LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 7) >> Engine (ECM) >> P1334 TC System >> Confirmation Procedure

Confirmation Procedure

  1. CHECK DTC PRIORITY 

    If DTC P1334 is displayed with DTC P0241 or P0242, first perform the trouble diagnosis for DTC P0241 or P0242.

    Is applicable DTC detected?

    YES>>

    Perform diagnosis of applicable. Refer to DTC Description .

    NO>>

    GO TO 2.

  2. PERFORM COMPONENT FUNCTION CHECK 
    NOTE: Use component function check to check the overall function of turbocharger system circuit.
    1. Turn ignition switch ON and engine stopped.
    2. On the CONSULT screen, select "ENGINE">>"ACTIVE TEST">>"WASTEGATE ACTUATOR".
    3. Operate "Up" or "Down", set "W/G ACTUATOR POSITION B2" to 0.002 m, and make a quick short note of value "V1" of "W/G ACTUATOR POSI SEN B2".
    4. Operate "Up" or "Down", set "W/G ACTUATOR POSITION B2" to 0.006 m, and make a quick short note of value "V2" of "W/G ACTUATOR POSI SEN B2".

    Do the values of "V1" and "V2" change (visually, ACTUATOR SHAFT operates) and "V2" minus "V1" becomes equal to or more than 1.3 V?

    YES-1>>

    To check malfunction symptom before repair: Refer to Inspection .

    YES-2>>

    Confirmation after repair: INSPECTION END

    NO>>

    Refer to DTC Diagnosis Procedure .