Nissan Murano: Dtc/circuit Diagnosis / B13ec Factory Mode
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| B13EC–52 |
Factory mode (AV control unit) |
[—] | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | – | |||
| Threshold | – | |||
| Diagnosis delay time | 30 seconds or more | |||
| B13EC–55 | [CONFIG] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) | – | |||
| Threshold | – | |||
| Diagnosis delay time | 30 seconds or more | |||
POSSIBLE CAUSE
-
AV control unit in factory mode
-
AV control unit configuration
FAIL-SAFE
-
FTB 52: AV control unit factory mode error
-
FTB 55: AV control unit configuration error
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Ignition switch OFF and wait at least 30 seconds.
-
Ignition switch ON and wait at least 30 seconds or more.
-
Select “Self Diagnostic Result” mode of “MULTI AV”.
-
Check DTC.
Is DTC B13EC–52 or B13EC–55 detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
DETERMINE MALFUNCTION TYPE
CONSULT
-
Ignition switch ON.
-
Ignition switch OFF and wait at least 30 seconds.
-
Ignition switch ON and wait at least 30 seconds or more.
-
Select “Self Diagnostic Result” mode of “MULTI AV”.
-
Check DTC.
Is DTC B13EC–52 or 55 detected?
YES>>52 [—] – GO TO 3.
YES>>55 [CONFIG] – GO TO 2.
NO>>Refer to Intermittent Incident.
PERFORM CONFIGURATION PROCEDURE
Perform configuration of AV control unit. Refer to Work Procedure.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
Is DTC B1341 detected again?
YES>>Replace AV control unit. Refer to Removal and Installation.
NO>>Inspection End.
B13cf Buttons
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B13CF-73
Buttons
(AV control unit)
Diagnosis condition
When ignition switch is ON...
U0079 Control Module Communication Bus G Off
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U0079–00
Control module communication Bus G Off
(Control module communication Bus G Off)
[—]
Diagnosis condition
When ignition switch is ON...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: B1309 System on
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B1309–11 System ON (Amplifier ON circuit) [GND–SHOR] Diagnosis condition When ignition switch is ON. Signal (terminal) AMP ON (terminal 1) Threshold – Diagnosis delay time 30 seconds or more B1309–12 [VB–SHOR] Diagnosis condition When ignition switch is ON...
Nissan Murano (Z52) 2015-2024 Service Manual: Automatic Back Door Warning Buzzer
Diagnosis Procedure CHECK AUTOMATIC BACK DOOR WARNING BUZZER GROUND CIRCUIT Ignition switch OFF. Disconnect automatic back door warning buzzer connector. Check continuity between automatic back door warning buzzer harness connector and ground. (+) (–) Continuity Automatic back door warning buzzer Connector Terminal B93 2 Ground Yes Is the inspection result normal? YES>> GO TO 2...
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Fuel gauge
The gauge indicates the approximate fuel level in the tank.
The gauge may move slightly during braking, turning, acceleration, or going up or down hills.
The gauge needle returns to 0 (Empty) after the ignition switch is placed in the OFF position.
