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Home >> Infiniti >> 2012 >> QX56 AWD V8-5.6L (VK56VD) >> Repair and Diagnosis >> Body and Frame >> Locks >> Keyless Entry >> Keyless Entry Transmitter >> Testing and Inspection
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Keyless Entry Transmitter: Testing and Inspection




INTELLIGENT KEY LOW BATTERY WARNING DOES NOT OPERATE

Description

Intelligent Key low battery warning does not operate for vehicle with information display models.
NOTE:
Warning functions operating condition is extremely complicated, during operating confirmations, reconfirm the list above twice in order to ensure proper operation. Warning Function.


Diagnosis Procedure


1. CHECK DTC WITH BCM

Check that DTC is not detected with BCM
Is the inspection result normal?
YES- GO TO 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 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".
Intelligent Key.
Is the inspection result normal?
YES- GO TO 4.
NO- Set "ON" in "LO- BATT OF KEY FOB WARN".

4. CHECK INTELLIGENT KEY

Check Intelligent Key.
Intelligent Key.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace the malfunctioning parts.

5. CHECK INSIDE KEY ANTENNA

Check inside key antenna.
- Instrument center: B2621.
- Console: B2622.
- Luggage room: B2623.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace the malfunctioning parts.

6. CHECK INFORMATION DISPLAY

Check information display.
Information Display.
Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace the malfunctioning parts.

7. REPLACE BCM

- Replace BCM. Service and Repair.
- Confirm the operation after replacement.
Is the result normal?
YES- INSPECTION END
NO- Check intermittent incident. Intermittent Incident.
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