Nissan Sentra Service Manual: 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 Intelligent Key system) or STR-15, "Wiring Diagram" (without Intelligent Key system).
CAUTION:
Perform diagnosis under the condition that the 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 “B” TERMINAL CIRCUIT
- Turn ignition switch OFF
- Check that starter motor B” terminal connection is clean and tight.
- Check voltage between starter motor connector F27 and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Check harness between battery and starter motor for open circuit.
2.CHECK BATTERY CABLE CONNECTION STATUS (VOLTAGE DROP TEST)
- Shift selector lever to P (Park) or N (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models).
- Check voltage between battery positive terminal and starter motor B terminal.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check harness between the battery and starter motor for continuity.
3.CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)
- Shift selector lever to P (Pack) or N (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models).
- Check voltage between starter motor case and battery negative terminal.
Is the inspection result normal? YES >> “B” terminal 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 >> Check the starter motor case to engine mounting for high resistance.
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 (C ...
Other materials:
iPod®* player operation with Navigation System (if so equipped)
Connecting iPod®
WARNINGDo not connect, disconnect or operate the
USB device while driving. Doing so can be
a distraction. If distracted you could lose
control of your vehicle and cause an accident
or serious injury.
CAUTION
Do not force the USB device into the
U ...
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 inju ...
Ground
Ground distribution
Main harness
Engine room harness
Engine control harness
Body harness
...
