Nissan Rogue (T33) 2021-Present Service Manual: U1327-54 Mac Key

Nissan Rogue (T33) 2021-Present Service Manual / Driver Information & Multimedia :: Sonar System / Dtc/circuit Diagnosis :: Sonar (sonar Control Unit) / 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

  1. Ignition switch ON.

  2. 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

  1. Perform “MAC key writing”. Refer to Description.

  2. 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

  1. Restart CONSULT.

  2. Perform “MAC Key writing” again. Refer to Description.

  3. 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

  1. Restart CONSULT.

  2. Perform “MAC Key writing” again. Refer to Description.

  3. 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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