Nissan Murano: Automatic Drive Positioner :: Dtc/circuit Diagnosis / B2130 Eeprom
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| B2130 |
EEPROM (EEPROM malfunction) |
Diagnosis condition | — |
| Signal (terminal) | — | ||
| Threshold | Driver seat control unit detected a CPU malfunction. | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
Driver seat control unit
FAIL-SAFE
Only manual functions operate normally.
SELF-DIAGNOSIS WITH AUTOMATIC DRIVE POSITIONER CONTROL UNIT
CONSULT
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “AUTO DRIVE POS.”.
-
Check DTC.
Is the DTC detected?
YES>>Perform diagnosis procedure. Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “AUTO DRIVE POS.”.
-
Erase the DTC.
-
Perform DTC confirmation procedure. Refer to DTC Confirmation Procedure.
Is the DTC displayed again?
YES>>Replace driver seat control unit. Refer to Removal and Installation.
NO>>GO TO 2.
CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>
Inspection End.
B2128 Uart Comm
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition
B2128
UART COMM
(Universal asynchronous receiver transmitter communication)
Diagnosis condition
—
Signal (terminal)
—
Threshold
Communication between driver seat control unit and automatic drive positioner control unit is interrupted...
Power Supply and Ground Circuit. Driver Seat Control Unit
Diagnosis Procedure
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT...
Other information:
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Front manual seat adjustment (if so equipped)
Your vehicle seats can be adjusted manually. For additional information about adjusting the seats, refer to the steps outlined in this section.
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