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 ...
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FOREWORD
Welcome to the growing family of new NISSAN
owners. This vehicle is delivered to you with
confidence. It was produced using the latest
techniques and strict quality control.
This manual was prepared to help you understand
the operation and maintenance of your
vehicle so that you ma ...
System description
Component parts
Nissan vehicle immobilizer system-nats
Nissan vehicle immobilizer systemnats
: component parts location
Bcm
(view with instrument panel removed)
Dongle unit (canada only)
(behind instrument panel lh)
Ignition switch
Nats antenna amp.
(Inside steering column) ...
Keys
Remote keyless entry keyfob (if so equipped)
Integrated door lock keyfob
Key number plate
CAUTION
Do not leave the ignition key inside the
vehicle when you leave the vehicle.
A key number plate is supplied with your keys.
Record the key number and keep it in a safe place
(such as ...