Nissan Rogue (T33) 2021-Present Service Manual: U1327-54 Mac Key
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| U1327-54 |
MAC key update (Message Authentication Code key update) |
Diagnosis condition | - |
| Signal (terminal) | - | ||
| Threshold | MAC key is not written after sonar control unit replacement. | ||
| Diagnosis delay time | - | ||
POSSIBLE CAUSE
-
Writing of MAC key has not been executed
-
Sonar control unit
FAIL-SAFE
-
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Ignition switch ON.
-
Perform “MAC Diagnosis” of “SONAR” 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
PERFORM MAC KEY WRITING
With CONSULT
-
Perform “MAC key writing”. Refer to Description.
-
Perform “MAC Diagnosis” of “SONAR” using CONSULT.
Is DTC U1327-54 detected as the current malfunction?
YES>>GO TO 2.
NO>>INSPECTION END
PERFORM MAC KEY WRITING AGAIN (SECOND TIMES)
With CONSULT
-
Restart CONSULT.
-
Perform “MAC Key writing” again. Refer to Description.
-
Perform “MAC Diagnosis” of “SONAR” using CONSULT.
Is DTC U1327-54 detected as the current malfunction?
YES>>GO TO 3.
NO>>INSPECTION END
PERFORM MAC KEY WRITING AGAIN (THIRD TIMES)
With CONSULT
-
Restart CONSULT.
-
Perform “MAC Key writing” again. Refer to Description.
-
Perform “MAC Diagnosis” of “SONAR” using CONSULT.
Is DTC U1327-54 detected as the current malfunction?
YES>>Replace sonar control unit. Refer to Removal and Installation.
NO>>INSPECTION END
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DTC DETECTION LOGIC DTC No.
CONSULT screen terms
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