Nissan Sentra Service Manual: BCM 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 bcm for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.Check harness for open circuit
- Disconnect the connector of BCM.
- Check the resistance between the BCM harness connector terminals.
- Without Intelligent Key system
- With intelligent key system
Is the measurement value within the specification? Yes >> go to 3.
No >> repair the bcm branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the bcm. Refer to the following.
- With Intelligent Key system: Refer to BCS-67, "Diagnosis Procedure".
- Without intelligent key system: refer to bcs-120, "diagnosis procedure".
Is the inspection result normal? YES (Present error)>>Replace the BCM. Refer to the following.
- With intelligent key system: refer to bcs-73, "removal and installation".
- Without Intelligent Key system: Refer to BCS-126, "Removal and Installation".
YES (Past error)>>Error was detected in the BCM branch line.
NO >> Repair the power supply and the ground circuit.
Hvac 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 a/c auto amp. For damage, ...
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on can communication syste ...
Other materials:
P0014 EVT control
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0014 is displayed with DTC P0078, first perform trouble
diagnosis for DTC P0078. Refer to
EC-183, "DTC Logic".
If DTC P0014 is displayed with P1078, first perform trouble diagnosis
for P1078. Refer to EC-359,
"DTC Logic&quo ...
Voice Adaptation (VA) mode
Voice Adaptation allows up to two out-of-dialect
users to train the system to improve recognition
accuracy. By repeating a number of commands,
the users can create a voice model of their own
voice that is stored in the system. The system is
capable of storing a different voice adaptation
model ...
Exterior lighting system symptoms
Symptom Table
Caution:
Perform the self-diagnosis with consult before the symptom diagnosis.
Perform the trouble diagnosis
if any dtc is detected.
Normal operating condition
Description
Auto light system
The auto light system may not turn the headlamp ON/OFF immediately after
pass ...