Nissan Murano: Driver Information & Multimedia / Sonar System :: Ecu Diagnosis Information. Sonar Control Unit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Sonar System :: Ecu Diagnosis Information. Sonar Control Unit

Values on the Diagnosis Tool

NOTE:

The following table includes information (items) inapplicable to this Nissan Murano vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.

Monitor Item	Condition	Value/Status
Nissan Murano Vehicle SPEED	While driving, equivalent to speedometer reading	mph, km/h
SONAR C/U POWER SUPPLY	Key ON.	Battery voltage
SENSOR VOLTAGE	Key ON, selector lever in R (reverse) position.	5.0 V
DETECTION MODE	Key ON.	Mode 1
DETECTION MODE	Key ON.	Mode 2
SW OPRT AFTR IGN ON	Switch operation after ignition ON.	Yes
SW OPRT AFTR IGN ON	Switch operation after ignition ON.	No
SONAR TEMPORARY OFF	Key ON, A/T shift selector in R (reverse) position.	No
SONAR TEMPORARY OFF	When A/T shift selector is in any position other than R (reverse).	Yes
SONAR PERMANENT OFF	Key ON, A/T shift selector in R (reverse) position.	No
SONAR PERMANENT OFF	When selector lever is in any position other than R (reverse).	Yes
P N RANGE	When A/T shift selector is in any position other than P (park) or N (neutral).	Off
P N RANGE	When A/T shift selector in P (park) or N (neutral) position.	On
LED	When LED is off.	No
LED	When LED is on.	Yes
TRAILER CONNECT	When no trailer is connected.	N CONN
TRAILER CONNECT	When trailer is connected.	CONN
REVERSE RANGE	When A/T shift selector is in any position other than R (reverse).	Off
REVERSE RANGE	When A/T shift selector is in R (reverse) position.	On
SHRT DST FRM RR SENS	Key ON, A/T shift selector in R (reverse) position.	cm/in
SHRT DST FRM FR SENS
COR[RL]
COR[RL]->CEN[RL]/CEN[R] [cm/in]
CEN[RL]/CEN[R]->COR[RL] [cm/in]
CEN[RL]/CEN[R] [cm/in]
CEN[RL]->CEN[RR] [cm/in]
CEN[RR]->CEN[RL] [cm/in]
CEN[RR] [cm/in]
CEN[RR]/CEN[R]->COR[RR] [cm/in]
COR[RR]->CEN[RR]/CEN[R] [cm/in]
COR[RR]
COR[FL]
COR[FL]->CEN[FL]/CEN[F] [cm/in]
CEN[FL]/CEN[F]->COR[FL] [cm/in]
CEN[FL]/CEN[F] [cm/in]
CEN[FL]->CEN[FR] [cm/in]
CEN[FR]->CEN[FL] [cm/in]
CEN[FR] [cm/in]
CEN[FR]/CEN[F]->COR[FR] [cm/in]
COR[FR]->CEN[FR]/CEN[F] [cm/in]
COR[FR]
RVRB TIME COR[RL]	Key ON, A/T shift selector in R (reverse) position.	ms/sec
RVRB TIME COR[RR]
RVRB TIME CEN[RL]
RVRB TIME CEN[RR]
RVRB TIME COR[FL]
RVRB TIME COR[FR]
RVRB TIME CEN[FL]
RVRB TIME CEN[FR]
FRONT BUZZER	When front sonar buzzer is OFF.	Off
FRONT BUZZER	When front sonar buzzer is ON.	On
REAR BUZZER	When rear sonar buzzer is OFF.	Off
REAR BUZZER	When rear sonar buzzer is ON.	On
ATTENUATION TIME SIDE[RL]	Key ON, A/T shift selector in R (reverse) position.	ms
ATTENUATION TIME SIDE[RR]	Key ON, A/T shift selector in R (reverse) position.	ms
Synchronization state	When synchronization is attempted.	try
Synchronization state	When synchronization is not attempted.	not try
High side switch counter [numerical]	Key ON.	numerical

Reference Value

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal (Wire color)		Description		Condition		Reference value (Approx.)
+	–	Signal name	Input/Output	Ignition switch	Operation	Reference value (Approx.)
1¹ (R)	13¹ (LG)	Front sonar sensor RH inner	Input	ON	Shift position is D (drive). Obstacle within range of front sonar sensor RH inner.
2¹ (W)	13¹ (LG)	Front sonar sensor LH inner	Input	ON	Shift position is D (drive). Obstacle within range of front sonar sensor LH inner.
3¹ (Y)	13¹ (LG)	Front sonar sensor LH outer	Input	ON	Shift position is D (drive). Obstacle within range of front sonar sensor LH outer.
4¹ (G)	13¹ (LG)	Front sonar sensor RH outer	Input	ON	Shift position is D (drive). Obstacle within range of front sonar sensor RH outer.
5 (L)	—	CAN-High	Input/Output	—	—	—
6 (Y)	—	CAN-Low	Input/Output	—	—	—
9 (R)	14 (L)	Rear sonar sensor RH inner	Input	ON	Shift position is R (reverse). Obstacle within range of rear sonar sensor RH inner.
10 (G)	14 (L)	Rear sonar sensor RH outer	Input	ON	Shift position is R (reverse). Obstacle within range of rear sonar sensor RH outer.
11¹ (P)	Ground	Front sonar sensor power	Output	ON	—	Battery voltage
12 (LG)	Ground	IGN power supply	Input	ON	—	Battery voltage
13 (LG)	Ground	Front sensor ground	—	ON	—	0 V
14 (L)	Ground	Rear sensor ground	—	ON	—	0 V
15 (B)	Ground	Ground	—	ON	—	0 V
18 (BG)	Ground	Sonar buzzer signal	Output	ON	Selector lever R (reverse) position and object within detection range	Battery voltage
19 (W)	Ground	Sonar buzzer power supply	Input	ON	Selector lever R (reverse) position	Battery voltage
21 (W)	14 (L)	Rear sonar sensor LH inner	Input	ON	Shift position is R (reverse). Obstacle within range of rear sonar sensor LH inner.
22 (Y)	14 (L)	Rear sonar sensor LH outer	Input	ON	Shift position is R (reverse). Obstacle within range of rear sonar sensor LH outer.
23 (P)	Ground	Rear sonar sensor power	Output	ON	—	Battery voltage

¹: With 4 front sonar sensors

Fail-Safe (Sonar Control Unit)

Display contents of CONSULT	Fault	Fail-safe operation
U1000–01: CAN COMM CIRCUIT	Loss of communication with ABS actuator and electric unit (control unit)	Sonar system is ON (selector lever in reverse)
B2720–60: CORNER SENSOR [RL] B2720–61: CORNER SENSOR [RL] B2720–62: CORNER SENSOR [RL] B2720–63: CORNER SENSOR [RL] B2720–65: CORNER SENSOR [RL] B2720–67: CORNER SENSOR [RL] B2720–68: CORNER SENSOR [RL] B2720–83: CORNER SENSOR [RL] B2720–92: CORNER SENSOR [RL] B2721–60: CENTER SENSOR [RL] B2721–61: CENTER SENSOR [RL] B2721–62: CENTER SENSOR [RL] B2721–63: CENTER SENSOR [RL] B2721–65: CENTER SENSOR [RL] B2721–67: CENTER SENSOR [RL] B2721–68: CENTER SENSOR [RL] B2721–83: CENTER SENSOR [RL] B2721–92: CENTER SENSOR [RL] B2722–60: CENTER SENSOR [RR] B2722–61: CENTER SENSOR [RR] B2722–62: CENTER SENSOR [RR] B2722–63: CENTER SENSOR [RR] B2722–65: CENTER SENSOR [RR] B2722–67: CENTER SENSOR [RR] B2722–68: CENTER SENSOR [RR] B2722–83: CENTER SENSOR [RR] B2722–92: CENTER SENSOR [RR] B2723–60: CORNER SENSOR [RR] B2723–61: CORNER SENSOR [RR] B2723–62: CORNER SENSOR [RR] B2723–63: CORNER SENSOR [RR] B2723–65: CORNER SENSOR [RR] B2723–67: CORNER SENSOR [RR] B2723–68: CORNER SENSOR [RR] B2723–83: CORNER SENSOR [RR] B2723–92: CORNER SENSOR [RR] B2729–60: CORNER SENSOR [FL] B2729–61: CORNER SENSOR [FL] B2729–62: CORNER SENSOR [FL] B2729–63: CORNER SENSOR [FL] B2729–65: CORNER SENSOR [FL] B2729–67: CORNER SENSOR [FL] B2729–68: CORNER SENSOR [FL] B2729–83: CORNER SENSOR [FL] B2729–92: CORNER SENSOR [FL] B272A–60: CENTER SENSOR [FL] B272A–61: CENTER SENSOR [FL] B272A–62: CENTER SENSOR [FL] B272A–63: CENTER SENSOR [FL] B272A–65: CENTER SENSOR [FL] B272A–67: CENTER SENSOR [FL] B272A–68: CENTER SENSOR [FL] B272A–83: CENTER SENSOR [FL] B272A–92: CENTER SENSOR [FL] B272B–60: CENTER SENSOR [FR] B272B–61: CENTER SENSOR [FR] B272B–62: CENTER SENSOR [FR] B272B–63: CENTER SENSOR [FR] B272B–65: CENTER SENSOR [FR] B272B–67: CENTER SENSOR [FR] B272B–68: CENTER SENSOR [FR] B272B–83: CENTER SENSOR [FR] B272B–92: CENTER SENSOR [FR] B272C–60: CORNER SENSOR [FR] B272C–61: CORNER SENSOR [FR] B272C–62: CORNER SENSOR [FR] B272C–63: CORNER SENSOR [FR] B272C–65: CORNER SENSOR [FR] B272C–67: CORNER SENSOR [FR] B272C–68: CORNER SENSOR [FR] B272C–83: CORNER SENSOR [FR] B272C–92: CORNER SENSOR [FR]	Sensor sensor internal failure	Obstacle detection of the sensor in error is stopped
B2720–66: CORNER SENSOR [RL] B2721–66: CENTER SENSOR [RL] B2722–66: CENTER SENSOR [RR] B2723–66: CORNER SENSOR [RR] B2729–66: CORNER SENSOR [FL] B272A–66: CENTER SENSOR [FL] B272B–66: CENTER SENSOR [FR] B272C–66: CORNER SENSOR [FR]	Open circuit/short circuit to ground	Obstacle detection of the sensor in error is stopped Audible warning (sonar buzzer) of all sensors is stopped Sonar buzzer sounds for 3 seconds
B2724–23: SONAR CONTROL UNIT	Sonar control unit internal failure (under voltage)	Off indicator blinks periodically (500 ms ON, 500ms OFF) Sonar buzzer sounds for 3 seconds
B2724–24: SONAR CONTROL UNIT	Sonar control unit internal failure (over voltage)
B2724–44: SONAR CONTROL UNIT B2724–45: SONAR CONTROL UNIT B2724–46: SONAR CONTROL UNIT B2724–48: SONAR CONTROL UNIT B2724–49: SONAR CONTROL UNIT B2724–86: SONAR CONTROL UNIT B2724–87: SONAR CONTROL UNIT	Sonar control unit internal failure
B2724–55: SONAR CONTROL UNIT	Sonar control unit internal failure (not configured)
B272D-12: FRONT BUZZER	Sonar buzzer power circuit short to voltage Sonar buzzer signal circuit short to voltage	Audible warning (sonar buzzer) of all sensors is stopped
B272D-14: FRONT BUZZER	Sonar buzzer power circuit open/short to ground Sonar buzzer signal circuit open/short to ground Sonar buzzer ground circuit open	Audible warning (sonar buzzer) of all sensors is stopped
B2738-11: FRONT SENSOR POWER	Front sensor power supply is short to ground	Obstacle detection function is deactivated
B2738-12: FRONT SENSOR POWER	Front sensor power supply is short to voltage
B2738-87: FRONT SENSOR POWER	Connection error is detected between sonar control unit and front sonar sensors
B273B-11: REAR SENSOR POWER	Rear sensor power supply is short to ground
B273B-12: REAR SENSOR POWER	Rear sensor power supply is short to voltage
B273B-87: REAR SENSOR POWER	Connection error is detected between sonar control unit and rear sonar sensors

DTC Inspection Priority Chart

If multiple DTCs are detected simultaneously, check them one by one depending on the following DTC inspection priority chart.

Priority	Detected items (DTC)
1	U1000–01: CAN COMM CIRCUIT U1010–49: CONTROL UNIT(CAN)
2	B2738–11: FRONT SENSOR POWER B2738–12: FRONT SENSOR POWER B2738–87: FRONT SENSOR POWER B273B–11: REAR SENSOR POWER B273B–12: REAR SENSOR POWER B273B–87: REAR SENSOR POWER
3	B2720–60: CORNER SENSOR [RL] B2720–61: CORNER SENSOR [RL] B2720–62: CORNER SENSOR [RL] B2720–63: CORNER SENSOR [RL] B2720–65: CORNER SENSOR [RL] B2720–66: CORNER SENSOR [RL] B2720–67: CORNER SENSOR [RL] B2720–68: CORNER SENSOR [RL] B2720–83: CORNER SENSOR [RL] B2720–92: CORNER SENSOR [RL] B2721–60: CENTER SENSOR [RL] B2721–61: CENTER SENSOR [RL] B2721–62: CENTER SENSOR [RL] B2721–63: CENTER SENSOR [RL] B2721–65: CENTER SENSOR [RL] B2721–66: CENTER SENSOR [RL] B2721–67: CENTER SENSOR [RL] B2721–68: CENTER SENSOR [RL] B2721–83: CENTER SENSOR [RL] B2721–92: CENTER SENSOR [RL] B2722–60: CENTER SENSOR [RR] B2722–61: CENTER SENSOR [RR] B2722–62: CENTER SENSOR [RR] B2722–63: CENTER SENSOR [RR] B2722–65: CENTER SENSOR [RR] B2722–66: CENTER SENSOR [RR] B2722–67: CENTER SENSOR [RR] B2722–68: CENTER SENSOR [RR] B2722–83: CENTER SENSOR [RR] B2722–92: CENTER SENSOR [RR] B2723–60: CORNER SENSOR [RR] B2723–61: CORNER SENSOR [RR] B2723–62: CORNER SENSOR [RR] B2723–63: CORNER SENSOR [RR] B2723–65: CORNER SENSOR [RR] B2723–66: CORNER SENSOR [RR] B2723–67: CORNER SENSOR [RR] B2723–68: CORNER SENSOR [RR] B2723–83: CORNER SENSOR [RR] B2723–92: CORNER SENSOR [RR] B2724–23: SONAR CONTROL UNIT B2724–24: SONAR CONTROL UNIT B2724–44: SONAR CONTROL UNIT B2724–45: SONAR CONTROL UNIT B2724–46: SONAR CONTROL UNIT B2724–48: SONAR CONTROL UNIT B2724–49: SONAR CONTROL UNIT B2724–55: SONAR CONTROL UNIT B2724–86: SONAR CONTROL UNIT B2724–87: SONAR CONTROL UNIT B2729–60: CORNER SENSOR [FL] B2729–61: CORNER SENSOR [FL] B2729–62: CORNER SENSOR [FL] B2729–63: CORNER SENSOR [FL] B2729–65: CORNER SENSOR [FL] B2729–66: CORNER SENSOR [FL] B2729–67: CORNER SENSOR [FL] B2729–68: CORNER SENSOR [FL] B2729–83: CORNER SENSOR [FL] B2729–92: CORNER SENSOR [FL] B272A–60: CENTER SENSOR [FL] B272A–61: CENTER SENSOR [FL] B272A–62: CENTER SENSOR [FL] B272A–63: CENTER SENSOR [FL] B272A–65: CENTER SENSOR [FL] B272A–66: CENTER SENSOR [FL] B272A–67: CENTER SENSOR [FL] B272A–68: CENTER SENSOR [FL] B272A–83: CENTER SENSOR [FL] B272A–92: CENTER SENSOR [FL] B272B–60: CENTER SENSOR [FR] B272B–61: CENTER SENSOR [FR] B272B–62: CENTER SENSOR [FR] B272B–63: CENTER SENSOR [FR] B272B–65: CENTER SENSOR [FR] B272B–66: CENTER SENSOR [FR] B272B–67: CENTER SENSOR [FR] B272B–68: CENTER SENSOR [FR] B272B–83: CENTER SENSOR [FR] B272B–92: CENTER SENSOR [FR] B272C–60: CORNER SENSOR [FR] B272C–61: CORNER SENSOR [FR] B272C–62: CORNER SENSOR [FR] B272C–63: CORNER SENSOR [FR] B272C–65: CORNER SENSOR [FR] B272C–66: CORNER SENSOR [FR] B272C–67: CORNER SENSOR [FR] B272C–68: CORNER SENSOR [FR] B272C–83: CORNER SENSOR [FR] B272C–92: CORNER SENSOR [FR] B272D-12: FRONT BUZZER B272D-14: FRONT BUZZER

DTC Index

CONSULT Display	Reference Page
B2720–60: CORNER SENSOR [RL]	DTC Description
B2720–61: CORNER SENSOR [RL]
B2720–62: CORNER SENSOR [RL]
B2720–63: CORNER SENSOR [RL]
B2720–65: CORNER SENSOR [RL]
B2720–66: CORNER SENSOR [RL]
B2720–67: CORNER SENSOR [RL]
B2720–68: CORNER SENSOR [RL]
B2720–83: CORNER SENSOR [RL]
B2720–92: CORNER SENSOR [RL]
B2721–60: CENTER SENSOR [RL]	DTC Description
B2721–61: CENTER SENSOR [RL]
B2721–62: CENTER SENSOR [RL]
B2721–63: CENTER SENSOR [RL]
B2721–65: CENTER SENSOR [RL]
B2721–66: CENTER SENSOR [RL]
B2721–67: CENTER SENSOR [RL]
B2721–68: CENTER SENSOR [RL]
B2721–83: CENTER SENSOR [RL]
B2721–92: CENTER SENSOR [RL]
B2722–60: CENTER SENSOR [RR]	DTC Description
B2722–61: CENTER SENSOR [RR]
B2722–62: CENTER SENSOR [RR]
B2722–63: CENTER SENSOR [RR]
B2722–65: CENTER SENSOR [RR]
B2722–66: CENTER SENSOR [RR]
B2722–67: CENTER SENSOR [RR]
B2722–68: CENTER SENSOR [RR]
B2722–83: CENTER SENSOR [RR]
B2722–92: CENTER SENSOR [RR]
B2723–60: CORNER SENSOR [RR]	DTC Description
B2723–61: CORNER SENSOR [RR]
B2723–62: CORNER SENSOR [RR]
B2723–63: CORNER SENSOR [RR]
B2723–65: CORNER SENSOR [RR]
B2723–66: CORNER SENSOR [RR]
B2723–67: CORNER SENSOR [RR]
B2723–68: CORNER SENSOR [RR]
B2723–83: CORNER SENSOR [RR]
B2723–92: CORNER SENSOR [RR]
B2724–23: SONAR CONTROL UNIT	DTC Description
B2724–24: SONAR CONTROL UNIT
B2724–44: SONAR CONTROL UNIT
B2724–45: SONAR CONTROL UNIT
B2724–46: SONAR CONTROL UNIT
B2724–48: SONAR CONTROL UNIT
B2724–49: SONAR CONTROL UNIT
B2724–55: SONAR CONTROL UNIT
B2724–86: SONAR CONTROL UNIT
B2724–87: SONAR CONTROL UNIT
B2729–60: CORNER SENSOR [FL]	DTC Description
B2729–61: CORNER SENSOR [FL]
B2729–62: CORNER SENSOR [FL]
B2729–63: CORNER SENSOR [FL]
B2729–65: CORNER SENSOR [FL]
B2729–66: CORNER SENSOR [FL]
B2729–67: CORNER SENSOR [FL]
B2729–68: CORNER SENSOR [FL]
B2729–83: CORNER SENSOR [FL]
B2729–92: CORNER SENSOR [FL]
B272A–60: CENTER SENSOR [FL]	DTC Description
B272A–61: CENTER SENSOR [FL]
B272A–62: CENTER SENSOR [FL]
B272A–63: CENTER SENSOR [FL]
B272A–65: CENTER SENSOR [FL]
B272A–66: CENTER SENSOR [FL]
B272A–67: CENTER SENSOR [FL]
B272A–68: CENTER SENSOR [FL]
B272A–83: CENTER SENSOR [FL]
B272A–92: CENTER SENSOR [FL]
B272B–60: CENTER SENSOR [FR]	DTC Description
B272B–61: CENTER SENSOR [FR]
B272B–62: CENTER SENSOR [FR]
B272B–63: CENTER SENSOR [FR]
B272B–65: CENTER SENSOR [FR]
B272B–66: CENTER SENSOR [FR]
B272B–67: CENTER SENSOR [FR]
B272B–68: CENTER SENSOR [FR]
B272B–83: CENTER SENSOR [FR]
B272B–92: CENTER SENSOR [FR]
B272C–60: CORNER SENSOR [FR]	DTC Description
B272C–61: CORNER SENSOR [FR]
B272C–62: CORNER SENSOR [FR]
B272C–63: CORNER SENSOR [FR]
B272C–65: CORNER SENSOR [FR]
B272C–66: CORNER SENSOR [FR]
B272C–67: CORNER SENSOR [FR]
B272C–68: CORNER SENSOR [FR]
B272C–83: CORNER SENSOR [FR]
B272C–92: CORNER SENSOR [FR]
B272D-12: FRONT BUZZER	DTC Description
B272D-14: FRONT BUZZER	DTC Description
B2738-11: FRONT SENSOR POWER	DTC Description
B2738-12: FRONT SENSOR POWER
B2738-87: FRONT SENSOR POWER
B273B-11: REAR SENSOR POWER	DTC Description
B273B-12: REAR SENSOR POWER
B273B-87: REAR SENSOR POWER
U1000-01: CAN COMM CIRCUIT	DTC Description
U1010-49: CONTROL UNIT(CAN)	DTC Description

Diagnosis System (sonar Control Unit)

CONSULT Function CAUTION: After disconnecting the CONSULT vehicle interface (VI) from the data link connector, the ignition must be cycled OFF → ON (for at least 5 seconds) → OFF...

Sonar System :: Basic Inspection

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