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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 123 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P3150: Engine Start System >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.

  1. CHECK FUEL LEVEL

    Check that the fuel level is enough.

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Refuel.

  2. CHECK DTC WITH ECM

    Perform self-diagnosis of ECM. Refer to CONSULT FUNCTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Perform diagnosis procedure corresponding to DTC indicated. Refer to DTC INDEX .

  3. CHECK ENGINE CONTROL SYSTEM

    According to the symptom table of ENGINE CONTROL SYSTEM, check the root cause. Refer to "HARD/NO START/RESTART" in SYMPTOM TABLE .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace error-detected parts.

  4. CHECK CLUTCH 1 DISC

    Check clutch 1 disc thickness. Refer to INSPECTION .

    Is the inspection result normal?

    YES 

    Perform INTERMITTENT INCIDENT .

    NO 

    Replace clutch and clutch cover. Refer to REMOVAL AND INSTALLATION .