Nissan Sentra Service Manual: Symptom diagnosis
Engine does not start when intelligent key is inside of vehicle
Description
Engine does not start when push-button ignition switch is pressed while carrying intelligent key.
Note:
- Check that vehicle is under the condition shown in “conditions of vehicle” before starting diagnosis, and check each symptom.
- The engine start function, door lock function, power distribution system, and nats-ivis/nvis in the intelligent key system are closely related to each other regarding control. The vehicle security function can operate only when the door lock and power distribution system are operating normally.
Conditions of vehicle (operating conditions)
- Engine start by i-key” setting in “work support” mode of “intelligent key” of “bcm” is on.
- One or more of intelligent keys with registered intelligent key id is in the vehicle.
Diagnosis procedure
1.Perform work support
Perform “inside ant diagnosis” in “work support” mode of “intelligent key” of “bcm” using consult.
Refer to bcs-21, "intelligent key : consult function (bcm - intelligent key)".
>> Go to 2.
2.Perform self-diagnosis result
Select “self diagnostic result” mode of “bcm”, and check whether or not dtc of inside key antenna is detected.
Is dtc detected? Yes >> perform the trouble diagnosis for detected dtc. Refer to bcs-49, "dtc index".
No >> go to 3.
3.Check push-button ignition switch
Check push-button ignition switch.
Refer to sec-78, "component inspection".
Is the operation normal? Yes >> go to 4.
No >> repair or replace malfunctioning parts.
4.Confirm the operation
Confirm the operation again.
Is the inspection normal? Yes >> check intermittent incident. Refer to gi-39, "intermittent incident".
No >> go to 1.
Security indicator lamp does not turn on or blink
Description
Security indicator lamp does not blink when power supply position is other than the on position.
Note:
- Before performing the diagnosis, perform “work flow”. Refer to sec-58, "work flow".
- Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check each symptom.
Conditions of Vehicle (Operating Conditions)
Power supply position is other than the on position.
Diagnosis procedure
1.Check security indicator lamp
Check security indicator lamp.
Refer to sec-9, "security indicator lamp".
Is the inspection result normal? Yes >> go to 2.
No >> repair or replace the malfunctioning parts.
2.Confirm the operation
Confirm the operation again.
Is the result normal? Yes >> check intermittent incident. Refer to gi-39, "intermittent incident".
No >> go to 1.
DTC/circuit diagnosis
P1610 LOCK MODE
Description
ECM forcibly switches to the mode that inhibits engine start, when engine
start operation is performed 5 times
or more while communication between ECM and BCM is not n ...
Removal and installation
Nats antenna amp
Removal and installation
Removal
Remove instrument finisher b. Refer to ip-14, "exploded view".
Using a suitable tool release the pawls on either side and remove the ...
Other materials:
P0746 Pressure control solenoid A
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0746
PRESSURE CONTROL SOLENOID
A
(Pressure Control Solenoid A
Performance/Stuck Off)
The detecting condition A or detection conditi ...
Precautions when starting and driving
WARNING
Do not leave children or adults who
would normally require the assistance
of others alone in your vehicle. Pets
should also not be left alone. They
could accidentally injure themselves or
others through inadvertent operation of
the vehicle. Also, on hot, su ...
Washing
Wash dirt off with a wet sponge and plenty of
water. Clean the vehicle thoroughly using a mild
soap, a special vehicle soap or general purpose
dishwashing liquid mixed with clean, lukewarm
(never hot) water.
CAUTION
Do not use car washes that use acid in
the detergent. Some car washes, es ...
