Nissan Murano: Sonar System :: Dtc/circuit Diagnosis / Power Supply and Ground Circuit
Diagnosis Procedure
CHECK FUSE
Check that the following fuse is not blown:
| Terminal No. | Signal name | Fuse No. | Capacity |
| 12 |
IGN power supply |
29 |
10 A |
Is the fuse blown?
YES>>
Replace the blown fuse after repairing the affected circuit.
NO>>
GO TO 2.
CHECK POWER SUPPLY CIRCUIT
-
Ignition switch OFF.
-
Disconnect sonar control unit connector.
-
Check voltage between sonar control unit connector and ground.
| Sonar control unit | — | Condition |
Voltage
(Approx.) |
| Connector | Terminal |
| M70 |
12 |
Ground |
Ignition switch: ON |
Battery voltage |
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 sonar control unit connector and ground.
| Sonar control unit | — | Continuity |
| Connector | Terminal |
| M70 |
15 |
Ground |
Yes |
Is the inspection result normal?
YES>>
Inspection End.
NO>>
Repair or replace harness or connectors.
DTC Description
DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real-time application. It is an on-Nissan Murano vehicle multiplex communication line with high data communication speed and excellent error detection ability...
Symptom Table
Symptom Possible cause Reference page
Malfunction is detected in only 1 sensor of display (Always displayed in red).
Sonar sensor circuit
Sonar sensor
DTC Diagnosis Procedure (rear LH inner)
DTC Diagnosis Procedure (rear RH inner)
DTC Diagnosis Procedure (rear LH outer)
DTC Diagnosis Procedure (rear RH outer)
DTC Diagnosis Procedure (front LH inner)
DTC Diagnosis Procedure (front RH inner)
DTC Diagnosis Procedure (front LH outer)
DTC Diagnosis Procedure (front RH outer)
Removal and Installation
Malfunction is detected in all 8 sensors of display
(Always displayed in red)...
Other information:
Exploded View
Transaxle assembly
Hose clamp
CVT fluid cooler hose A
Hose clip
CVT fluid cooler hose B
Connector tube
CVT fluid cooler hose C
Oil warmer
To radiator. Refer to Exploded View.
: Always replace after every disassembly...
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
C1A4A-82
TCM CAN CIRC1
(TCM CAN circuit1)
Diagnosis condition
When engine is running
When MAIN switch of ICC system is ON
Signal (terminal)
CAN communication signal
Threshold
If ADAS control unit detects an error signal that is received from TCM via CAN communication
Diagnosis delay time
1 second or less
POSSIBLE CAUSE
TCM
ADAS control unit
FAIL-SAFEThe following systems are canceled:
Automatic Emergency Braking (AEB) with pedestrian detection
Automatic Emergency Braking (AEB)
Intelligent Forward Collision Warning (I-FCW)
Blind Spot Warning (BSW)
Rear Cross Traffic Alert (RCTA)
Lane Departure Warning (LDW)
Intelligent Lane Intervention (I-LI)
Confirmation Procedure
CHECK DTC PRIORITY
If DTC “C1A4A-82” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”...
Categories

Your vehicle has two types of security systems:
Vehicle security system
NISSAN Vehicle Immobilizer System
The vehicle security system provides visual
and audible alarm signals if someone
opens the doors, liftgate or the hood when
the system is armed. It is not, however, a
motion detection type system that activates
when a vehicle is moved or when a
vibration occurs.
read more