Nissan Rogue (T33) 2021-Present Service Manual: U0120 Can Communication
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U0120 | 00 |
STR/GEN C/M (Lost Communication With Starter / Generator Control Module) |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | |||
| Threshold | When ECM is not receiving CAN communication signal of OBD (emission-related diagnosis) with Sub-starter & generator. | |||
| Diagnosis delay time | 30 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted.)
-
Sub starter & generator
FAIL-SAFE
Engine Control System
Not applicable
Stop/Start System
When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited.
When ECM detects error while operating the stop/start system, ECM restarts the engine.
DTC Confirmation Procedure
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Ignition switch OFF and wait at least 10 seconds.
-
Ignition switch ON.
-
Ignition switch OFF and wait at least 10 seconds.
>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
-
Ignition switch ON and wait at least 10 seconds.
-
Check DTC.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
Perform trouble diagnosis of CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Other materials:
P15b0 Sub Starter & Generator
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P15B0
00
Sub starter & generator
(Sub starter & generator)
Diagnosis condition
—
Signal (terminal)
—
Threshold
When ECM detects an ...
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Wiring Diagram
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Exploded View
1.
Front fillet molding
2.
Rear fillet molding front
3.
Rear fillet molding rear
4.
Grommet
—
—
—
—
: Clip
: Pawl
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REMOVALRemove front fille ...
