Nissan Murano: Dtc/circuit Diagnosis / B2ef0 Internal Battery
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| B2EF0 |
INTERNAL BATTERY (Internal battery) |
CIRC VOLT BELOW THRESHOLD | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | — | |||
| Threshold | TCU internal malfunction | |||
| Diagnosis delay time | Less than 1 second | |||
| INTERNAL ELECTRONIC ERROR | Diagnosis condition | When ignition switch is ON. | ||
| Signal (terminal) | — | |||
| Threshold | TCU internal malfunction | |||
| Diagnosis delay time | Less than 1 second | |||
| INCORRECT CMPNENT INSTALLED | Diagnosis condition | When ignition switch is ON. | ||
| Signal (terminal) | — | |||
| Threshold | TCU internal malfunction | |||
| Diagnosis delay time | Less than 1 second | |||
| OVER TEMPERATURE | Diagnosis condition | When ignition switch is ON. | ||
| Signal (terminal) | — | |||
| Threshold | TCU internal malfunction | |||
| Diagnosis delay time | Less than 1 second | |||
POSSIBLE CAUSE
TCU
FAIL-SAFE
Telematics system function stops
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Select “Self Diagnostic Result” mode of “TELEMATICS”.
-
Check DTC.
Is DTC B2EF0 detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
CONFIRM DTC
Confirm which DTC is detected.
Is DTC B2EF0 [CIRC VOLT BELOW THRESHOLD] detected ?
YES>>GO TO 2.
NO>>GO TO 3.
CHARGE INTERNAL BATTERY
-
Start engine.
-
Run engine for 30 minutes to allow TCU internal battery to charge.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
Is DTC B2EF0 detected again?
YES>>Replace TCU. Refer to Removal and Installation.
NO>>Inspection End.
B2e33 Ecall Button
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B2E33
ECALL BUTTON
(Ecall button)
Diagnosis condition
When ignition switch is ON...
U1000 Can Comm Circuit
DTC Description
DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real-time application. It is an on-Nissan Murano vehicle multiplex communication line with high data communication speed and excellent error detection ability...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Climate Controlled Seat Switch Indicator
Component Function Check CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR FUNCTION Check that the related indicator lamp illuminates when climate controlled seat switch is set to HEAT or COOL mode. Is the inspection result normal? YES>> Inspection End...
Nissan Murano (Z52) 2015-2024 Service Manual: B2e33 Ecall Button
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B2E33 ECALL BUTTON (Ecall button) Diagnosis condition When ignition switch is ON. Signal (terminal) SOS switch LED signal (terminal 5) Threshold — Diagnosis delay time 1 second or more POSSIBLE CAUSE SOS switch LED signal circuit SOS switch TCU FAIL-SAFE Telematics system does not function (Only SOS call does not operate) SOS switch LED indicator is turned OFF DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...
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