Nissan Juke Service and Repair Manual : Power supply and ground circuit
Navi control unit
NAVI CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK? YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between NAVI control unit harness connector and ground.
Is inspection result OK? YES >> GO TO 3.
NO >> Check harness between NAVI control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector.
3. Check continuity between NAVI control unit harness connector and ground.
Is inspection result OK? YES >> INSPECTION END
NO >> Repair harness or connector.
Microphone signal circuit
Description
Power is supplied from NAVI control unit to microphone. The microphone
transmits the sound voice to the
NAVI control unit.
Diagnosis Procedure
1.CHECK CONTINUITY BETWEEN NAVI CONTROL ...
Other materials:
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system safely is
include ...
U0073 communication bus A off
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, and ...
ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES &g ...
