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:
P0605 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0605
ECM
[Internal control module
read only memory (ROM)
error]
Malfunction in the internal ROM of ECM.
ECM
DTC CONFIRM ...
P1078 EVT Control position sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1078
EXH TIM SEN/CIRC-B1
(Exhaust valve timing control
position sensor circuit
bank 1)
An excessively high or low voltage from
...
P0746 Pressure control solenoid A
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0746
PRESSURE CONTROL SOLENOID
A
(Pressure Control Solenoid A
Performance/Stuck Off)
The detecting condition A or detection conditi ...
