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".
C1164, C1165, C1166, C1167 CV/SV System
DTC Logic
Dtc detection logic
DTC
Display Item
Malfunction detected condition
Possible causes
C1164
CV 1
When a malfunction is detected in cut valve 1.
Har ...
U1002 System comm (CAN)
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
U1002
SYSTEM COMM(CAN)
When ABS actuator and electric unit (control unit) ...
Other materials:
M&a branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for damage,
bend and loose connection
(unit side and connector side).
Is the inspection result nor ...
Dlc branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for
damage, bend and loose connection
(connector side and harness side).
Is the inspection resul ...
System description
Component parts
Component parts location
ABS actuator and electric unit (control
unit)
Av control unit
A/c auto amp.
Ecm
Ipdm e/r
Tcm
Data link connector
EPS control unit
Bcm
Combination meter
Steering angle sensor
Air bag diagnosis sensor unit
System
Can communi ...