Diagnosis Procedure
1.CHECK ANTI KEY LOCK IN FUNCTI SETTING IN WORK SUPPORT
Refer to BCS "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Set On in ANTI KEY LOCK IN FUNCTI.
2.CHECK DOOR SWITCH
Check door switch.
Refer to DLK "Component Function Check".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK INSIDE KEY ANTENNA
Check inside key antenna.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK UNLOCK SENSOR
Check unlock sensor.
Refer to DLK "Component Function Check".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.REPLACE BCM
Is the result normal?
YES >> Inspection End.
NO >> Check intermittent incident. Refer to GI "Intermittent Incident".
Hazard and buzzer reminder does
not operateDiagnosis Procedure 1.CHECK HAZARD ANSWER BACK SETTING IN WORK SUPPORT Select INTELLIGENT KEY of BCM using CONSULT. Select HAZARD ANSWER BACK in WORK SUPPORT mode. Check the HAZARD ANSWER BAC ...

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 ind ...
Keys
Type A (if so equipped)
1. Master key
2. Valet key
3. Key number plate
A key number plate is supplied with your keys.
Record the key number and keep it in a safe place
(such as your wallet), not in the vehicle. If you lose
your keys, it is recommended that you visit a
NISSAN dealer for ...
U0140 Lost communication (BCM)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0140
Lost Communication With Body
Control Module
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from BCM continuously ...