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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Cruise Control System) >> Symptom Diagnosis >> Main Switch Does Not Turn On, Main Switch Does Not Turn Off >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

MAIN switch does not turn ON

MAIN switch does not turn OFF

NOTE: When ICC system warning lamp illuminates, perform the self-diagnosis of ICC system, and then repair or replace the malfunctioning parts.
  1. MAIN SWITCH INSPECTION 

    SYMBOL CONSULT

    1. Start the engine.
    2. Check that "MAIN SW" and "CRUISE LAMP" operate normally in "Data Monitor" mode of "ICC/ADAS".

    Is the inspection result normal?

    YES

    GO TO 2

    NO

    GO TO 4

  2. CHECK COMBINATION METER 

    SYMBOL CONSULT

    Check that "CRUISE IND" operates normally in "Data Monitor" mode of "METER/M&A".

    Is the inspection result normal?

    YES

    GO TO 3

    NO

    GO TO 4

  3. PERFORM SELF DIAGNOSTIC RESULT OF COMBINATION METER 

    SYMBOL CONSULT

    1. Select "Self Diagnostic Result" mode of "METER/M&A".
    2. Check if DTC is detected. Refer to DTC Index .

    Is any DTC detected?

    YES

    Repair or replace malfunctioning parts.

    NO

    GO TO 4

  4. PERFORM SELF DIAGNOSTIC RESULT OF ICC SYSTEM 

    SYMBOL CONSULT

    1. Select "Self Diagnostic Result" mode of "ICC/ADAS".
    2. Check if DTC "U1000" is detected in.

    Is "U1000" detected?

    YES

    GO TO 5

    NO

    GO TO 6

  5. CAN COMMUNICATION INSPECTION 

    Check the CAN communication and repair or replace malfunctioning parts. Refer to System Description .

    Inspection End.

  6. CHECK ICC STEERING SWITCH 

    Check the ICC steering switch. Refer to Component Inspection .

    Inspection End.