Nissan Sentra Service Manual: Dlc 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 data link connector for damage, bend and loose connection (connector side and harness side).
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.Check harness for open circuit
Check the resistance between the data link connector terminals.
Is the measurement value within the specification? Yes (present error)>>check can system type decision again.
Yes (past error)>>error was detected in the data link connector branch line circuit.
No >> repair the data link connector branch line.
A-bag branch line circuit
Diagnosis procedure
Warning:
Always observe the following items for preventing accidental
activation.
Before servicing, turn ignition switch off, disconnect battery
negative terminal, and w ...
EPS 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 EPS control unit for dam ...
Other materials:
P0603 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0603
ECM BACK UP CIRCUIT
[Internal control module keep
alive memory (KAM) error]
Malfunction in the internal back up RAM o ...
Intermittent Incident
DESCRIPTION
Sometimes the symptom is not present when the vehicle is brought in for
service. If possible, re-create the
conditions present at the time of the incident. Doing so may help avoid a No
Trouble Found Diagnosis. The fol-
lowing section illustrates ways to simulate the conditions/env ...
How to use the APPS – i button
For more information about the “SiriusXM Travel
Link”, and “SiriusXM Traffic” features, see the
separate Navigation System Owner’s Manual.
For more information about the “My Apps” key,
see “NissanConnect™ App Smartphone Integration”
in this section.
For more infor ...
