Nissan Rogue Service Manual: U1040 ENG comm circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
| U1040 | ENG COMM CIRCUIT (Engine communication circuit) | ECM cannot transmit a communication signal to generator. |
POSSIBLE CAUSE
- Harness or connectors (LIN communication circuit is open or shorted.)
- ECM
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted. always perform the following procedure before conducting the next test.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
- Turn ignition ON and wait at least 10 seconds.
- Check DTC.
Is DTC detected? YES >> Proceed to EC-171, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK LIN COMMUNICATION CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector and generator harness connector.
- Check the continuity between ECM harness connector and generator harness connector.
- Also check harness for short to power and short to ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
2.REPLACE GENERATOR
- Replace generator. Refer to CHG-20, "Removal and Installation".
- Erase DTC.
- Perform DTC confirmation procedure again. Refer to EC-171, "DTC Description".
Is DTC detected again? YES >> Replace ECM. Refer to EC-499, "Removal and Installation".
NO >> INSPECTION END
U1001 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellen ...
U1044 ENG comm circuit
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
U1044
ENG COMM CIRCUIT
(Engine communication circu ...
Other materials:
Rear stabilizer
Exploded View
Rear stabilizer bar
Connecting rod (RH)
Rear stabilizer bar bushing
Rear stabilizer bar clamp
Connecting rod (LH)
Front
Removal and Installation
REMOVAL
Disconnect rear stabilizer links from rear stabilizer bar.
...
Avoiding collision and rollover
WARNINGFailure to operate this vehicle in a safe
and prudent manner may result in loss of
control or an accident.
Be alert and drive defensively at all times. Obey
all traffic regulations. Avoid excessive speed,
high speed cornering, or sudden steering maneuvers,
because these ...
Steering wheel
Inspection
STEERING WHEEL AXIAL END PLAY
Check installation conditions of steering gear, front suspension
assembly, axle and steering column.
Check if movement exists when steering wheel is moved up and down,
to the left and right and to the axial
direction.
Steering wh ...
