Infiniti M35/M45 Y50. Manual — part 869
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-21
C
D
E
F
G
H
I
J
L
M
A
B
LT
Terminals and Reference Values for IPDM E/R
NKS003O5
How to Perform Trouble Diagnoses
NKS003O6
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 headlamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6.
INSPECTION END
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
20 R
Headlamp
low
(RH)
ON
Lighting switch 2ND
position
OFF
Approx. 0 V
ON
Battery voltage
27
BR
Headlamp high (RH)
ON
Lighting switch HIGH or
PASSING position
OFF
Approx. 0 V
ON
Battery voltage
28
R/Y
Headlamp high (LH)
ON
Lighting switch HIGH or
PASSING position
OFF
Approx. 0 V
ON
Battery voltage
30 R/B
Headlamp
low
(LH)
ON
Lighting switch 2ND
position
OFF
Approx. 0 V
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
LT-22
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Preliminary Check
NKS003O7
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
LT-13, "Wiring Diagram — H/LAMP —"
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.
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
72
74
76
78
86
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
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-23
C
D
E
F
G
H
I
J
L
M
A
B
LT
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
CONSULT-II Functions (BCM)
NKS003O8
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
NOTE:
Cannot change the setting for headlamp.
CONSULT-II BASIC OPERATION
Refer to
GI-38, "CONSULT-II Start Procedure"
.
DATA MONITOR
Operation Procedure
1.
Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3.
Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on the “SELECT MONITOR ITEM” screen.
4.
When “SELECTION FROM MENU” is selected, touch individual items to be monitored. When “ALL SIG-
NALS” is selected, all the items will be monitored.
5.
Touch “START”.
6.
Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
BCM connector
Terminal
Ground
Continuity
M2
52
Yes
SKIB5125E
BCM diagnosis part
Diagnosis mode
Description
HEADLAMP
WORK SUPPORT
Changes the setting for each function.
NOTE
DATA MONITOR
Displays BCM input data in real time.
ACTIVE TEST
Operation of electrical loads can be checked by sending drive signal to them.
BCM
SELF-DIAG RESULTS
BCM performs self-diagnosis of CAN communication.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ALL SIGNALS
Monitors all the signals.
SELECTION FROM MENU
Selects items and monitor them.
Monitor item
Contents
IGN ON SW
“ON/OFF”
Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch signal.
ACC ON SW
“ON/OFF”
Displays “ACC (ON)/OFF, Ignition OFF (OFF)” status judged from ignition switch signal.
KEY ON SW
“ON/OFF”
Displays “Intelligent Key inserted into key slot (ON)/Intelligent Key removed from key slot
(OFF)” status judged from the key switch signal.
TURN SIGNAL R
“ON/OFF”
Displays status (turn right: ON/others: OFF) as judged from lighting switch signal.
TURN SIGNAL L
“ON/OFF”
Displays status (turn left: ON/others: OFF) as judged from lighting switch signal.
HI BEAM SW
“ON/OFF”
Displays status (high beam switch: ON/others: OFF) of high beam switch judged from lighting
switch signal.
LT-24
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
NOTE:
This item is displayed, but cannot be monitored.
ACTIVE TEST
Operation Procedure
1.
Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3.
Touch item to be tested and check operation of the selected item.
4.
During the operation check, touching “BACK” deactivates the operation.
Display Item List
NOTE:
This item is displayed, but cannot be tested.
HEAD LAMP SW 1
“ON/OFF”
Displays status (headlamp switch 1: ON/others: OFF) of headlamp switch 1 judged from light-
ing switch signal.
HEAD LAMP SW 2
“ON/OFF”
Displays status (headlamp switch 2: ON/others: OFF) of headlamp switch 2 judged from light-
ing switch signal.
TAIL LAMP SW
“ON/OFF”
Displays status (lighting switch 1ST or 2ND position: ON/others: OFF) of lighting switch judged
from lighting switch signal.
AUTO LIGHT SW
“ON/OFF”
Displays status of the lighting switch as judged from the lighting switch signal. (AUTO position:
ON/other than AUTO position: OFF)
PASSING SW
“ON/OFF”
Displays status (flash-to-passing switch: ON/others: OFF) of flash-to-passing switch judged
from lighting switch signal.
FR FOG SW
“ON/OFF”
Displays status (front fog lamp switch: ON/others: OFF) of front fog lamp switch judged from
lighting switch signal.
DOOR SW - DR
“ON/OFF”
Displays status of the driver door as judged from the driver door switch signal. (door is open:
ON/door is closed: OFF)
DOOR SW - AS
“ON/OFF”
Displays status of the passenger door as judged from the passenger door switch signal. (door
is open: ON/door is closed: OFF)
DOOR SW - RR
“ON/OFF”
Displays status of the rear door as judged from the rear door switch (RH) signal. (door is open:
ON/door is closed: OFF)
DOOR SW - RL
“ON/OFF”
Displays status of the rear door as judged from the rear door switch (LH) signal. (door is open:
ON/door is closed: OFF)
BACK DOOR SW
NOTE
“OFF”
—
I - KEY LOCK
“ON/OFF”
Displays “locked (ON)/other (OFF)” status, determined from lock signal.
OPTICAL SENSOR
“0 - 5V”
Displays “outside brightness (close to 5 V when light/close to 0 V when dark)” judged from
optical sensor signal.
VEHICLE SPEED
“km/h”
Displays vehicle speed as judged from vehicle speed signal.
Monitor item
Contents
Test item
Description
TAIL LAMP
Allows tail lamp relay to operate by switching ON-OFF.
FR FOG LAMP
Allows front fog lamp relay to operate by switching ON-OFF.
DAYTIME RUNNING LIGHT
NOTE
—
HEAD LAMP (HI, LO)
Allows headlamp relay to operate by switching ON-OFF.
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