4 - F110-1 (+B) Always Below 1 Ω
      2G-4 - F103-1 (+B) Always Below 1 Ω
      2G-4 - F111-1 (+B) Always Below 1 Ω
      2G-4 - F104-1 (+B) Always Below 1 Ω
      2G-4 - F112-1 (+B) Always Below 1 Ω
      2G-4 - F105-1 (+B) Always Below 1 Ω
      2G-4 or F110-1 (+B) - Body ground and other terminals Always 10 kΩ or higher
      2G-4 or F103-1 (+B) - Body ground and other terminals Always 10 kΩ or higher
      2G-4 or F111-1 (+B) - Body ground and other terminals Always 10 kΩ or higher
      2G-4 or F104-1 (+B) - Body ground and other terminals Always 10 kΩ or higher
      2G-4 or F112-1 (+B) - Body ground and other terminals Always 10 kΩ or higher
      2G-4 or F105-1 (+B) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    GO TO ECM POWER SOURCE CIRCUIT. Refer to  ECM Power Source Circuit [10/2017 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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