Nissan Sentra Service Manual: Power supply and ground circuit
Combination meter
COMBINATION METER : Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".
1.Check fuses
Check that the following fuses are not blown.
Is the fuse blown? Yes >> replace the blown fuse after repairing the affected circuit.
No >> go to 2.
2.Power supply circuit check
Check voltage between combination meter harness connector m24 terminals 15, 27, 28 and ground
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.Check ground circuit
Check continuity between combination meter harness connector m24 terminals 21, 22, 23 and ground.
Is the inspection result normal? Yes >> inspection end.
No >> repair or replace harness or connector.
Bcm (body control system) (with intelligent key system)
Bcm (body control system) (with intelligent key system) : diagnosis procedure
Regarding wiring diagram information, refer to bcs-51, "wiring diagram".
1.Check fuses and fusible link
Check that the following fuses and fusible link are not blown.
Is the fuse blown? Yes >> replace the blown fuse or fusible link after repairing the affected circuit.
No >> go to 2.
2.Check power supply circuit
- Disconnect bcm connector m85.
- Check voltage between BCM connector M85 and ground.
Is the inspection result normal? Yes >> go to 3.
No >> repair harness or connector.
3.Check ground circuit
Check continuity between bcm connector m85 and ground.
Is the inspection result normal? Yes >> inspection end.
No >> repair harness or connector.
Bcm (body control system) (without intelligent key system)
Bcm (body control system) (without intelligent key system) : diagnosis procedure
Regarding Wiring Diagram information, refer to BCS-111, "Wiring Diagram".
1.Check fuses and fusible link
Check that the following fuses and fusible link are not blown.
Is the fuse blown? Yes >> replace the blown fuse or fusible link after repairing the affected circuit.
No >> go to 2.
2.Check power supply circuit
- Turn ignition switch off.
- Disconnect bcm connectors.
- Check voltage between bcm connector and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair harness or connector.
3.Check ground circuit
Check continuity between BCM connector and ground.
Is the inspection result normal? Yes >> inspection end.
No >> repair harness or connector.
B2268 water temp
Description
The engine coolant temperature signal is transmitted from ecm to the
combination meter via can communication.
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condit ...
Steering switch (meter control switch) signal circuit
Diagnosis Procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check combination meter input signal
Turn ignition switch on.
Measure voltage between ...
Other materials:
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 injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Battery current sensor
Exploded view
Battery current sensor
Current sensor harness connector
Removal and installation
Removal
Loosen the battery terminal nut and disconnect battery negative
terminal. Refer to PG-50, "Exploded
View".
Disconnect the harness connector from current sensor.
...
Manual operation
Fan speed control
Press the fan control buttons to
manually
control the fan speed.
Press the AUTO button to return to automatic
control of the fan speed.
Air recirculation
Press the air recirculation
button to recirculate
interior air inside the vehicle. The
indicator light on the b ...