Nissan Sentra Service Manual: U1000 CAN Comm circuit
DTC Logic
DTC DETECTION LOGIC
| DTC | Display Item | Malfunction detected condition | Possible causes |
| U1000 | CAN COMM CIRCUIT | When CAN communication signal is not continuously received for 2 seconds or more | CAN communication system malfunction |
Diagnosis Procedure
1.CHECK DTC DETECTION
With CONSULT
-
Turn ignition switch ON.
-
Perform self diagnostic result.
Is DTC U1000 detected? YES >> Proceed to diagnosis procedure. Refer to LAN-16, "Trouble Diagnosis Flow Chart".
NO >> Refer to GI-39, "Intermittent Incident".
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DTC Logic
Dtc detection logic
DTC
Display Item
Malfunction detected condition
Possible causes
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U1002 System comm (CAN)
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
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SYSTEM COMM(CAN)
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Dtc/circuit diagnosis
U1000 can comm circuit
DTC Logic
Dtc detection logic
Consult display
Dtc detection condition
Possible cause
Can comm circuit
[u1000]
Av control unit is not transmitting or receiving
can communication signal for 2 seconds or
more.
CAN communication system.
...
