Nissan Sentra B18 (2020-2025) Service Manual: U0079 Control Module Communication Bus G Off
Dtc Description
DTC Description
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.
Confirmation Procedure
Confirmation Procedure
-
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>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
-
Dtc Diagnosis Procedure
DTC Diagnosis Procedure
-
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
-
CONSULT-
Ignition switch ON.
-
Erase DTC.
-
Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
-
Is DTC U0079–00 detected again?
YES>>Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
NO>>Inspection End.
-
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Component Inspection
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CHECK PARK/NEUTRAL POSITION
SWITCH-1
Turn ignition switch ON.
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...
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Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection condition
...