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:
P0441 EVAP Control system
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0441 is displayed with other DTC such as P2122, P2123, P2127,
P2128 or P2138, first perform
trouble diagnosis for other DTC.
In this evaporative emission (EVAP) control system, purge flow occurs during
non-closed throttle conditions.
Purge volu ...
U0155 Lost communication (IPC)
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
[Trouble diagnosis content]
DTC detection condition
Possible causes
U0155
LOST COMM (IPC)
[Lost Communication With Instrument
Panel Cluster (IPC)
Control Module]
When the ignition switch is ON, TCM is ...
Front wiper motor ground circuit
Diagnosis procedure
Regarding Wiring Diagram information, refer to WW-24, "Wiring Diagram - With
Intelligent Key" or WW-29,
"Wiring Diagram - Without Intelligent Key".
1.Check front wiper motor (gnd) open circuit
Turn the ignition switch OFF.
Disconnect front wiper mot ...
