Nissan Sentra Service Manual: Symptom diagnosis
Push-button ignition switch does not operate
Description
Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check each symptom.
Note:
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” in “work support” is on when setting on consult.
- 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” on work support of “intelligent key”.
Refer to pcs-66, "intelligent key : consult function (bcm - intelligent key)".
>> Go to 2.
2.Perform self-diagnosis result
Perform self-diagnosis result of “bcm”.
Is dtc detected? Yes >> refer to bcs-49, "dtc index".
No >> go to 3.
3.Check push-button ignition switch
Check push-button ignition switch.
Refer to pcs-98, "component function check".
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.
Dtc/circuit diagnosis
U1000 can comm circuit
Description
Refer to lan-7, "can communication system : system description".
DTC Logic
Dtc detection logic
Note:
U1000 can be set if a module harness was discon ...
Removal and installation
Push-button ignition switch
Removal and installation
Removal
Remove the nats antenna amp. Refer to sec-135, "removal and
installation"
Remove the push-button ignition switch.
I ...
Other materials:
Basic inspection
Diagnosis and repair workflow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred).
>> GO TO 2
2.CONFIRM THE SYMPTOM
Try to ...
P0197, P0198 EOTSensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0197
EOT SEN/CIRC
(Engine oil temperature
sensor circuit low)
An excessively low voltage from the engine
oil temperature sensor ...
Operating tips
When the engine coolant temperature and
outside air temperature are low, the air flow
from the foot outlets may not operate for a
maximum of 150 seconds. However, this is
not a malfunction. After the coolant temperature
warms up, air flow from the foot outlets
will operate normally.
...
