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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Intelligent Cruise Control System (ICC) (Exc Hybrid) >> Symptom Diagnosis >> ICC System Does Not Cancel When A/T Selector Lever Sets On "N" >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK D RANGE SWITCH

    Check if "D RANGE SW" operates normally in "DATA MONITOR" of "ICC/ADAS" with CONSULT.

    Is the inspection result normal?

    YES 

    GO TO STEP 6. 

    NO 

    GO TO STEP 2. 

  2. PERFORM ALL SELF-DIAGNOSIS ITEMS

    1. Perform "All DTC Reading".
    2. Check if the "U1000" is detected in "self-diagnosis results" of "ICC/ADAS".

    Is "U1000" detected?

    YES 

    GO TO STEP 3. 

    NO 

    GO TO STEP 4. 

  3. CAN COMMUNICATIONS INSPECTION

    Check the CAN communication and repair or replace malfunctioning parts. Refer to DTC LOGIC .

    INSPECTION END

  4. CHECK POSITION SWITCH

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

    Is the inspection result normal?

    YES 

    GO TO STEP 6. 

    NO 

    GO TO STEP 5. 

  5. PERFORM TCM SELF-DIAGNOSIS

    1. Perform the "Self Diagnostic Result" of "TRANSMISSION".
    2. Repair or replace malfunctioning parts. Refer to DTC INDEX .

    GO TO STEP 7. 

  6. REPLACE ADAS CONTROL UNIT

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

    GO TO STEP 7. 

  7. CHECK ICC SYSTEM

    1. Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Refer to DESCRIPTION  for action test.)
    2. Check that the ICC system is normal.

    INSPECTION END