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

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Adas Control Unit :: Dtc/circuit Diagnosis / U1327-54 Mac Key

Without Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(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 ADAS control unit 2 replacement
Diagnosis delay time —

POSSIBLE CAUSE

  • Writing of MAC key has not been executed

  • ADAS control unit 2

FAIL-SAFE

The following systems are canceled.

  • Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • Steering wheel assistance function

  • AEB

  • RAB

  • I-FCW

  • LDW

  • I-LI

  • BSW

  • I-BSI

  • RCTA

  • TSR

  • I-DA

CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Ignition switch ON.

  2. Perform “MAC Diagnosis” of “ICC/ADAS 2” using CONSULT.

Is DTC “U1327-54” detected as the current malfunction?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

With Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(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 ADAS control unit 2 replacement
Diagnosis delay time —

POSSIBLE CAUSE

  • Writing of MAC key has not been executed

  • ADAS control unit 2

FAIL-SAFE

None

CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Ignition switch ON.

  2. Perform “MAC Diagnosis” of “ICC/ADAS 2” using CONSULT.

Is DTC “U1327-54” detected as the current malfunction?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

PERFORM MAC KEY WRITING

With CONSULT

  1. Perform “MAC key writing”. Refer to Work Procedure.

  2. Perform “MAC Diagnosis” of “ICC/ADAS 2” 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 Work Procedure.

  3. Perform “MAC Diagnosis” of “ICC/ADAS 2” 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 Work Procedure.

  3. Perform “MAC Diagnosis” of “ICC/ADAS 2” using CONSULT.

Is DTC “U1327-54” detected as the current malfunction?

YES>>

Replace the ADAS control unit 2. Refer to Removal and Installation.

NO>>

INSPECTION END

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