Nissan Rogue (T33) 2021-Present Service Manual: U2150 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U2150 | 83 |
CAN comm err (AIRBAG) [CAN comm err (AIRBAG)] |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | |||
| 87 | Threshold | ECM is not receiving CAN communication signal other than OBD (emission related diagnosis). | ||
| Diagnosis delay time | 30 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted)
-
Air bag diagnosis sensor unit
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC U2150 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>GO TO 2.
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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Ignition switch ON and wait at least 3 seconds.
-
Check 1st trip DTC.
Is DTC U2150 detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
Diagnosis Procedure
CHECK DTC PRIORITY
If DTC U2150 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Other materials:
Basic Inspection. Diagnosis and Repair Work Flow
Work Flow
DETAILS OF TROUBLE DIAGNOSIS FLOWCHARTCOLLECT THE INFORMATION FROM THE CUSTOMER
It is also important to clarify customer concerns before starting the
inspection. First of all, perform an interview utilizing Diagnostic
Work Sheet and reproduce the symptom as well as fully understand i ...
System
Meter System
System Description
SYSTEM DIAGRAM Parts name Description
Ambient sensor
Refer to Ambient Sensor.
BCM
Transmits the BCM status to the combination meter via CAN communication.
Combination meter
Refer to Combination Meter.
ECM
Transmits the ECM status to ...
P2239 Ho2s2
DTC Description
To judge malfunctions, the diagnosis checks that the A/F signal
computed by ECM from the A/F sensor 1 signal fluctuates according to
fuel feedback control.DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2239
00
...
