Infiniti G35 (V35). Manual — part 591
LT-44
DAYTIME LIGHT SYSTEM
32
GY
Combination switch output 5
ON
Lighting,
turn, wiper
switch
(Wiper
intermit-
tent dial
position 4)
OFF
Approx. 7.2 V
Front fog lamp
switch (Operates
only front fog lamp
switch)
Approx. 1.0 V
33
L
Combination switch output 4
ON
Lighting,
turn, wiper
switch
(Wiper
intermit-
tent dial
position 4)
OFF
Approx. 7.2 V
Lighting switch
AUTO
Approx. 1.2 V
34
PU
Combination switch output 3
ON
Lighting,
turn, wiper
switch
(Wiper
intermit-
tent dial
position 4)
OFF
Approx. 7.2 V
Lighting switch
2ND
Approx. 1.2 V
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
PKIB4960J
PKIB4956J
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
DAYTIME LIGHT SYSTEM
LT-45
C
D
E
F
G
H
I
J
L
M
A
B
LT
Terminals and Reference Values for IPDM E/R
NKS0027N
How to Proceed With Trouble Diagnosis
NKS0027O
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
35
Y/R
Combination switch output 2
ON
Lighting,
turn, wiper
switch
(Wiper
intermit-
tent dial
position 4)
OFF
Approx. 7.2 V
Any of the condi-
tions below
●
Lighting switch
2ND
●
Lighting switch
PASSING
(Operates only
PASSING
switch)
Approx. 1.2 V
38
W/L
Ignition switch (ON)
ON
—
Battery voltage
39
L
CAN - H
—
—
—
40
P
CAN - L
—
—
—
42
GY
Battery power supply
OFF
—
Battery voltage
52
B
Ground
ON
—
Approx. 0 V
55
W/R
Battery power supply
OFF
—
Battery voltage
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
PKIB4960J
PKIB4958J
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
36
W/G
Front fog lamp
(RH)
ON
Lighting switch must be in the 2ND position or
AUTO position (LOW beam is ON) and the front fog
lamp switch must be ON.
OFF
Approx. 0 V
ON
Battery voltage
37
SB
Front fog lamp
(LH)
ON
OFF
Approx. 0 V
ON
Battery voltage
38
B/R
Ground
ON
—
Approx. 0 V
48
L
CAN - H
—
—
—
49
P
CAN - L
—
—
—
60
B/R
Ground
ON
—
Approx. 0 V
LT-46
DAYTIME LIGHT SYSTEM
Preliminary Check
NKS0027P
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
Refer to
LT-39, "Wiring Diagram — DTRL —"
.
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
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Unit
Power source
Fuse and fusible link No.
BCM
Battery
F
18
Ignition switch ON or START position
1
Ignition switch ACC or ON position
6
IPDM E/R
Battery
88
(+)
(
−
)
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
PKIB5197E
BCM
connector
Terminal
Ground
Continuity
M2
52
Yes
PKIB5198E
DAYTIME LIGHT SYSTEM
LT-47
C
D
E
F
G
H
I
J
L
M
A
B
LT
CHECK PARKING BRAKE SWITCH CIRCUIT
1.
CHECK BRAKE INDICATOR
1.
Turn ignition switch ON.
2.
When parking brake is made ON/OFF, it checks whether the brake indicator lamp of combination meter
lights up/puts out the light.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between parking brake switch harness connector
and ground, when parking brake is released.
*1: with A/T, *2: with M/T
OK or NG
OK
>> GO TO 3
NG
>> Replace parking brake switch.
3.
CHECK PARKING BRAKE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect parking brake switch connector and combination
meter connector.
3.
Check continuity between combination meter harness connector
(A) M20 terminal 43 and parking brake switch harness connec-
tor (B) E110
*1
, B37
*2
terminal 1.
*1: with A/T, *2: with M/T
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
(+)
(
−
)
Condition
Voltage
Parking brake
switch connector
Terminal
E110
*1
,
B37
*2
1
Ground
Not released
Approx. 0 V
Released
Battery voltage
SKIA3117E
43 – 1
: Continuity should exist.
PKIC5976E
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