Nissan Sentra Service Manual: Power supply and ground circuit
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.
Combination meter buzzer
Component function check
1.Check function
- Select intelligent key of bcm using consult.
- Select inside buzzer in active test mode.
- Touch Key, Knob or Take Out to check that it works normally.
Is the inspection result normal? Yes >> Combination meter buzzer is OK.
No >> Refer to DLK-91, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK METER BUZZER CIRCUIT
Refer to WCS-28, "Component Function Check".
Is the inspection result normal? Yes >> GO TO 2.
No >> Repair or replace harness.
2.CHECK INTERMITTENT INCIDENT
Refer to GI-39, "Intermittent Incident".
>> Inspection End.
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
Refer to lan-7, "can communication system : system description".
Dtc logic
Dtc detection logic
Note:
U1000 can be set if a module harness was disconn ...
Door lock actuator
Driver side
Driver side : component function check
1.CHECK FUNCTION
Select DOOR LOCK of BCM using CONSULT.
Select DOOR LOCK in ACTIVE TEST mode.
Touch ALL LOCK or ALL UNLK to check that it w ...
Other materials:
P0603 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0603
ECM BACK UP CIRCUIT
[Internal control module keep
alive memory (KAM) error]
Malfunction in the internal back up RAM o ...
Precautions on child restraints
WARNING
Failure to follow the warnings and instructions
for proper use and installation
of child restraints could result in
serious injury or death of a child or
other passengers in a sudden stop or
collision:
The child restraint must be used and
...
Precaution for Brake System
WARNING:
Clean any dust from the front brake and rear brake with a vacuum
dust collector. Do not blow with
compressed air.
Brake fluid: Refer to MA-11, "Fluids and Lubricants".
Do not reuse drained brake fluid.
Do not spill or splash brake fluid on painted surfaces. Brake fluid ...
