Nissan Pathfinder (2005 year). Instruction — part 331
AUTO LIGHT SYSTEM
LT-53
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LT
2005 Pathfinder
How to Proceed With Trouble Diagnosis
EKS009KK
1.
Confirm the symptom or customer complaint.
2.
Understand operation description and function description. Refer to
.
3.
Carry out the Preliminary Check. Refer to
.
4.
Check symptom and repair or replace the cause of malfunction. Refer to
LT-60, "Trouble Diagnosis Chart
.
5.
Does the auto light system operate normally? If YES: GO TO 6. If NO: GO TO 4.
6.
Inspection End.
Preliminary Check
EKS009KL
SETTING CHANGE FUNCTIONS
●
Sensitivity of auto light system can be adjusted using CONSULT-II. Refer to
.
CHECK BCM CONFIGURATION
1.
CHECK BCM CONFIGURATION
Confirm BCM configuration for "AUTO LIGHT" is set to "WITH". Refer to
.
OK or NG
OK
>> Continue preliminary check. Refer to
LT-53, "CHECK POWER SUPPLY AND GROUND CIR-
.
NG
>> Change BCM configuration for "AUTO LIGHT" to "WITH". Refer to
.
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES OR FUSIBLE LINK
Check for blown fuses or fusible link.
Refer to
LT-48, "Wiring Diagram — AUTO/L —"
.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
4, "POWER SUPPLY ROUTING CIRCUIT"
.
56
L
Headlamp high (RH)
ON
Lighting switch
HIGH or PASS
position
OFF
0V
ON
Battery voltage
57
GR
Parking, license, and tail
lamp
ON
Lighting switch
1ST position
OFF
0V
ON
Battery voltage
59
B
Ground
ON
—
0V
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
(Approx.)
Ignition
switch
Operation or condition
Unit
Power source
Fuse No.
BCM
Battery
g
Ignition switch ON or START position
1
IPDM E/R
Battery
34
35
37
40
41
53
LT-54
AUTO LIGHT SYSTEM
2005 Pathfinder
2.
CHECK POWER SUPPLY CIRCUIT
1.
Disconnect BCM connectors.
2.
Check voltage between BCM harness connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open between BCM and fuse.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK
>> Inspection End.
NG
>> Check ground circuit harness.
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
Connector
Terminal
M18
38
Ground
0V
0V
Battery
voltage
M20
70
Battery
voltage
Battery
voltage
Battery
voltage
WKIA1436E
Terminals
Continuity
Connector
Terminal
M20
67
Ground
Yes
LIIA0915E
AUTO LIGHT SYSTEM
LT-55
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LT
2005 Pathfinder
CONSULT-II Function (BCM)
EKS009KM
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1.
With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, then turn igni-
tion switch ON.
2.
Touch "START (NISSAN BASED VHCL)".
3.
Touch "BCM" on "SELECT SYSTEM" screen.
If "BCM" is not indicated, go to
.
BCM diagnostic
test item
Diagnostic mode
Description
Inspection by part
WORK SUPPORT
Supports inspections and adjustments. Commands are transmitted to the BCM
for setting the status suitable for required operation, input/output signals are
received from the BCM and received data is displayed.
DATA MONITOR
Displays BCM input/output data in real time.
ACTIVE TEST
Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS
Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER
BCM part number can be read.
CONFIGURATION
Performs BCM configuration read/write functions.
BBIA0538E
BCIA0029E
BCIA0030E
LT-56
AUTO LIGHT SYSTEM
2005 Pathfinder
4.
Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
WORK SUPPORT
Operation Procedure
1.
Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
2.
Touch "WORK SUPPORT" on "SELECT DIAG MODE" screen.
3.
Touch "CUSTOM A/LIGHT SETTING" or "ILL DELAY SET" on "SELECT WORK ITEM" screen.
4.
Touch "START".
5.
Touch "MODE 1-4" of setting to be changed (CUSTOM A/LIGHT SETTING). Touch "MODE1-8" of setting
to be changed (ILL DELAY SET).
6.
Touch "CHANGE SETT".
7.
The setting will be changed and "CUSTOMIZING COMPLETED" will be displayed.
8.
Touch "END".
Work Support Setting Item
●
Sensitivity of auto light can be selected and set from four modes.
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.
Touch "START".
5.
When "SELECTION FROM MENU" is selected, touch individual items to be monitored. When "ALL SIG-
NALS" is selected, all the items will be monitored.
6.
Touch "RECORD" while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch "STOP".
Display Item List
LKIA0169E
Work item
Description
CUSTOM A/LIGHT SETTING
Auto light sensitivity can be changed in this mode. Sensitivity can be adjusted in four modes.
●
MODE 1 (Normal-default)/ MODE 2 (Desensitized)/MODE 3 (Sensitive)/MODE4 (Insensitive)
ILL DELAY SET
Auto light delay off timer period can be changed in this mode. Selects auto light delay off timer
period among eight modes.
●
MODE 1 (45 sec.)/MODE 2 (OFF)/MODE 3 (30 sec.)/MODE 4 (60 sec.)/MODE 5 (90 sec.)/
MODE 6 (120 sec.)/MODE 7 (150 sec.)/MODE 8 (180 sec.)
All signals
Monitors all the signals.
Selection from menu
Selects and monitors individual signal.
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.
AUTO LIGHT SYSTEM
LT-57
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2005 Pathfinder
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
HI BEAM SW
"ON/OFF"
Displays status (high beam switch: ON/Others: OFF) of high beam switch judged from
lighting switch signal.
HEAD LAMP SW 1
"ON/OFF"
Displays status (headlamp switch 1: ON/Others: OFF) of headlamp switch 2 judged from
lighting switch signal.
HEAD LAMP SW 2
"ON/OFF"
Displays status (headlamp switch 2: ON/Others: OFF) of headlamp switch 2 judged from
lighting switch signal.
LIGHT SW 1ST
"ON/OFF"
Displays status (lighting switch 1st 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-pass switch: ON/Others: OFF) of flash-to-pass 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
"ON/OFF"
Displays status of the back door as judged from the back door switch signal. (Door is
open: ON/Door is closed: OFF)
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.
CARGO LAMP SW
"ON/OFF"
Displays status of cargo lamp.
OPTICAL SENSOR
[0 - 5V]
Displays "ambient light (close to 5V when dark/close to 0V when light)" judged from opti-
cal sensor signal.
Monitor item
Contents
Test item
Description
TAIL LAMP
Allows tail lamp relay to operate by switching ON-OFF.
HEAD LAMP
Allows headlamp relay (HI, LO) to operate by switching ON-OFF.
FR FOG LAMP
Allows fog lamp relay to operate by switching ON-OFF.
CARGO LAMP
Allows cargo lamp to operate by switching ON-OFF.
LT-58
AUTO LIGHT SYSTEM
2005 Pathfinder
CONSULT-II Function (IPDM E/R)
EKS009KN
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1.
With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, then turn the
ignition switch ON.
2.
Touch "START (NISSAN BASED VHCL)".
3.
Touch "IPDM E/R" on "SELECT SYSTEM" screen.
If "IPDM E/R" is not displayed, go to
.
IPDM E/R diagnostic mode
Description
SELF-DIAG RESULTS
Displays IPDM E/R self-diagnosis results.
DATA MONITOR
Displays IPDM E/R input/output data in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST
Operation of electrical loads can be checked by sending drive signal to them.
BBIA0538E
BCIA0029E
BCIA0030E
AUTO LIGHT SYSTEM
LT-59
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LT
2005 Pathfinder
4.
Select the desired part to be diagnosed on the "SELECT DIAG
MODE" screen.
DATA MONITOR
Operation Procedure
1.
Touch "DATA MONITOR" on "SELECT DIAG MODE" screen.
2.
Touch "ALL SIGNALS", "MAIN SIGNALS" or "SELECTION FROM MENU" on the "SELECT MONITOR
ITEM" screen.
3.
Touch "START".
4.
Touch the required monitoring item on "SELECT ITEM MENU". In "ALL SIGNALS", all items are moni-
tored. In "MAIN SIGNALS", predetermined items are monitored.
5.
Touch "RECORD" while monitoring to record the status of the item being monitored. To stop recording,
touch "STOP".
All Items, Main Items, Select Item Menu
NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the dis-
play may not be correct.
ACTIVE TEST
Operation Procedure
1.
Touch "ACTIVE TEST" on "SELECT DIAG MODE" screen.
2.
Touch item to be tested, and check operation.
3.
Touch "START".
4.
Touch "STOP" while testing to stop the operation.
BCIA0031E
ALL SIGNALS
All items will be monitored.
MAIN SIGNALS
Monitor the predetermined item.
SELECTION FROM MENU
Select any item for monitoring.
Item name
CONSULT-II
screen display
Display or
unit
Monitor item selection
Description
ALL
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
Parking, license plate
and tail lamps request
TAIL&CLR REQ
ON/OFF
×
×
×
Signal status input from BCM
Headlamp low beam
request
HL LO REQ
ON/OFF
×
×
×
Signal status input from BCM
Headlamp high beam
request
HL HI REQ
ON/OFF
×
×
×
Signal status input from BCM
Front fog lamps request
FR FOG REQ
ON/OFF
×
×
×
Signal status input from BCM
LT-60
AUTO LIGHT SYSTEM
2005 Pathfinder
Trouble Diagnosis Chart by Symptom
EKS009KO
Lighting Switch Inspection
EKS009KP
1.
CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
Select "BCM" on CONSULT-II. With "HEAD LAMP" data monitor,
make sure "AUTO LIGHT SW" turns ON-OFF linked with operation
of lighting switch.
Without CONSULT-II
Refer to
LT-94, "Combination Switch Inspection"
.
OK or NG
OK
>> Inspection End.
NG
>> Check lighting switch. Refer to
.
Test item
CONSULT-II screen display
Description
Tail lamp relay output
TAIL LAMP
Allows tail lamp relay to operate by switching operation ON-OFF at
your option.
Headlamp relay (HI, LO) out-
put
LAMPS
Allows headlamp relay (HI, LO) to operate by switching operation
(OFF, HI, LO) at your option (Headlamp high beam repeats ON-OFF
every 1 second).
Front fog lamp relay output
Allows fog lamp relay to operate by switching operation ON-OFF at
your option.
Trouble phenomenon
Malfunction system and reference
●
Parking lamps and headlamps will not illuminate when out-
side of the vehicle becomes dark. (Lighting switch 1st posi-
tion and 2nd position operate normally.)
●
Parking lamps and headlamp will not go out when outside of
the vehicle becomes light. (Lighting switch 1st position and
2nd position operate normally.)
●
Headlamps go out when outside of the vehicle becomes
light, but parking lamps stay on.
●
Refer to
.
●
Refer to
LT-60, "Lighting Switch Inspection"
.
●
Refer to
LT-61, "Optical Sensor System Inspection"
.
If above systems are normal, replace BCM. Refer to
"Removal and Installation of BCM"
.
Parking lamps illuminate when outside of the vehicle becomes
dark, but headlamps stay off. (Lighting switch 1st position and
2nd position operate normally.)
●
Refer to
.
●
Refer to
LT-61, "Optical Sensor System Inspection"
.
If above systems are normal, replace BCM. Refer to
"Removal and Installation of BCM"
.
Auto light adjustment system will not operate. (Lighting switch
AUTO, 1st position and 2nd position operate normally.)
●
Refer to
LT-61, "Optical Sensor System Inspection"
.
If above system is normal, replace BCM. Refer to
.
Auto light adjustment system will not operate.
●
CAN communication line to BCM inspection. Refer to
"CAN Communication Inspection Using CONSULT-II (Self-Diagno-
sis)"
.
Shut off delay feature will not operate.
●
CAN communication line inspection between BCM and combina-
tion meter. Refer to
BCS-13, "CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)"
.
●
Refer to
.
If above system is normal, replace BCM. Refer to
.
When lighting switch is in
AUTO position
: AUTO LIGHT SW ON
SKIA4196E
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