Nissan Sentra Service Manual: Power supply and ground circuit
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.
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.
Battery saver output/power supply circuit
Description
Provides the battery saver output/power supply. Also cuts the power supply
when the interior lamp battery
saver is activated.
Component function check
1.Check battery saver output/po ...
Other materials:
Starter motor drive control
STARTER MOTOR DRIVE CONTROL : System Description
SYSTEN DIAGRAM
*1: CVT models
*2: M/T models
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed
Piston position
Starter ...
Trouble diagnosis - specification
value
Description
The specification (SP) value indicates the tolerance of the value that is
displayed in “SPEC” of “DATA MONITOR”
mode of CONSULT during normal operation of the Engine Control System. When the
value in “SPEC” of
“DATA MONITOR” mode is within t ...
Front fog lamp
Removal and Installation
FOG LAMP
Removal
Position the fender protector aside. Refer to EXT-28, "FENDER PROTECTOR
: Removal and Installation
- Front Fender Protector".
Disconnect the harness connector from the front fog lamp.
Remove the screws and the front fog lamp.
Inst ...