Nissan Sentra Service Manual: Component parts
STARTING SYSTEM (WITH INTELLIGENT KEY)
Component Parts Location
- Starter motor
- Transmission range switch (CVT Models)
- IPDM E/R (view with air inlet duct removed)
- Clutch interlock switch (M/T Models)
- ECM
- BCM (view under instrument panel, left side of vehicle)
Component Description
| Component part | Description |
| Starter motor | The starter motor plunger closes and the motor is supplied with battery power, which in turn cranks the engine, when the S terminal is supplied with electric power. |
| Transmission range switch (CVT Models) | Transmission range switch supplies power to the starter relay and starter control relay inside the IPDM E/R when the shift selector is placed in the P or N position. |
| IPDM E/R | CPU inside IPDM E/R operates the starter relay when the ignition switch is in the start position. |
| Clutch interlock switch (M/T Models) | Clutch interlock switch supplies power to the coil side of the starter when the clutch pedal is depressed to crank the engine. |
| ECM | ECM controls the starter control relay inside the IPDM E/R. |
| BCM | BCM controls the starter relay inside IPDM E/R. |
System
STARTING SYSTEM (WITH INTELLIGENT KEY)
Component Parts Location
Starter motor
Transmission range switch (CVT Models)
IPDM E/R (view with air inlet duct
removed)
Clutch interlock switc ...
Other materials:
Abs branch line circuit
Diagnosis procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
...
B terminal circuit
Description
“B” terminal circuit supplies power to charge the battery and to operate the
vehicles electrical system.
Diagnosis procedure
Regarding wiring diagram information. Refer to chg-9, "wiring diagram".
1.Check “b” terminal connection
Turn ignition switc ...
Horn
To sound the horn, push near the horn icon on the
steering wheel.
WARNINGDo not disassemble the horn. Doing so
could affect proper operation of the
supplemental front air bag system. Tampering
with the supplemental front air bag
system may result in serious personal
injury. ...
