Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U1327-52 Mac Key Update
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (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 BCM
-
BCM used in other vehicle is installed in the Nissan Ariya vehicle
-
BCM
FAIL-SAFE
—
DTC 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 DTC U1327-54 detected?
YES>>Refer to DTC Description.
NO>>GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Select “MAC KEY writing” in Work supports mode of "BCM". Refer to Description.
-
Select “Self diagnosis result” mode of “BCM”.
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 DTC U1327-54 detected?
YES>>Refer to DTC Description.
NO>>GO TO 2.
PERFORM MAC KEY WRITING
CONSULT
-
Select “MAC KEY writing” in "Work supports" mode of "BCM". Refer to Description.
-
Select “Self diagnosis result” mode of “BCM”.
Is DTC U1327-52 detected as the current malfunction?
YES>>GO TO 3.
NO>>Inspection End.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
>>
Inspection End.
Other materials:
B2721-81 Center Sensor [rl]
DTC Description
DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition
B2721-81
CENTER SENSOR [RL]
Center sensor [RL]
Diagnosis condition
When ignition switch is ON
Signal (terminal)
Rear sonar sensor signal LH inner
Threshold
...
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DTC Description
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rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage
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Periodic Maintenance. Brake Fluid
Inspection
BRAKE FLUID LEVEL
Check that the brake fluid level in the reservoir tank is within the standard (between MAX − MIN lines).
Visually check for any brake fluid leakage around the reservoir tank.
Check the brake system for any leakage if the fluid level is extremely low (lo ...
