Infiniti QX56 (JA60). Manual — part 876
SN
SONAR CONTROL UNIT FOR REAR SONAR SYSTEM
SN-29
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
ABNIA0082GB
SN-30
< ECU DIAGNOSIS >
SONAR CONTROL UNIT FOR REAR SONAR SYSTEM
DTC Index
INFOID:0000000005146209
Fault Code
Malfunction
Service Procedure
11
Rear sonar sensor LH outer
1.
Check harness for open or short.
2.
Replace sonar sensor. Refer to
.
12
Rear sonar sensor LH inner
13
Rear sonar sensor RH inner
14
Rear sonar sensor RH outer
21
Sonar buzzer
1.
Refer to
SN-17, "Diagnosis Procedure (With Rear Sonar
2.
Check harness for open or short.
3.
Refer to
.
22
Sonar system OFF indicator
1.
Refer to
SN-19, "Diagnosis Procedure (With Rear Sonar
2.
Check harness for open or short.
3.
Refer to symptom table.
23
Sonar system OFF switch
24
Sonar control unit
SN
SONAR CONTROL UNIT FOR FRONT AND REAR SONAR SYSTEM
SN-31
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SONAR CONTROL UNIT FOR FRONT AND REAR SONAR SYSTEM
Reference Value
INFOID:0000000005146210
SONAR CONTROL UNIT HARNESS TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR SONAR CONTROL UNIT
AWNIA1547ZZ
Terminal
(color)
Item
Condition
Reference value (V)
(Approx.)
Ignition
switch
Operation
1 (G/R)
Sonar control unit
power
ON
—
Battery voltage
2 (L)
Sonar buzzer drive
signal
ON
Object sensed
Battery voltage
3 (G/W)
Reverse signal
ON
Transmission gear selector lever in R posi-
tion
Battery voltage
Transmission gear selector lever not in R
position
0
4 (B)
Sonar control unit
ground
—
—
—
5 (BR/Y)
Sonar system OFF
indicator output
ON
Sonar system OFF
switch
ON
0
OFF
Battery voltage
6 (R)
Rear sonar buzzer
return
ON
—
0 - 12 (variable)
8 (G/W)
K-line
ON
—
—
9 (LG/B)
Rear sonar sensor
power
ON
Ignition switch ON
Battery voltage
11 (LG)
Sonar system OFF
switch signal
ON
Sonar system OFF
switch
ON
0
OFF
Battery voltage
12 (Y)
Rear sonar sensor
ground
ON
—
—
13 (LG)
Rear sonar sensor
signal - RH inner
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in R po-
sition
• Distance obstacles
Battery voltage
14 (O)
Rear sonar sensor
signal - LH inner
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in R po-
sition
• Distance obstacles
Battery voltage
15 (P)
Rear sonar sensor
signal - LH outer
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in R po-
sition
• No obstacles
Battery voltage
SN-32
< ECU DIAGNOSIS >
SONAR CONTROL UNIT FOR FRONT AND REAR SONAR SYSTEM
16 (GR)
Rear sonar sensor
signal - RH outer
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in R po-
sition
• No obstacles
Battery voltage
17 (LG/B)
Front sonar sensor
power
ON
Ignition switch ON
Battery voltage
18 (GR/R)
Park position signal
ON
Vehicle in PARK
12
19 (GR)
Front sonar sensor
signal - RH outer
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in a for-
ward drive gear
• Distance obstacles
Battery voltage
20 (LG)
Front sonar sensor
signal - RH inner
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in re-
verse or a forward drive gear
• No obstacles
Battery voltage
21 (W/R)
Vehicle speed signal
ON
Speedometer operated
[When vehicle speed is approx. 40 km/h (25
MPH)]
NOTE:
Maximum voltage may be 12V due
to specifications (connected units).
23 (R)
Front sonar buzzer
return
ON
—
0 - 12 (variable)
24 (P)
Front sonar sensor
signal - LH outer
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in re-
verse or a forward drive gear
• No obstacles
Battery voltage
25 (O)
Front sonar sensor
signal - LH inner
ON
• Sonar system OFF switch ON
• Transmission gear selector lever in a for-
ward drive gear
• Distance obstacles
Battery voltage
26 (Y)
Front sonar sensor
ground
ON
—
—
Terminal
(color)
Item
Condition
Reference value (V)
(Approx.)
Ignition
switch
Operation
PKIC0643E
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