Nissan Murano: Dtc/circuit Diagnosis / Warning System Buzzer
Component Function Check
CHECK SYSTEM WARNING BUZZER
CONSULT
-
Turn the ignition switch ON.
-
Select the active test item “ICC BUZZER” of “ICC/ADAS”.
-
With operating the test item, check the operation.
| On |
: Warning buzzer is activated. |
| Off |
: Warning buzzer is not activated. |
Is the inspection result normal?
YES>>
Inspection End.
NO>>
Refer to Diagnosis Procedure.
Diagnosis Procedure
CHECK WARNING SYSTEM BUZZER SIGNAL CIRCUIT FOR OPEN
-
Turn ignition switch OFF.
-
Disconnect the warning system buzzer connector.
-
Disconnect the ADAS control unit connector.
-
Check continuity between the ADAS control unit harness connector and warning system buzzer harness connector.
| ADAS control unit |
Warning system buzzer |
Continuity |
| Connector |
Terminal |
Connector |
Terminal |
| M182 |
1 |
M60 |
1 |
Yes |
| 13 |
2 |
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair the harnesses or connectors.
CHECK WARNING SYSTEM BUZZER SIGNAL CIRCUIT FOR SHORT
Check continuity between the ADAS control unit harness connector and ground.
| ADAS control unit |
Ground |
Continuity |
| Connector |
Terminal |
| M182 |
1 |
No |
| 13 |
Is the inspection result normal?
YES>>
Replace the ADAS control unit. Refer to Removal and Installation.
NO>>
Repair the harnesses or connectors.
Work Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Check the terminals and connectors of the side radar RH for damage, bend and short (unit side and connector side)...
Component Function Check
CHECK STEERING VIBRATION MOTOR
CONSULT
Turn the power switch ON
Select the active test item “Vibration motor” of “ICC/ADAS”...
Other information:
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0740
TORQUE CONVERTER
(Torque Converter Clutch Circuit/Open)
Diagnosis condition
When all of the following conditions are satisfied:
TCM power supply voltage: More than 11 V
P0743 is not detected
Signal
—
Threshold
TCM judges that solenoid valve circuit is open
Diagnosis delay time
Maintained for 5 seconds
POSSIBLE CAUSE
Harness or connector (Torque converter clutch solenoid valve circuit is open or shorted to power supply)
Torque converter clutch solenoid valve
FAIL-SAFE
Start is slow
Acceleration is slow
Lock-up is not performed
DTC Confirmation Procedure
CAUTION:
Be careful of the driving speed...
Values on the Diagnosis Tool
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short-circuited.
Monitor item Display content Data monitor
Condition Reference value in normal operation
FR LH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
FR RH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
RR LH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
RR RH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
DECEL G-SEN
Longitudinal acceleration detected by decel G sensor
Nissan Murano Vehicle stopped
Approx...