LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0190-P060B)) >> SFI System >> DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit; DTC P0355: Ignition Coil "E" Primary / Secondary Circuit; DTC P0356: Ignition Coil "F" Primary / Secondary Circuit; DTC P0357: Ignition Coil "G" Primary / Secondary Circuit; DTC P0358: Ignition Coil "H" Primary / Secondary Circuit >> Procedure

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

  1. READ OUTPUT DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG) and turn the Techstream on.
    3. Enter the following menus: Powertrain / Engine / Trouble Codes.
    4. Read the DTCs.

      Result

      Result Proceed to
      One of DTCs P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358 is output. A
      Some of DTCs P0351, P0352, P0353, P0354, P0355, P0356, P0358 are output. B

    B → See step   7 

    A: Go to next step 

  2. PERFORM SIMULATION TEST 
    1. Clear DTCs. Refer to DTC CHECK / CLEAR .
    2. Change the arrangement of the ignition coils (with igniters).
      NOTE:

      Do not change the location of the connectors.

    3. Perform a simulation test.

      Result

      Result Proceed to
      Same DTCs (that have been cleared) A
      Other DTCs B

    B → See step   8 

    A: Go to next step 

  3. INSPECT IGNITION COIL ASSEMBLY (POWER SOURCE) 
    1. Disconnect the ignition coil connector.
      Fig 1: Identifying Ignition Coil Connector Terminals
      GTY145779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the engine switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      E22-1 (+B) - E22-4 (GND) Engine switch on (IG) 11 to 14 V
      E32-1 (+B) - E32-4 (GND) Engine switch on (IG) 11 to 14 V
      E23-1 (+B) - E23-4 (GND) Engine switch on (IG) 11 to 14 V
      E33-1 (+B) - E33-4 (GND) Engine switch on (IG) 11 to 14 V
      E24-1 (+B) - E24-4 (GND) Engine switch on (IG) 11 to 14 V
      E35-1 (+B) - E35-4 (GND) Engine switch on (IG) 11 to 14 V
      E78-1 (+B) - E78-4 (GND) Engine switch on (IG) 11 to 14 V
      E72-1 (+B) - E72-4 (GND) Engine switch on (IG) 11 to 14 V
    4. Reconnect the ignition coil connector.

    NG → See step   7 

    OK: Go to next step 

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

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      E22-3 (IGT1) - E5-27 (IGT1) Always Below 1 Ω
      E32-3 (IGT2) - E4-23 (IGT2) Always Below 1 Ω
      E23-3 (IGT3) - E5-26 (IGT3) Always Below 1 Ω
      E33-3 (IGT4) - E4-22 (IGT4) Always Below 1 Ω
      E24-3 (IGT5) - E5-25 (IGT5) Always Below 1 Ω
      E35-3 (IGT6) - E4-21 (IGT6) Always Below 1 Ω
      E78-3 (IGT7) - E5-24 (IGT7) Always Below 1 Ω
      E72-3 (IGT8) - E4-20 (IGT8) Always Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      E22-3 (IGT1) or E5-27 (IGT1) - Body ground Always 10 kΩ or higher
      E32-3 (IGT2) or E4-23 (IGT2) - Body ground Always 10 kΩ or higher
      E23-3 (IGT3) or E5-26 (IGT3) - Body ground Always 10 kΩ or higher
      E33-3 (IGT4) or E4-22 (IGT4) - Body ground Always 10 kΩ or higher
      E24-3 (IGT5) or E5-25 (IGT5) - Body ground Always 10 kΩ or higher
      E35-3 (IGT6) or E4-21 (IGT6) - Body ground Always 10 kΩ or higher
      E78-3 (IGT7) or E5-24 (IGT7) - Body ground Always 10 kΩ or higher
      E72-3 (IGT8) or E4-20 (IGT8) - Body ground Always 10 kΩ or higher

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      E22-2 (IGF1) - E5-32 (IGF1) Always Below 1 Ω
      E32-2 (IGF2) - E4-28 (IGF2) Always Below 1 Ω
      E23-2 (IGF2) - E4-28 (IGF2) Always Below 1 Ω
      E33-2 (IGF1) - E5-32 (IGF1) Always Below 1 Ω
      E24-2 (IGF2) - E4-28 (IGF2) Always Below 1 Ω
      E35-2 (IGF1) - E5-32 (IGF1) Always Below 1 Ω
      E78-2 (IGF1) - E5-32 (IGF1) Always Below 1 Ω
      E72-2 (IGF2) - E4-28 (IGF2) Always Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      E22-2 (IGF1) or E5-32 (IGF1) - Body ground Always 10 kΩ or higher
      E32-2 (IGF2) or E4-28 (IGF2) - Body ground Always 10 kΩ or higher
      E23-2 (IGF2) or E4-28 (IGF2) - Body ground Always 10 kΩ or higher
      E33-2 (IGF1) or E5-32 (IGF1) - Body ground Always 10 kΩ or higher
      E24-2 (IGF2) or E4-28 (IGF2) - Body ground Always 10 kΩ or higher
      E35-2 (IGF1) or E5-32 (IGF1) - Body ground Always 10 kΩ or higher
      E78-2 (IGF1) or E5-32 (IGF1) - Body ground Always 10 kΩ or higher
      E72-2 (IGF2) or E4-28 (IGF2) - Body ground Always 10 kΩ or higher
    4. Reconnect the ignition coil connector and ECM connectors.

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  5. INSPECT ECM (IGT AND IGF SIGNAL) 
    1. Connect the oscilloscope to ECM.
      Fig 2: Identifying IGT And IGF Signal Waveform & ECM Connectors
      GTY147547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the CH1 to the terminal IGT (1 to 8) and E1.
      2. Connect the CH2 to the terminal IGF1, IGF2 and E1.
    2. Check the waveform according to the below.
      Item Content
      Terminal CH1: IGT1, IGT4, IGT6 or IGT7 - E1
      CH2: IGF1 - E1
      CH1: IGT2, IGT3, IGT5 or IGT8 - E1
      CH2: IGF2 - E1
      Equipment Setting 2 V/DIV.
      20 msec./DIV.
      Condition Cranking or idling

    NG → See step   10 

    OK: Go to next step 

  6. CHECK IF DTC OUTPUT RECURS 
    1. Clear DTCs. Refer to DTC CHECK / CLEAR .
    2. Connect the Techstream to the DLC3.
    3. Turn the engine switch on (IG) and turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read the DTCs.

      Result

      Result Proceed to
      DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357 or P0358 is output A
      DTC is not output B

    B → See step   9 

    A → See step   10 

  7. INSPECT IGNITION COIL ASSEMBLY (GROUND CIRCUIT) 
    1. Disconnect the ignition coil connector.
      Fig 3: Identifying Ignition Coil Connector Terminals
      GTY124155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      E22-4 (GND) - Body ground Always Below 1 Ω
      E32-4 (GND) - Body ground Always Below 1 Ω
      E23-4 (GND) - Body ground Always Below 1 Ω
      E33-4 (GND) - Body ground Always Below 1 Ω
      E24-4 (GND) - Body ground Always Below 1 Ω
      E35-4 (GND) - Body ground Always Below 1 Ω
      E78-4 (GND) - Body ground Always Below 1 Ω
      E72-4 (GND) - Body ground Always Below 1 Ω
    3. Reconnect the ignition coil connector.

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION COIL ASSEMBLY - GROUND) 

    OK → REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION COIL ASSEMBLY - IG2 RELAY) 

  8. REPLACE IGNITION COIL ASSEMBLY. Refer to  REMOVAL 
  9. CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS 
  10. REPLACE ECM. Refer to  REMOVAL 
scientia non olet · About LEMON Manuals