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Home >> Infiniti >> 2015 >> QX80 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door & Lock (Diagnostic Trouble Codes (DTCS), Symptom Tests And R & I) >> Symptom Diagnosis >> Intelligent Key Low Battery Warning Does Not Operate >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

  1. CHECK DTC WITH BCM

    Check that DTC is not detected with BCM

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Perform trouble diagnosis relevant to DTC indicated.

  2. CHECK DTC WITH COMBINATION METER

    Check that DTC is not detected with combination meter

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Perform trouble diagnosis relevant to DTC indicated.

  3. CHECK "LO- BATT OF KEY FOB WARN" SETTING IN "WORK SUPPORT"

    1. Select "INTELLIGENT KEY" of "BCM".
    2. Select "LO- BATT OF KEY FOB WARN" in "WORK SUPPORT" mode.
    3. Check "LO- BATT OF KEY FOB WARN" setting in "WORK SUPPORT".

      Refer to CONSULT FUNCTION (BCM - INTELLIGENT KEY) .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Set "ON" in "LO- BATT OF KEY FOB WARN".

  4. CHECK INTELLIGENT KEY BATTERY

    Check Intelligent Key battery.

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 5. 

    NO 

    Repair or replace the malfunctioning parts.

  5. CHECK INSIDE KEY ANTENNA

    Check inside key antenna.

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    Repair or replace the malfunctioning parts.

  6. CHECK INFORMATION DISPLAY

    Check information display.

    Refer to COMPONENTFUNCTIONCHECK .

    Is the inspection result normal?

    YES 

    GO TO STEP 7  .

    NO 

    Repair or replace the malfunctioning parts.

  7. REPLACE BCM

    Is the result normal?

    YES 

    INSPECTION END

    NO 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .