Nissan X-Trail 32. Instruction — part 1921
SN-140
< ECU DIAGNOSIS INFORMATION >
[WITH PARK ASSIST]
SONAR CONTROL UNIT
PHYSICAL VALUES
Terminal
(Wire color)
Description
Condition
Standard
Reference value
(Approx.)
+
–
Signal name
Input/
Output
2
(Y)
13
(B)
Front buzzer pow-
er supply
Output
[Ignition switch ON]
—
0 V
6
(R)
22
(P)
Corner sensor sig-
nal rear LH
Input
[Ignition switch ON]
Shift position is in R posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
7
(V)
22
(P)
Center sensor sig-
nal rear RH
Input
[Ignition switch ON]
Shift position is in R posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
9
(G)
13
(B)
Rear buzzer drive
signal
Input
[Ignition switch ON]
When the distance be-
tween the sensor and ob-
stacle is approx 60 cm
(23.62 in).
—
NOTE:
• Voltage depends on volume.
• Cycle depends on distance be-
tween sensor and obstacle.
10
(SB)
13
(B)
Front buzzer drive
signal
Input
[Ignition switch ON]
When the distance be-
tween the sensor and ob-
stacle is approx 60 cm
(23.62 in).
—
NOTE:
• Voltage depends on volume.
• Cycle depends on distance be-
tween sensor and obstacle.
13
(B)
Groun
d
Ground
—
—
—
0 V
14
(BR)
13
(B)
Ignition power sup-
ply
Input
—
9.0 - 16.0 V
Battery voltage
15
(Y)
13
(B)
Rear buzzer power
supply
Output
[Ignition switch ON]
—
0 V
16
(V)
Groun
d
Sonar system
switch signal
Input
[Ignition switch ON]
While pressing the sonar
system switch.
2.0 V
2.0 V
Other than above.
12.0 V
12.0 V
SKIB8942E
SKIB8942E
JSNIA5232GB
JSNIA5232GB
SN
SONAR CONTROL UNIT
SN-141
< ECU DIAGNOSIS INFORMATION >
[WITH PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
17
(SB)
Groun
d
Sonar system
switch indicator
signal
Output
[Ignition switch ON]
Sonar system switch indi-
cator lamp is ON.
12.0 V
12.0 V
[Ignition switch ON]
Sonar system switch indi-
cator lamp is OFF.
0 V
0 V
18
(SB)
22
(P)
Rear sensor power
supply
Output
—
—
8.0 V
20
(G)
22
(P)
Center sensor sig-
nal rear LH
Input
[Ignition switch ON]
Shift position is in R posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
21
(LG)
22
(P)
Corner sensor sig-
nal rear RH
Input
[Ignition switch ON]
Shift position is in R posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
22
(P)
Groun
d
Rear sensor
ground
—
—
—
0 V
23
(P)
—
CAN–L
Input/
Output
—
—
—
24
(L)
—
CAN–H
Input/
Output
—
—
—
28
(BR)
36
(P)
Side sensor signal
front LH
Input
[Ignition switch ON]
Shift position is in D posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
29
(G)
36
(P)
Center sensor sig-
nal front LH
Input
[Ignition switch ON]
Shift position is in D posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
30
(V)
36
(P)
Corner sensor sig-
nal front RH
Input
[Ignition switch ON]
Shift position is in D posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
Terminal
(Wire color)
Description
Condition
Standard
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB8942E
SKIB8942E
SKIB8942E
SKIB8942E
SKIB8942E
SN-142
< ECU DIAGNOSIS INFORMATION >
[WITH PARK ASSIST]
SONAR CONTROL UNIT
Fail-Safe (Sonar Control Unit)
INFOID:0000000010792893
The sonar control unit controls as follows if it detects a malfunction in the sonar sensor:
• Obstacle detection function is stopped.
• Alarm display is displayed on the information display of combination meter.
• Parking Assist in parallel mode is stopped.
DTC Inspection Priority Chart
INFOID:0000000010792894
If multiple DTCs are detected simultaneously, check them one by one depending on the following DTC inspec-
tion priority chart.
36
(P)
Groun
d
Front sensor
ground
—
—
—
0 V
37
(W)
36
(P)
Corner sensor sig-
nal front LH
Input
[Ignition switch ON]
Shift position is in D posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
38
(LG)
36
(P)
Center sensor sig-
nal front RH
Input
[Ignition switch ON]
Shift position is in D posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
39
(R)
36
(P)
Side sensor signal
front RH
Input
[Ignition switch ON]
Shift position is in D posi-
tion.
Waveform ac-
cording to sen-
sor signal is
input
40
(SB)
36
(P)
Front sensor pow-
er supply
Output
—
—
8.0 V
Terminal
(Wire color)
Description
Condition
Standard
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB8942E
SKIB8942E
SKIB8942E
Priority
Detected items (DTC)
1
• U1000-01: CAN COMM CIRCUIT
• U1010-49: CONTROL UNIT (CAN)
SN
SONAR CONTROL UNIT
SN-143
< ECU DIAGNOSIS INFORMATION >
[WITH PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DTC Index
INFOID:0000000010792895
×
: Applicable
2
B2724-55: SONAR CONTROL UNIT
3
• B2720-12: CORNER SENSOR [RL]
• B2720-14: CORNER SENSOR [RL]
• B2720-55: CORNER SENSOR [RL]
• B2720-92: CORNER SENSOR [RL]
• B2721-12: CENTER SENSOR [RL]
• B2721-14: CENTER SENSOR [RL]
• B2721-55: CENTER SENSOR [RL]
• B2721-92: CENTER SENSOR [RL]
• B2722-12: CENTER SENSOR [RR]
• B2722-14: CENTER SENSOR [RR]
• B2722-55: CENTER SENSOR [RR]
• B2722-92: CENTER SENSOR [RR]
• B2723-12: CORNER SENSOR [RR]
• B2723-14: CORNER SENSOR [RR]
• B2723-55: CORNER SENSOR [RR]
• B2723-92: CORNER SENSOR [RR]
• B2725-12: REAR BUZZER
• B2725-14: REAR BUZZER
• B2728-11: LED
• B2728-12: LED
• B2728-14: LED
• B2729-12: CORNER SENSOR [FL]
• B2729-14: CORNER SENSOR [FL]
• B2729-55: CORNER SENSOR [FL]
• B2729-92: CORNER SENSOR [FL]
• B272A-12: CENTER SENSOR [FL]
• B272A-14: CENTER SENSOR [FL]
• B272A-55: CENTER SENSOR [FL]
• B272A-92: CENTER SENSOR [FL]
• B272B-12: CENTER SENSOR [FR]
• B272B-14: CENTER SENSOR [FR]
• B272B-55: CENTER SENSOR [FR]
• B272B-92: CENTER SENSOR [FR]
• B272C-12: CORNER SENSOR [FR]
• B272C-14: CORNER SENSOR [FR]
• B272C-55: CORNER SENSOR [FR]
• B272C-92: CORNER SENSOR [FR]
• B272D-12: FRONT BUZZER
• B272D-14: FRONT BUZZER
• B272E-12: SIDE SENSOR [FL]
• B272E-14: SIDE SENSOR [FL]
• B272E-55: SIDE SENSOR [FL]
• B272E-92: SIDE SENSOR [FL]
• B272F-12: SIDE SENSOR [FR]
• B272F-14: SIDE SENSOR [FR]
• B272F-55: SIDE SENSOR [FR]
• B272F-92: SIDE SENSOR [FR]
Priority
Detected items (DTC)
DTC
Display item
Reference
U1000-01
CAN COMM CIRCUIT
U1010-49
CONTROL UNIT (CAN)
B2720-12
CORNER SENSOR [RL]
SHORT-BAT
B2720-14
OPEN/SHORT-GND
B2720-55
CONFIG ERROR
B2720-92
SENSOR
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