Nissan Rogue (T33) 2021-Present Service Manual: U1327 Mac Key
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U1327 | 52 |
MAC Key update (MAC Key update) |
Diagnosis condition | — |
| Signal (terminal) | — | |||
| Threshold | MAC key writing is incomplete. | |||
| Diagnosis delay time | — | |||
| 54 | Diagnosis condition | — | ||
| Signal (terminal) | — | |||
| Threshold | MAC key is not written after ECM replacement. | |||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
U1327–52
-
Network communication error between CONSULT and ECM
-
ECM used in other vehicles is installed in the Nissan Ariya vehicle
-
ECM
U1327–54
-
Writing of MAC key has not been executed
-
ECM
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
U1327–52
CHECK DTC PRIORITY
If DTC U1327-52 is displayed with DTC U1327-54, first perform the trouble diagnosis for DTC U1327-54
Is DTC U1327-54 detected?
YES>>Proceed to DTC U1327-54 DTC Description.
NO>>GO TO 2
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Ignition switch ON.
-
Perform “MAC key writing”. Refer to Description.
-
Perform “MAC Diagnosis” of “ENGINE” using CONSULT.
Is DTC U1327-52 detected as the current malfunction?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
U1327–54
CHECK DTC PRIORITY
With CONSULT
-
Ignition switch ON.
-
Perform “MAC Diagnosis” of “ENGINE” using CONSULT.
Is DTC U1327-54 detected as the current malfunction?
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
U1327–52
CHECK DTC PRIORITY
If DTC U1327-52 is displayed with DTC U1327-54, first perform the trouble diagnosis for DTC U1327-54.
Is DTC U1327 detected?
YES>>Proceed to DTC Description.
NO>>GO TO 2
PERFORM MAC KEY WRITING
With CONSULT
-
Perform “MAC key writing”. Refer to Description.
-
Perform “MAC Diagnosis” of “ENGINE” using CONSULT.
Is DTC U1327-52 detected?
YES>>GO TO 3
NO>>INSPECTION END
REPLACE ECM
Replace ECM. Refer to ECM : Removal & Installation.
>>
INSPECTION END
U1327–54
PERFORM MAC KEY WRITING
With CONSULT
-
Perform “MAC key writing”. Refer to Description.
-
Perform “MAC Diagnosis” of “ENGINE” using CONSULT.
Is DTC U1327-54 detected as the current malfunction?
YES>>GO TO 2.
NO>>INSPECTION END
PERFORM MAC KEY WRITING (SECOND TIMES)
With CONSULT
-
Restart CONSULT.
-
Perform “MAC key writing”. Refer to Description.
-
Perform “MAC Diagnosis” of “ENGINE” using CONSULT.
Is DTC U1327-54 detected as the current malfunction?
YES>>GO TO 3.
NO>>INSPECTION END
PERFORM MAC KEY WRITING (THIRD TIMES)
With CONSULT
-
Restart CONSULT.
-
Perform “MAC key writing”. Refer to Description.
-
Perform “MAC Diagnosis” of “ENGINE” using CONSULT.
Is DTC U1327-54 detected as the current malfunction?
YES>>Replace ECM. Refer to ECM : Removal & Installation.
NO>>INSPECTION END
Other materials:
U012e Can Communication
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U012E
00
Communication error (lost)
(Lost communication with camshaft position control module)
Diagnosis condition
Engine running at idle
Signal (terminal)
C ...
B2730-13 Side Sensor [rl]
DTC Description
DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition
B2730-13
SIDE SENSOR [RL]
(Side sensor [RL])
Diagnosis condition
When ignition switch is ON
Signal (terminal)
Rear sonar sensor signal LH side
Threshold
H ...
It Can Communication Circuit
Diagnosis Procedure
CHECK NETWORK DIAGNOSIS
Check the "Network diagnosis" results from CONSULT to see that the diagnostic CAN communication circuit have no malfunction.
Are the diagnostic CAN communication circuit normal?
YES>>
GO TO 2.
NO>>
Check and repair diagnostic CAN commu ...