Nissan Murano: Dtc/circuit Diagnosis / Amp on Signal Circuit
Diagnosis Procedure
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND BOSE SPEAKER AMP.
-
Ignition switch OFF.
-
Disconnect AV control unit connector and Bose speaker amp. connector.
-
Check continuity between AV control unit connector and Bose speaker amp. connector.
| AV control unit | Bose speaker amp. | Continuity |
| Connector | Terminal | Connector | Terminal |
| M161 |
1 |
B121 |
20 |
Yes |
-
Check continuity between AV control unit connector and ground.
| AV control unit |
Ground |
Continuity |
| Connector |
Terminal |
| M161 |
1 |
— |
No |
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace harness or connectors.
CHECK AV CONTROL UNIT VOLTAGE
-
Connect AV control unit connector.
-
Ignition switch ON.
-
Check voltage between AV control unit connector and ground.
| AV control unit |
Ground |
Voltage
(Approx.) |
| (+) |
(–) |
| Connector |
Terminal |
| M161 |
1 |
— |
Battery voltage |
Is the inspection result normal?
YES>>
Replace Bose speaker amp. Refer to Removal and Installation.
NO>>
Replace AV control unit. Refer to Removal and Installation.
Diagnosis Procedure
CONNECTOR CHECK
Check the AV control unit, Bose speaker amp. and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
Is the inspection result normal?
YES>>
GO TO 2...
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:
Component Function Check
CHECK FUNCTION
CONSULT
Select “DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL” or “DOOR SW-RR” in “Data Monitor” mode of “BCM(DOOR LOCK)”.
Check that the function operates normally according to the following conditions:
Monitor Item Condition Status
DOOR SW-DR
Front door LH
Open
On
Closed
Off
DOOR SW-AS
Front door RH
Open
On
Closed
Off
DOOR SW-RL
Rear door LH
Open
On
Closed
Off
DOOR SW-RR
Rear door RH
Open
On
Closed
Off
Is the inspection result normal?
YES>>
Door switch is OK...
DTC Description
CAN controller controls the communication of CAN communication signal and the error detection.DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
U1010-49
CONTROL UNIT (CAN)
[Control unit (CAN)]
Diagnosis condition
When engine is running
When MAIN switch of ICC system is ON
Signal (terminal)
—
Threshold
If ADAS control unit detects malfunction by CAN controller initial diagnosis
Diagnosis delay time
1 second or less
POSSIBLE CAUSEADAS control unitFAIL-SAFEThe following systems are canceled:
Automatic Emergency Braking (AEB) with pedestrian detection
Automatic Emergency Braking (AEB)
Intelligent Forward Collision Warning (I-FCW)
Lane Departure Warning (LDW)
Intelligent Lane Intervention (I-LI)
Blind Spot Warning (BSW)
Rear Cross Traffic Alert (RCTA)
Rear Automatic Braking (RAB)
Traffic Sign Recognition (TSR)
Intelligent Drive Alertness (I-DA)
Confirmation Procedure
DTC CONFIRMATION PROCEDUREPERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Start the engine...