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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC C1A24: NP Range >> ADAS Control Unit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK DTC PRIORITY

    If DTC "C1A24" is displayed with DTC "U1000", first diagnose the DTC "U1000".

    Is applicable DTC detected?

    YES 

    Perform diagnosis of applicable. Refer to DTC DESCRIPTION .

    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 DIAGNOSIS PROCEDURE .

  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 .

    NO 

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