Nissan Titan A60. Manual — part 848
SEC-30
< DTC/CIRCUIT DIAGNOSIS >
KEY CYLINDER SWITCH
2. Check continuity between main power window and door lock/
unlock switch connector (A) D15 terminals 6, 7 and front door
lock assembly LH (key cylinder switch) connector (B) D14 termi-
nals 1, 6 and body ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> Repair or replace harness.
CREW CAB
CREW CAB : Description
INFOID:0000000006161591
The main power window and door lock/unlock switch detects condition of the door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
CREW CAB : Component Function Check
INFOID:0000000006161592
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check "KEY CYL LK-SW" AND "KEY CYL UN-SW" in DATA MONITOR mode for “POWER DOOR LOCK
SYSTEM” with CONSULT-III.
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
SEC-30, "CREW CAB : Diagnosis Procedure"
CREW CAB : Diagnosis Procedure
INFOID:0000000006161593
Regarding Wiring Diagram information, refer to
.
1.
CHECK DOOR KEY CYLINDER SWITCH LH
With CONSULT-III
Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in
DATA MONITOR mode with CONSULT–III. Refer to
BCS-16, "DOOR LOCK : CONSULT-III Function (BCM -
.
• When key inserted in front key cylinder is turned to LOCK:
• When key inserted in front key cylinder is turned to UNLOCK:
Connector
Terminals
Connector
Terminals
Continuity
A: Main
power win-
dow and
door lock/
unlock
switch
6
B: Front
door lock
assembly
LH (key
cylinder
switch)
1
Yes
7
6
Yes
6, 7
Ground
No
LIIA2360E
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
KEY CYL LK-SW
: ON
KEY CYLINDER SWITCH
SEC-31
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Without CONSULT-III
Check voltage between main power window and door lock/unlock switch connector D7 terminals 4, 6 and
ground.
Is the inspection result normal?
YES
>> Front door lock assembly LH (key cylinder switch) signal is OK.
NO
>> GO TO 2
2.
CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly LH (key cylinder switch).
3. Check continuity between front door lock assembly LH (key cyl-
inder switch) connector (A) D14 terminal 5 and body ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH LH
Check continuity between front door lock assembly LH (key cylinder
switch) terminals.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace front door lock assembly LH (key cylinder switch). Refer to
4.
CHECK DOOR KEY CYLINDER HARNESS
KEY CYL UN-SW
: ON
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
D7
4
Ground
Neutral/Unlock
5
Lock
0
6
Neutral/Lock
5
Unlock
0
LIIA1273E
Connector
Terminals
Continuity
D14
5 – Ground
Yes
WIIA0755E
Terminals
Condition
Continuity
1 – 5
Key is turned to UNLOCK or neutral.
No
Key is turned to LOCK.
Yes
5 – 6
Key is turned to LOCK or neutral.
No
Key is turned to UNLOCK.
Yes
LIIA1573E
SEC-32
< DTC/CIRCUIT DIAGNOSIS >
KEY CYLINDER SWITCH
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/
unlock switch connector (A) D7 terminals 4, 6 and front door
lock assembly LH (key cylinder switch) connector (B) D14 termi-
nals 1, 6 and body ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> Repair or replace harness.
Connector
Terminals
Connector
Terminals
Continuity
A: Main
power win-
dow and
door lock/
unlock
switch
4
B: Front
door lock
assembly
LH (key
cylinder
switch)
1
Yes
6
6
Yes
4, 6
Ground
No
WIIA0756E
HORN FUNCTION
SEC-33
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
HORN FUNCTION
Description
INFOID:0000000006161594
Perform answer-back for each operation with horn.
Component Function Check
INFOID:0000000006161595
1.
CHECK FUNCTION
1. Select "VEHICLE SECURITY HORN" in “ACTIVE TEST” mode with CONSULT-III.
2. Check the horn (high/low) operation.
Is the operation normal?
YES
>> Inspection End.
NO
>> Go to
.
Diagnosis Procedure
INFOID:0000000006161596
Regarding Wiring Diagram information, refer to
.
1.
CHECK HORN FUNCTION
Check horn function with horn switch
Do the horns sound?
YES
>> GO TO 2
NO
>> Go to
2.
CHECK HORN RELAY POWER SUPPLY
1. Turn ignition switch ON.
2. Perform “ACTIVE TEST”, "VEHICLE SECURITY HORN" with CONSULT-Ill.
3. Using an oscilloscope or analog voltmeter, check voltage
between horn relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 3
3.
CHECK HORN RELAY CIRCUIT
1. Turn ignition switch OFF.
Test item
Description
HORN
ON
Horn relay
ON (for 20 ms)
ALKIA0658ZZ
Horn relay
Ground
Test item
Voltage (V)
(Approx.)
Connector
Terminal
H-1
1
Ground
HORN
ON
Battery voltage
→ 0 → Battery voltage
Other than above
Battery voltage
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