Nissan Titan A60. Manual — part 861
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< DTC/CIRCUIT DIAGNOSIS >
SONAR BUZZER CIRCUIT INSPECTION
1. Disconnect the rear sonar buzzer connector.
2. Check resistance between rear sonar buzzer terminals 1 and 2.
1 - 2
: 50
Ω (+/- 10 Ω)
WKIA4417E
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SONAR SYSTEM OFF SWITCH CIRCUIT INSPECTION
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< DTC/CIRCUIT DIAGNOSIS >
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SONAR SYSTEM OFF SWITCH CIRCUIT INSPECTION
Description
INFOID:0000000006159214
The sonar system can be disabled by momentarily pressing the rear sonar system OFF switch. The sonar sys-
tem OFF indicator lamp will be illuminated when the sonar system is OFF. Enabling the sonar system will
cause the sonar system OFF indicator to go out. The indicator will flash if a malfunction exists in the system.
Diagnosis Procedure
INFOID:0000000006159215
Regarding Wiring Diagram information, refer to
1.
CHECK SONAR SYSTEM OFF SWITCH
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace sonar system OFF switch. Refer to
IP-17, "Removal and Installation"
2.
CHECK SONAR SYSTEM OFF SWITCH CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and sonar system OFF switch connector.
3. Check continuity between sonar control unit harness connector
(A) and sonar system OFF switch harness connector (B).
4. Check continuity between sonar system OFF switch harness
connector and ground.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000006159216
SONAR SYSTEM OFF SWITCH
1. Disconnect the sonar system OFF switch connector.
Connector
Terminal
Connector
Terminal
Continuity
B24 (A)
4
M117 (B)
5
Yes
13
1
AWNIA1577ZZ
Connector
Terminal
Continuity
M117
1, 5
Ground
No
2, 6
Yes
AWNIA1578ZZ
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< DTC/CIRCUIT DIAGNOSIS >
SONAR SYSTEM OFF SWITCH CIRCUIT INSPECTION
2. Check continuity between the following switch terminals.
SONAR SYSTEM OFF INDICATOR
1. Disconnect the sonar system OFF switch connector.
2. Apply battery voltage to switch terminal 5.
3. Check the sonar system OFF indicator operation when switch
terminal 6 is connected to battery ground.
Sonar system OFF switch
Terminals
Continuity
Depressed
1 - 2
Yes
Released
No
AWNIA0181ZZ
Terminals
Condition
Operation
Sonar system
OFF switch
5
Battery voltage
Indicator ON
6
Ground
AWNIA0182ZZ
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SONAR CONTROL UNIT FOR REAR SONAR SYSTEM
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< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
SONAR CONTROL UNIT FOR REAR SONAR SYSTEM
Reference Value
INFOID:0000000006159217
SONAR CONTROL UNIT TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR SONAR CONTROL UNIT
WKIA5222E
Terminal
(wire color)
Item
Condition
Reference value (V)
(Approx.)
Ignition
switch
Operation
3 (R)
Rear sonar buzzer
return
ON
—
0 - 12 (variable)
4 (BR/Y)
Sonar system OFF
indicator output
ON
Sonar system OFF
switch
ON
0
OFF
Battery voltage
5 (G/W)
Reverse signal
ON
Transmission gear se-
lector lever
R position
Battery voltage
Transmission gear se-
lector lever
Not R position
0
6 (B)
Sonar control unit
ground
—
—
0
7 (L)
Rear sonar buzzer
drive signal
ON
—
Battery voltage
8 (G/R)
Sonar control unit
power
ON
—
Battery voltage
9 (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
10 (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
11 (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
12 (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
13 (LG)
Sonar system OFF
switch signal
ON
Sonar system OFF
switch
ON
0
OFF
Battery voltage
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