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Home >> Toyota >> 2014 >> Highlander LE Plus, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (SFI System [1AR-FE] - Diagnostic Codes - (Except Hybrid) (2 Of 8)) >> 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 [11/2016 - ] >> 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 [11/2016 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. READ OUTPUT DTCS (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 the DTCs.

      Refer to DTC CHECK / CLEAR [11/2016 - ]

      Powertrain > Engine and ECT > Clear DTCs 

    5. Turn the ignition switch off and wait for at least 30 seconds.
    6. Shuffle the arrangement of the ignition coil assemblies (among No. 1 to No. 4 cylinders).
      NOTE:

      Do not change the location of the connectors.

    7. Turn the ignition switch to ON.
    8. Turn the Techstream on.
    9. Perform a simulation test.
    10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    11. Read the DTCs.

      Powertrain > Engine and ECT > 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 [12/2013 - ]

    Result:  2

    B 

    REPLACE IGNITION COIL ASSEMBLY. Refer to  REMOVAL [12/2013 - ] 

    Result:  1

    A 

    See step  2

  2. CHECK TERMINAL VOLTAGE (POWER SOURCE OF IGNITION COIL ASSEMBLY) 
    GTY433754Courtesy 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 ignition switch to ON.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      C42-1 (+B) - C42-4 (GND) Ignition switch ON 11 to 14 V
      C44-1 (+B) - C44-4 (GND) Ignition switch ON 11 to 14 V
      C45-1 (+B) - C45-4 (GND) Ignition switch ON 11 to 14 V
      C47-1 (+B) - C47-4 (GND) Ignition switch ON 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    See step  5

    Result:  1

    OK 

    See step  3

  3. 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
      C42-2 (IGF) - C1-51 (IGF1) Always Below 1 Ω
      C44-2 (IGF) - C1-51 (IGF1) Always Below 1 Ω
      C45-2 (IGF) - C1-51 (IGF1) Always Below 1 Ω
      C47-2 (IGF) - C1-51 (IGF1) Always Below 1 Ω
      C42-3 (IGT1) - C1-57 (IGT1) Always Below 1 Ω
      C44-3 (IGT2) - C1-56 (IGT2) Always Below 1 Ω
      C45-3 (IGT3) - C1-55 (IGT3) Always Below 1 Ω
      C47-3 (IGT4) - C1-54 (IGT4) Always Below 1 Ω
      C42-3 (IGT1) or C1-57 (IGT1) - Body ground Always 10 kΩ or higher
      C44-3 (IGT2) or C1-56 (IGT2) - Body ground Always 10 kΩ or higher
      C45-3 (IGT3) or C1-55 (IGT3) - Body ground Always 10 kΩ or higher
      C47-3 (IGT4) or C1-54 (IGT4) - Body ground Always 10 kΩ or higher
      C42-2 (IGF), C44-2 (IGF), C45-2 (IGF), C47-2 (IGF) or C1-51 (IGF1) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    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
      C42-4 (GND) - Body ground Always Below 1 Ω
      C44-4 (GND) - Body ground Always Below 1 Ω
      C45-4 (GND) - Body ground Always Below 1 Ω
      C47-4 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE ECM. Refer to  REMOVAL [12/2013 - ] 

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      C42-1 (+B) - 1G-3 Always Below 1 Ω
      C44-1 (+B) - 1G-3 Always Below 1 Ω
      C45-1 (+B) - 1G-3 Always Below 1 Ω
      C47-1 (+B) - 1G-3 Always Below 1 Ω
      C42-1 (+B), C44-1 (+B), C45-1 (+B), C47-1 (+B) or 1G-3 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE SEMICONDUCTOR PWR INTEGRATION ECU. Refer to  REMOVAL [12/2013 - ] 

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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