ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive positione ...
Tweeter
Description
The audio unit sends audio signals to the tweeters using the front door
speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
2.HARNESS CHECK
...
E-call (SOS) switch (if so equipped)
The E-call (SOS) system switch is used in combination
with a NissanConnectSM Services subscription
to call for assistance in case of an
emergency.
Pushing the switch will (with a paid subscription)
reach a Response Specialist that will provide
assistance based on the situation described ...