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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> Engine (ECM) >> DTC P1424: Cold Start Control >> Confirmation Procedure
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Confirmation Procedure

  1. PRECONDITIONING 
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    >>

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE SYMBOL
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Select "DATA MONITOR" mode With CONSULT:
    4. Check that "COOLAN TEMP/S".
      • If it is between 5°C (41°F) and 40°C (104°F) go to the following steps.
      • If it is below 5°C (41°F) warm engine up to more than 5°C (41°F) and retry from step 1.
      • If it is above 40°C (104°F) cool engine down to less than 40°C (104°F) and retry from step 1.
    5. Start engine and let it idle for 5 minutes.
    6. Check 1st trip DTC.

    SYMBOL With GST:

    Follow the procedure "With CONSULT: " above.

    Is 1st trip DTC detected?

    YES>>

    Refer to DTC Diagnosis Procedure .

    NO>>

    INSPECTION END