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:
U1010 Control unit (CAN)
Description
Air bag diagnosis sensor performs self-tests on key ON. If CAN communication
failure within control unit is
detected, DTC is set.
DTC Logic
DTC DETECTION LOGIC
CONSULT name
DTC
DTC detecting condition
Repair order
CAN CONTROL UNIT FAILURE
U1010
CAN ...
P0139 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen
storage capacity of the three way catalyst 1 causes the longer
switching time. To judge the malfunctions of heated oxygen sensor
2, ...
Handling precautions for plastics
Precautions for plastics
When repairing and painting a portion of the body adjacent to plastic
parts, consider their characteristics
(influence of heat and solvent) and remove them if necessary or take
suitable measures to protect them.
Plastic parts should be repaired and painted ...
