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Home >> Toyota >> 2012 >> Matrix Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2ZR-FE) (Diagnostic Codes (P0010 - P0420) >> 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 >> 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: Procedure

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

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      B21-4 (GND) - Body ground Always Below 1 Ω
      B22-4 (GND) - Body ground Always Below 1 Ω
      B23-4 (GND) - Body ground Always Below 1 Ω
      B24-4 (GND) - Body ground Always Below 1 Ω
    3. Reconnect the ignition coil assembly connectors.

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

    OK: Go to next step 

  2. INSPECT IGNITION COIL ASSEMBLY (POWER SOURCE) 
    1. Disconnect the ignition coil assembly connectors.
      Fig 1: Inspecting Ignition Coil Assembly Connector Terminals
      GTY221287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the ignition switch to ON.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      B21-1 (+B) - B21-4 (GND) Ignition switch ON 11 to 14 V
      B22-1 (+B) - B22-4 (GND) Ignition switch ON 11 to 14 V
      B23-1 (+B) - B23-4 (GND) Ignition switch ON 11 to 14 V
      B24-1 (+B) - B24-4 (GND) Ignition switch ON 11 to 14 V
    4. Reconnect the ignition coil assembly connectors.

    NG → See step   7 

    OK: Go to next step 

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

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      B21-2 (IGF) - B29-82 (IGF1) Always Below 1 Ω
      B22-2 (IGF) - B29-82 (IGF1) Always Below 1 Ω
      B23-2 (IGF) - B29-82 (IGF1) Always Below 1 Ω
      B24-2 (IGF) - B29-82 (IGF1) Always Below 1 Ω
      B21-3 (IGT1) - B29-109 (IGT1) Always Below 1 Ω
      B22-3 (IGT2) - B29-108 (IGT2) Always Below 1 Ω
      B23-3 (IGT3) - B29-107 (IGT3) Always Below 1 Ω
      B24-3 (IGT4) - B29-106 (IGT4) Always Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      B21-2 (IGF) or B29-82 (IGF1) - Body ground Always 10 kΩ or higher
      B22-2 (IGF) or B29-82 (IGF1) - Body ground Always 10 kΩ or higher
      B23-2 (IGF) or B29-82 (IGF1) - Body ground Always 10 kΩ or higher
      B24-2 (IGF) or B29-82 (IGF1) - Body ground Always 10 kΩ or higher
      B21-3 (IGT1) or B29-109 (IGT1) - Body ground Always 10 kΩ or higher
      B22-3 (IGT2) or B29-108 (IGT2) - Body ground Always 10 kΩ or higher
      B23-3 (IGT3) or B29-107 (IGT3) - Body ground Always 10 kΩ or higher
      B24-3 (IGT4) or B29-106 (IGT4) - Body ground Always 10 kΩ or higher
    4. Reconnect the ECM connector.
    5. Reconnect the ignition coil assembly connectors.

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

    OK: Go to next step 

  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P0351, P0352, P0353 OR P0354) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear DTCs. Refer to DTC CHECK / CLEAR .
    5. Shuffle arrangement of the ignition coils with igniters (among No. 1 to No. 4 cylinders).
      NOTE:

      Do not shuffle the connectors.

    6. Perform a simulation test.
    7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    8. Read the DTCs.

      Result

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

    B → See step   5 

    A → See step   6 

  5. REPLACE IGNITION COIL ASSEMBLY. Refer to  REMOVAL 
  6. REPLACE ECM. Refer to  REMOVAL 
  7. CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - INTEGRATION RELAY) 
    1. Disconnect the ignition coil assembly connectors.
    2. Remove the integration relay from the engine room relay block.
    3. Disconnect the integration relay connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      B21-1 (+B) - 1A-4 Always Below 1 Ω
      B22-1 (+B) - 1A-4 Always Below 1 Ω
      B23-1 (+B) - 1A-4 Always Below 1 Ω
      B24-1 (+B) - 1A-4 Always Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      B21-1 (+B) or 1A-4 - Body ground Always 10 kΩ or higher
      B22-1 (+B) or 1A-4 - Body ground Always 10 kΩ or higher
      B23-1 (+B) or 1A-4 - Body ground Always 10 kΩ or higher
      B24-1 (+B) or 1A-4 - Body ground Always 10 kΩ or higher
    5. Reconnect the integration relay connector.
    6. Reinstall the integration relay.
    7. Reconnect the ignition coil assembly connectors.

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

    OK → See step   8 

  8. CHECK ECM POWER SOURCE CIRCUIT. Refer to  ECM Power Source Circuit 
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