Keyless Entry Transmitter: Testing and Inspection

2012 Infiniti M56 V8-5.6L (VK56VD)SECTION Testing and Inspection



INTELLIGENT KEY LOW BATTERY WARNING DOES NOT OPERATE

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" using CONSULT.
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" setting in "WORK SUPPORT".

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 INFORMATION DISPLAY

Check information display.
Information Display.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace the malfunctioning parts.

6. 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.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.