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:
Precaution
Precaution for supplemental restraint system (SRS) "air bag" and "seat
belt pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
Starting system (without intelligent key)
Wiring Diagram
...
How to use this manual
Description
This volume explains “Removal, Disassembly, Installation, Inspection and
Adjustment” and “Trouble Diagnoses”.
Terms
The captions WARNING and CAUTION warn you of steps that must be followed
to prevent personal injury
and/or damage to some part of the vehi ...
