Nissan Frontier D22. Manual — part 223
WARNING CHIME
DI-41
C
D
E
F
G
H
I
J
L
M
A
B
DI
POWER SUPPLY AND GROUND CIRCUIT CHECK
Main Power Supply Circuit Check
●
Models without power door locks
If NG, check the following.
●
10A fuse [No. 5, located in the fuse block (J/B)]
●
Harness for open or short between warning chime unit and fuse
●
Models with power door locks
If NG, check the following.
●
7.5A fuse [No. 28, located in the fuse block (J/B)]
●
10A fuse [No. 5, located in the fuse block (J/B)]
●
Harness for open or short between smart entrance control unit and fuse(s)
Ground Circuit Check
●
Models without power door locks
●
Models with power door locks
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
1
Ground
0V
0V
Battery volt-
age
AEL617C
Terminals
Ignition switch position
(+)
(
−)
OFF
ACC
ON
Connector
Terminal
(wire color)
M111
27 (G/W)
Ground
0V
0V
Battery
voltage
M112
49 (R/Y)
Ground
Battery
voltage
Battery
voltage
Battery
voltage
LEL007A
Terminals
Continuity
8 - Ground
Yes
AEL619C
Terminals
Continuity
M111 - 43 (B) - Ground
Yes
M112 - 64 (B) - Ground
Yes
LEL008A
DI-42
WARNING CHIME
LIGHTING SWITCH INPUT SIGNAL CHECK
Models without Power Door Locks
1.
CHECK LIGHTING SWITCH INPUT SIGNAL
Check voltage between warning chime unit terminal 4 and ground.
OK or NG
OK
>> Lighting switch is OK.
NG
>> Check the following.
●
15A fuse (No. 39, located in the fuse and fusible link
box)
●
Harness for open or short between warning chime
unit and lighting switch
Models with Power Door Locks
1.
CHECK LIGHTING SWITCH INPUT SIGNAL
Check voltage between smart entrance control unit connector M112 terminal 58 (L/R) and ground.
OK or NG
OK
>> Lighting switch is OK.
NG
>> Check the following.
●
15A fuse (No. 39, located in the fuse and fusible link box)
●
Harness for open or short between smart entrance control unit and lighting switch
KEY SWITCH (INSERTED) CHECK
Models without Power Door Locks
1.
CHECK KEY SWITCH INPUT SIGNAL
Check voltage between warning chime unit terminal 5 and ground.
OK or NG
OK
>> Key switch is OK.
NG
>> GO TO 2.
Voltage (V) (Approx.):
Lighting switch position: 1ST or 2ND
: 12V
Lighting switch position: OFF
: 0V
AEL372B
WEL492A
Voltage [V] (Approx.):
Key is INSERTED
: 12V
Key is REMOVED
: 0V
AEL374B
WARNING CHIME
DI-43
C
D
E
F
G
H
I
J
L
M
A
B
DI
2.
CHECK KEY SWITCH (INSERTED)
Check continuity between terminals 1 and 2.
OK or NG
OK
>> Check the following.
●
7.5A fuse [No. 28, located in fuse block (J/B)]
●
Harness for open or short between key switch and
fuse
●
Harness for open or short between warning chime
unit and key switch
NG
>> Replace key switch.
Models with Power Door Locks
1.
CHECK KEY SWITCH INPUT SIGNAL
Check voltage between smart entrance control unit connector M111 terminal 25 (W/G) and ground.
OK or NG
OK
>> Key switch is OK.
NG
>> GO TO 2.
2.
CHECK KEY SWITCH (INSERTED)
Check continuity between terminals 1 and 2.
OK or NG
OK
>> Check the following.
●
7.5A fuse [No. 28, located in fuse block (J/B)]
●
Harness for open or short between key switch and
fuse
●
Harness for open or short between smart entrance
control unit and key switch
NG
>> Replace key switch.
Continuity:
Key is INSERTED
: Yes
Key is REMOVED
: No
AEL416B
LEL010A
Continuity:
Key is INSERTED
: Yes
Key is REMOVED
: No
AEL416B
DI-44
WARNING CHIME
SEAT BELT BUCKLE SWITCH LH CHECK
Models without Power Door Locks
1.
CHECK SEAT BELT BUCKLE SWITCH LH INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between warning chime unit terminal 2 and
ground.
OK or NG
OK
>> Seat belt buckle switch LH is OK.
NG
>> GO TO 2.
2.
CHECK SEAT BELT BUCKLE SWITCH LH
Check continuity between terminals 1 and 2 when seat belt is fas-
tened and unfastened.
OK or NG
OK
>> Check the following.
●
Seat belt buckle switch LH ground circuit
●
Harness for open or short between warning chime
unit and seat belt buckle switch LH
NG
>> Replace seat belt buckle switch LH.
Models with Power Door Locks
1.
CHECK SEAT BELT BUCKLE SWITCH LH INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between smart entrance control unit connector M111 terminal 28 (B/P) and ground.
OK or NG
OK
>> Seat belt buckle switch LH is OK.
NG
>> GO TO 2.
Voltage (V) (Approx.):
Seat belt is FASTENED.
: 12V
Seat belt is UNFASTENED.
: 0V
LKIA0156E
Continuity:
Seat belt is FASTENED.
: No
Seat belt is UNFASTENED.
: Yes
LKIA0157E
Voltage (V) (Approx.):
Seat belt is FASTENED.
: 12V
Seat belt is UNFASTENED.
: 0V
LKIA0150E
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