Nissan Murano: Dtc/circuit Diagnosis / U0079 Control Module Communication Bus G Off
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| U0079–00 |
Control module communication Bus G Off (Control module communication Bus G Off) |
[—] | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | CAN communication signal | |||
| Threshold | Transmit or receive is abnormal | |||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
CAN communication does not function.
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Ignition switch OFF and wait at least 30 seconds.
-
Ignition switch ON and wait at least 30 seconds or more.
-
Select “Self Diagnostic Result” mode of “MULTI AV”.
-
Check DTC.
Is DTC U0079–00 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
Is DTC detected again?
YES>>Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
NO>>Inspection End.
B13ec Factory Mode
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B13EC–52
Factory mode
(AV control unit)
[—]
Diagnosis condition
When ignition switch is ON...
U1000 Can Comm Circuit
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...
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