Infiniti M35/M45 Y50. Manual — part 914
FRONT FOG LAMP
LT-201
C
D
E
F
G
H
I
J
L
M
A
B
LT
TKWT4854E
LT-202
FRONT FOG LAMP
Terminals and Reference Values for BCM
NKS003R8
CAUTION:
●
Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.
●
Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to
Termi-
nal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
3
O/L
Combination
switch input 4
ON
Lighting, turn, wiper
switch
(Wiper dial position
4)
Front fog lamp switch
ON (Operates only front
fog lamp switch)
Approx. 0.8 V
OFF
Approx. 0 V
11
V
Ignition switch
(ACC)
ACC
—
Battery voltage
32
LG
Combination
switch output 5
ON
Lighting, turn, wiper
switch
(Wiper dial position
4)
Front fog lamp switch
ON (Operates only front
fog lamp switch)
Approx. 1.0 V
OFF
Approx. 7.0 - 7.5 V
37
LG
Key switch signal
OFF
Intelligent Key is inserted into key slot.
Battery voltage
Intelligent Key is removed from key slot.
Approx. 0 V
38
W
Ignition switch
(ON)
ON
—
Battery voltage
39
L
CAN
−
H
—
—
—
40
P
CAN
−
L
—
—
—
42
P
Battery power
supply
OFF
—
Battery voltage
52
B
Ground
ON
—
Approx. 0 V
55
W
Battery power
supply
OFF
—
Battery voltage
PKIB4955J
PKIB4956J
PKIB4960J
FRONT FOG LAMP
LT-203
C
D
E
F
G
H
I
J
L
M
A
B
LT
Terminals and Reference Values for IPDM E/R
NKS003R9
How to Perform Trouble Diagnoses
NKS003RA
1.
Confirm the symptom or customer complaint.
2.
Understand operation description and function description. Refer to
.
3.
Perform the Preliminary Check. Refer to
4.
Check symptom and repair or replace the cause of malfunction.
5.
Does the front fog lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6.
INSPECTION END
Preliminary Check
NKS003RB
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
62
V
Front door switch
driver side signal
OFF
Front door switch
driver side
ON (open)
Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0 V
Termi-
nal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
PKIB4960J
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
36
L/Y
Front fog lamp (LH)
ON
Lighting switch must be in
the 2ND position or AUTO
position (headlamp is ON)
Front fog lamp switch: OFF
Approx. 0 V
Front fog lamp switch: ON
Battery voltage
37
W/R
Front fog lamp (RH)
ON
Lighting switch must be in
the 2ND position or AUTO
position (headlamp is ON)
Front fog lamp switch: OFF
Approx. 0 V
Front fog lamp switch: ON
Battery voltage
38
B
Ground
ON
—
Approx. 0 V
49
L
CAN
−
H
—
—
—
50
P
CAN
−
L
—
—
—
51
B
Ground
ON
—
Approx. 0 V
Unit
Power source
Fuse and fusible link No.
BCM
Battery
F
21
Ignition switch ON or START position
1
Ignition switch ACC or ON position
6
IPDM E/R
Battery
71
88
78
LT-204
FRONT FOG LAMP
LT-198, "Wiring Diagram — F/FOG —"
OK or NG
OK
>> GO TO 2.
NG
>> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
PG-3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short between BCM and
fuse.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness ground circuit.
CONSULT-II Functions (BCM)
NKS003RC
Refer to
LT-57, "CONSULT-II Functions (BCM)"
in HEADLAMP (FOR USA) -XENON TYPE-.
Refer to
LT-23, "CONSULT-II Functions (BCM)"
in HEADLAMP (FOR USA) -CONVENTIONAL TYPE-.
Refer to
LT-94, "CONSULT-II Functions (BCM)"
in HEADLAMP (FOR CANADA).
CONSULT-II Functions (IPDM E/R)
NKS003RD
Refer to
LT-59, "CONSULT-II Functions (IPDM E/R)"
in HEADLAMP (FOR USA) -XENON TYPE-.
Refer to
LT-25, "CONSULT-II Functions (IPDM E/R)"
in HEADLAMP (FOR USA) -CONVENTIONAL TYPE-.
Refer to
LT-96, "CONSULT-II Functions (IPDM E/R)"
in HEADLAMP (FOR CANADA).
Terminal
Ignition switch position
(+)
(-)
OFF
ACC
ON
BCM
connector
Terminal
M1
11
Ground
Approx.
0 V
Battery
voltage
Battery
voltage
38
Approx.
0 V
Approx.
0 V
Battery
voltage
M2
42
Battery
voltage
Battery
voltage
Battery
voltage
55
Battery
voltage
Battery
voltage
Battery
voltage
PKIA5204E
BCM connector
Terminal
Ground
Continuity
M2
52
Yes
SKIB5125E
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