Nissan Sentra Service Manual: The door open warning continues displaying, or does not display
Description
- The door ajar warning is displayed even though all of the doors are closed.
- The door ajar warning is not displayed even though a door is ajar.
Diagnosis procedure
1.Check bcm input signal
Check the bcm input signal. Refer to dlk-102, "component function check" (with intelligent key) or dlk- 253, "component function check" (without intelligent key).
Is the inspection result normal? Yes >> go to 2.
No >> go to 3.
2.Check combination meter input signal
Select the METER/M&A Data Monitor and check the DOOR W/L monitor value while opening and closing doors.
Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-77, "Removal and Installation".
NO >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key) or BCS-126, "Removal and Installation" (without Intelligent Key).
3.Check door switch signal circuit
Check the door switch signal circuit. Refer to dlk-102, "diagnosis procedure" (with intelligent key) or dlk- 253, "diagnosis procedure" (without intelligent key).
Is the inspection result normal? Yes >> go to 4.
No >> repair or replace harness or connector.
4.Check door switch
Perform a unit check for the door switch. Refer to DLK-103, "Component Inspection" (with Intelligent Key) or DLK-255, "Component Inspection" (without Intelligent Key).
Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-77, "Removal and Installation".
NO >> Replace applicable door switch. Refer to DLK-194, "Removal and Installation" (with Intelligent Key) or DLK-341, "Removal and Installation" (without Intelligent Key).
The oil pressure warning lamp does not turn off
Description
The oil pressure warning lamp remains illuminated while the engine is running
(normal oil pressure).
Diagnosis procedure
1.Check combination meter input signal
Start the engine a ...
The parking brake release warning continues displaying, or does not display
Description
The parking brake warning is displayed while driving the vehicle even
though the parking brake is released.
The parking brake warning is not displayed while driving the vehicle
...
Other materials:
Slip indicator lamp
Component Function Check
1.CHECK SLIP INDICATOR LAMP FUNCTION
Check that slip indicator lamp in combination meter turns ON for
approximately 2 seconds after ignition switch
is turned ON.
Is the inspection result normal?
YES >> Inspection End.
NO >> Proceed to diagnosis proce ...
Dtc/circuit diagnosis
U1000 can comm circuit
Description
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Dtc logic
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
CAN COMM CIRCUIT
[U1000]
When IPDM E/R cannot communicate with CAN com ...
Idle air volume learning
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps each engine idle speed
within the specific range. It must be performed under any of the following
conditions:
Each time electric throttle control actuator or ECM is replaced.
Idle speed or i ...
