Nissan Versa (N17): 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.
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 BCS "INTELLIGENT KEY : CONSULT Function (BCM - 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.

Refer to DLK "Component Function Check".

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: Refer to DLK "DTC Logic".
• Console: Refer to DLK "DTC Logic".
• Trunk room: Refer to DLK "DTC Logic".

Is the inspection result normal?

YES >> GO TO 6.

NO >> Repair or replace the malfunctioning parts.

6.CHECK KEY WARNING LAMP

Check key warning lamp.

Refer to DLK "Component Function Check".

Is the inspection result normal?

YES >> GO TO 7.

NO >> Repair or replace the malfunctioning parts.

7.REPLACE BCM

1.  Replace BCM. Refer to BCS "Removal and Installation".
2.  Confirm the operation after replacement.

Is the result normal?

YES >> Inspection End.

NO >> Check intermittent incident. Refer to GI "Intermittent Incident".