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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Intelligent Cruise Control System (DTC/Circuit Diagnosis) (ICC) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC C1A24: NP Range >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK SELF-DIAGNOSIS RESULTS

    Check if "U1000" is detected other than "C1A24" in "Self Diagnostic Result" of "ICC/ADAS".

    Is "U1000" detected?

    YES 

    Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to DTC LOGIC .

    NO 

    GO TO STEP 2. 

  2. CHECK TCM DATA MONITOR

    Check that "SLCT LVR POSI" operates normally in "DATA MONITOR" of "TRANSMISSION".

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Perform diagnosis for transmission range switch circuit and repair or replace the malfunctioning parts. Refer to DTC INDEX (RE0F10E) or DTC INDEX (RE0F10J).

  3. PERFORM TCM SELF-DIAGNOSIS

    1. Perform "All DTC Reading".
    2. Check if any DTC is detected in "Self Diagnostic Result" of "TRANSMISSION".

    Is any DTC detected?

    YES 

    Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC INDEX (RE0F10E) or DTC INDEX (RE0F10J).

    NO 

    Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .

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