Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit. Av Control Unit
Diagnosis Procedure
CHECK FUSE
Check that the following fuses are not blown:
| Terminal No. | Signal name | Fuse No. | Capacity |
| 7 |
ACC power supply |
7 |
10 A |
| 17 |
Ignition power supply |
29 |
10 A |
| 19 |
Battery power supply |
15 |
20 A |
Are the fuses blown?
YES>>
Replace the blown fuse after repairing the affected circuit.
NO>>
GO TO 2.
CHECK POWER SUPPLY CIRCUIT
-
Ignition switch OFF.
-
Disconnect AV control unit connectors.
-
Check voltage between AV control unit connectors and ground.
| AV control unit | Ground | Condition |
Voltage
(Approx.) |
| Connector | Terminal |
| M161 |
19 |
— |
Ignition switch: OFF |
Battery voltage |
| 7 |
Ignition switch: ON |
| 17 |
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair or replace harness or connectors.
CHECK GROUND CIRCUIT
-
Ignition switch OFF.
-
Check continuity between AV control unit connector and ground.
| AV control unit | Ground | Continuity |
| Connector | Terminal |
| M161 |
20 |
— |
Yes |
Is the inspection result normal?
YES>>
Inspection End.
NO>>
Repair or replace harness or connectors.
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U1300–01
AV communication circuit
(AV communication circuit)
Diagnosis condition
When ignition switch is ON...
Diagnosis Procedure
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
Ignition switch OFF.
Disconnect combination switch connector.
Check resistance between the terminals of combination switch connector...
Other information:
When the doors are locked using one of the
following methods, the doors cannot be
opened using the inside or outside door
handles. The doors must be unlocked to
open the doors.
WARNING
Always have the doors locked while
driving. Along with the use of seat
belts, this provides greater safety in
the event of an accident by helping to
prevent persons from being thrown
from the vehicle...
This mode allows driving at a speed between
25 to 90 mph (40 to 144 km/h) without
keeping your foot on the accelerator
pedal.
WARNING
In the conventional (fixed speed)
cruise control mode, a warning chime
does not sound to warn you if you are
too close to the vehicle ahead, as neither
the presence of the vehicle ahead
nor the vehicle-to-vehicle distance is
detected...