Nissan Murano: Door & Lock :: Symptom Diagnosis / Door Does Not Lock/unlock with Intelligent Key
Diagnosis Procedure
All doors do not lock/unlock using Intelligent Key button.
NOTE:
Before starting diagnosis check that vehicle condition is as shown in “Conditions of Nissan Murano vehicle”, and check each symptom.
SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)
| Door lock operation (remote keyless entry) | Door lock operation (request switch) or back door open operation (opener switch of back door panel) | Engine started with ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna) | Engine started with ignition switch operation (registered Intelligent Key placed next to ignition switch) |
| NG |
OK |
OK |
OK |
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
Registered Intelligent Key is within the detection area of remote keyless entry receiver.
DIAGNOSIS PROCEDURE
Refer to Diagnosis Procedure.
CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE
Check Intelligent Key system symptom table.
Refer to Diagnosis Procedure.
>>
GO TO 2.
CHECK INTELLIGENT KEY OUTPUT SIGNAL
Use SIGNAL TECH II to check Intelligent Key output signal. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.
Is the inspection result normal?
YES>>
Replace BCM. Refer to Removal and Installation.
NO>>
Replace Intelligent Key.
Diagnosis Procedure
Intelligent Key system all functions cannot operate (door lock and engine start).SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS) Door lock operation (remote keyless entry) Door lock operation (request switch) or back door open operation (opener switch of back door panel) Engine started with ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna) Engine started with ignition switch operation (registered Intelligent Key placed next to ignition switch)
NG
NG
No start
No start
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)“ENGINE START BY I-KEY” setting in “Work support” mode of “BCM(INTELLIGENT KEY)” is ON...
Diagnosis Procedure
All doors do not lock/unlock using door request switch or back door does not open using back door opener request switch or Intelligent Key button...
Other information:
Component Function Check
CHECK FUNCTION
CONSULT
Select “DOOR SW-BK” in “Data Monitor” mode of “BCM(DOOR LOCK)”.
Check that the function operates normally according to the following conditions:
Monitor Item Condition Status
DOOR SW-BK
Back door
Open
On
Closed
Off
Is the inspection result normal?
YES>>
Door switch is OK...
DTC Description
DTC DETECTION LOGICMalfunction related to wheel sensor has been detected by ABS actuator and electric unit (control unit). DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
C1203
ABS SYSTEM
(ABS system)
Diagnosis condition
Engine running and Nissan Murano vehicle running
Signal
Nissan Murano Vehicle speed signal
Threshold
—
Diagnosis delay time
—
POSSIBLE CAUSEABS malfunction
Vehicle speed signal error
FAIL-SAFEFront-wheel drive or shifts to 4-wheel drive (rear-wheels still have some driving torque)...