Nissan Rogue (T33) 2021-Present Service Manual: U1327-54 Mac Key
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms | DTC detection condition | ||
|---|---|---|---|---|
| U1327 | 54 | MAC key update | Diagnosis condition | — |
| Signal (terminal) | — | |||
| Threshold | MAC key is not written after chassis control module replacement. | |||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
-
Writing of MAC key has not been executed
-
Chassis control module
FAIL-SAFE
The following functions are suspended.*
-
Intelligent trace control function
-
Active ride control function
-
Automatic brake hold function
-
Drive mode selector function
*: Depends on the DTC detection status
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Ignition switch ON.
-
Perform “MAC Diagnosis” of “CHASSIS CONTROL” 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 “CHASSIS CONTROL” 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 “CHASSIS CONTROL” 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 “CHASSIS CONTROL” using CONSULT.
Is DTC “U1327-54” detected as the current malfunction?
YES>>Replace the chassis control module. Refer to Removal and Installation.
NO>>INSPECTION END
Other materials:
Brake assist
Brake assist
When brake pedal force exceeds a certain
threshold, Brake Assist activates to provide
greater braking force than a conventional
brake booster, even with relatively light pedal
pressure.
WARNING
Brake Assist supports braking but does
not replace careful driving. It is not a collision
wa ...
Cvt: Ge0f14a. Symptom Diagnosis
Cvt Control System
Symptom Table
The diagnosis item number indicates the order of check. Start checking in the order from 1.
Perform diagnoses of symptom table 1 before symptom table 2.
Symptom Table 1 Diagnostic item Reference Symptom
Shift Shock Slips/Will Not Engage Other
...
B2721-11 Center Sensor [rl]
DTC Description
DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition
B2721-11
CENTER SENSOR [RL]
(Center sensor [RL])
Diagnosis condition
When ignition switch is ON
Signal (terminal)
Rear sonar sensor signal LH inner
Threshold ...
