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:
Cylinder Block
Exploded View
CAUTION:
Never disassemble or remove components beyond the configuration shown in the figure.
Cylinder block
Knock sensor
Engine oil pressure sensor
Engine oil temperature sensor
Breather separator assembly gasket
Breather separator assembly
Rear ...
For Rear Collision
For rear collision
FOR REAR COLLISION: When SRS is not activated in a collisionCAUTION:
Due to varying models and option levels, not all parts listed in the chart below apply to all Nissan Ariya vehicles.
WORK PROCEDUREBefore performing any of the following steps, ensure that all vehicle body and ...
Handling Precaution
Precautions for ProPILOT Assist 1.1
DISTANCE SENSOR HANDLINGRefer to Precautions for Intelligent Forward Collision Warning.FRONT CAMERA UNIT HANDLINGRefer to Precautions for Lane Departure Warning.PRECAUTIONS FOR USING ProPILOT ASSIST 1.1Failure
to follow the warnings and instructions for proper ...