Nissan Sentra manuals

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)

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:

ECU diagnosis information
EPS control unit Reference Value VALUES ON THE DIAGNOSIS TOOL The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. CAUTION: The output signal indicates the EPS control unit calcula ...

Washer fluid level switch circuit
Description Transmits the washer level switch signal to the combination meter. Diagnosis procedure Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram". 1.Check washer level switch signal circuit Turn ignition switch off. Disconnect combination meter connecto ...

Throttle valve closed position learning
Description Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle valve by monitoring the throttle position sensor output signal. It must be performed each time the harness connector of the electric throttle control actuator or ECM is ...

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