Nissan Sentra Service Manual: S connector circuit
Description
The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P (Park) or N (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models).
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR-10, "Wiring Diagram" (with Intellignet Key system) or STR-15, "Wiring Diagram" (without Intelligent Key system).
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following procedure.
- Remove fuel pump fuse.
- Crank or start the engine (where possible) until the fuel pressure is released.
1.CHECK “S” CONNECTOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect starter motor connector.
- Shift selector lever to “P” (Park) or “N” (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models).
- Check voltage between starter motor harness connector F28 and ground.
Is the inspection result normal? YES >> “S” circuit is OK. Further inspection is necessary. Refer to STR-20, "Work Flow (With GR8-1200 NI)" or STR-24, "Work Flow (Without GR8-1200 NI)".
NO >> GO TO 2.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect IPDM E/R connector.
- Check continuity between starter motor harness connector F28 and the IPDM E/R harness connector E44.
Is the inspection result normal? YES >> Further inspection is necessary. Refer to STR-20, "Work Flow (With GR8-1200 NI)" or STR-24, "Work Flow (Without GR8-1200 NI)".
NO >> Repair or replace the harness or connectors.
B terminal circuit
Description
Terminal “B” is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR-10, "Wiring Diagram" (with
Intellig ...
Symptom diagnosis
Starting system
Symptom table
Symptom
Reference
No normal cranking
Refer to STR-20, "Work Flow (With GR8-1200 NI)" or
STR-24, "Work Flow (Without GR8-1200 NI ...
Other materials:
SPORT mode switch
Adjusts the throttle sensitivity and transmission
points (CVT only) to enhance performance. Press
the SPORT button on the instrument panel to
activate. The SPORT mode indicator light (on the
speedometer) will illuminate. The SPORT mode
indicator light will remain lit while the mode is
acti ...
ECU diagnosis information
TCM
Reference Value
CONSULT DATA MONITOR STANDARD VALUE
NOTE:
The following table includes information (items) inapplicable to this
vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
In CONSULT, electric shift timing or lock-up timing, i.e. op ...
When reading the manual
This manual includes information for all features
and equipment available on this model. Features
and equipment in your vehicle may vary depending
on model, trim level, options selected, order,
date of production, region or availability. Therefore,
you may find information about features or
eq ...
