Nissan Rogue (T33) 2021-Present Service Manual: U1327-52 Mac Key

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Adas Control Unit :: Dtc/circuit Diagnosis / U1327-52 Mac Key

Without Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U1327 52

MAC key update

(Message Authentication Code key update) 		Diagnosis condition —
Signal (terminal) —
Threshold MAC key writing is incomplete
Diagnosis delay time —

POSSIBLE CAUSE

  • Network communication error between CONSULT and ADAS control unit 2

  • ADAS control unit 2 used in other Nissan Ariya vehicles is installed in the vehicle

  • 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

CHECK DTC PRIORITY

If DTC “U1327-52” is displayed with DTC “U1327-54”, first perform the trouble diagnosis for DTC “U1327-54”.

Is applicable DTC detected?

YES>>

Refer to DTC Description.

NO>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Ignition switch ON.

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

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

Is DTC “U1327-52” 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 52

MAC key update

(Message Authentication Code key update) 		Diagnosis condition —
Signal (terminal) —
Threshold MAC key writing is incomplete
Diagnosis delay time —

POSSIBLE CAUSE

  • Network communication error between CONSULT and ADAS control unit 2

  • ADAS control unit 2 used in other Nissan Ariya vehicles is installed in the vehicle

  • ADAS control unit 2

FAIL-SAFE

None

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “U1327-52” is displayed with DTC “U1327-54”, first perform the trouble diagnosis for DTC “U1327-54”.

Is applicable DTC detected?

YES>>

Refer to DTC Description.

NO>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Ignition switch ON.

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

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

Is DTC “U1327-52” 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

CHECK DTC PRIORITY

If DTC “U1327-52” is displayed with DTC “U1327-54”, first perform the trouble diagnosis for DTC “U1327-54”.

Is applicable DTC detected?

YES>>

Refer to DTC Description.

NO>>

GO TO 2.

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 “U1327-52” detected as the current malfunction?

YES>>

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

NO>>

INSPECTION END.

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