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:
Low tire pressure warning lamp does not turn oFF
Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On
DIAGNOSTIC PROCEDURE
1.INSPECT BCM CONNECTOR
Turn ignition switch OFF.
Disconnect BCM connectors.
Check terminals for damage or loose connections.
Is the inspection result normal?
YES >> GO TO 2.
NO > ...
On board diagnostic (OBD) system
Diagnosis Description
This system is an on board diagnostic system that records exhaust
emission-related diagnostic information
and detects a sensors/actuator-related malfunction. A malfunction is indicated
by the malfunction indicator
lamp (MIL) and stored in ECU memory as a DTC. The diagnos ...
M&A 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 combination meter for damage,
bend and loose connection
(unit side and connector side).
Is the inspection result nor ...
