Nissan Sentra Service Manual: Moonroof does not operate properly
Diagnosis Procedure
1. Check bcm power supply and ground circuit
Check BCM power supply and ground circuit.
Refer to PWC-31, "BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2. Check moonroof motor assembly power supply and ground circuit
Check moonroof motor assembly power supply and ground circuit.
Refer to rf-20, "moonroof motor assembly : component function check".
Is the inspection result normal? Yes >> check intermittent incident. Refer to gi-39, "intermittent incident".
No >> repair or replace malfunctioning parts.
Auto operation does not operate
Diagnosis Procedure
1. Perform initialization procedure
Perform initialization procedure.
Refer to rf-18, "additional service when replacing control unit : special repair
requirement" ...
Other materials:
P1805 Brake switch
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1805
BRAKE SW/CIRCUIT
(Brake switch circuit)
Stop lamp signal is not sent to ECM for extremely
long time while the vehicle is drivi ...
Ecm 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 ecm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
CAN (Controller Area Network) is a serial communication system for real time
application. It is an on-vehicle
multiplex communication system with high data communication speed and excellent
error detection ability.
Many electronic control units are equip ...
