Nissan Rogue (T33) 2021-Present Service Manual: 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
-
Ignition switch ON.
-
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
-
Ignition switch ON.
-
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
-
Perform “MAC key writing”. Refer to Work Procedure.
-
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
-
Restart CONSULT.
-
Perform “MAC Key writing” again. Refer to Work Procedure.
-
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
-
Restart CONSULT.
-
Perform “MAC Key writing” again. Refer to Work Procedure.
-
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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Tool name Description
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Locates the noise
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Basic information
WARNING
Failure to follow the warnings and
instructions for proper use of the I-DA
system could result in serious injury
or death.
The I-DA system is only a warning
to inform the driver of a potential
lack of driver attention or drowsiness.
It will not steer the vehicle or
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Dtc/circuit Diagnosis. B2c95-64 Combination Switch
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC Detection Condition
B2C95-64
Combination switch
(Combination switch)
Diagnosis condition
Ignition switch OFF (auto ACC status)
Signal (terminal)
Combination switch signal
...
