Nissan Pathfinder (2009 year). Instruction — part 476
ILLUMINATION CONTROL SYSTEM
INL-9
< FUNCTION DIAGNOSIS >
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ILLUMINATION CONTROL SYSTEM
System Diagram
INFOID:0000000003938843
System Description
INFOID:0000000003938844
The illumination lamps operation is dependent upon the position of the lighting switch (combination switch).
When the lighting switch is placed in the 1ST or 2ND position (or if the auto light system is activated) the BCM
(body control module) receives input requesting the parking lamps to illuminate. This input is communicated to
the IPDM E/R (intelligent power distribution module engine room) via the CAN communication lines. The CPU
(central processing unit) of the IPDM E/R controls the tail lamp relay coil. When energized, this relay directs
power to the parking and illumination lamps, which then illuminate.
BATTERY SAVER CONTROL
When the lighting switch (combination switch) is in the 1ST or 2ND position and the ignition switch is turned
from ON or ACC to OFF, the battery saver control feature is activated. Under this condition, the illumination
lamps remain illuminated for 30 minutes unless the lighting switch position is changed. If the lighting switch
position is changed, then the illumination lamps are turned off after a 30 second delay. When the lighting
switch is turned from OFF to 1ST or 2ND position (or if auto light system is activated) after illumination lamps
have been turned off by the battery saver control, the illumination lamps illuminate again.
ALLIA0424GB
2009 Pathfinder
INL-10
< FUNCTION DIAGNOSIS >
ILLUMINATION CONTROL SYSTEM
Component Parts Location
INFOID:0000000003938845
Component Description
INFOID:0000000003938846
1.
IPDM E/R E122, E124
2.
Combination switch M28
3.
Combination meter M24
4.
Illumination control switch (built into
combination meter)
5.
BCM M18, M20 (view with instrument
panel removed)
WKIA4973E
Part name
Description
BCM
The BCM monitors the lighting switch position with the combina-
tion switch reading function. The BCM requests, via CAN com-
munication, that the IPDM E/R activate the tail lamp relay.
IPDM E/R
The IPDM E/R activates the tail lamp relay based on inputs re-
ceived from the BCM via the CAN communication network.
Combination meter (illumination control switch)
The illumination control switch is a part of the combination meter.
The combination meter controls illumination intensity by varying
ground to the illumination lamps based on the illumination control
switch position.
Combination switch
The combination switch provides input to the BCM about the light-
ing switch position.
2009 Pathfinder
DIAGNOSIS SYSTEM (BCM)
INL-11
< FUNCTION DIAGNOSIS >
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000004404641
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
1: With remote keyless entry system
2: With Intelligent Key
INT LAMP
Diagnosis mode
Function Description
WORK SUPPORT
Changes the setting for each system function.
SELF-DIAG RESULTS
Displays the diagnosis results judged by BCM. Refer to
.
CAN DIAG SUPPORT MNTR
Monitors the reception status of CAN communication viewed from BCM.
DATA MONITOR
The BCM input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from BCM.
ECU IDENTIFICATION
The BCM part number is displayed.
CONFIGURATION
• Enables to read and save the vehicle specification.
• Enables to write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
WORK SUPPORT
DATA MONITOR
ACTIVE TEST
BCM
BCM
×
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
1
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
Air conditioner
AIR CONDITONER
×
Intelligent Key system
2
INTELLIGENT KEY
×
Combination switch
COMB SW
×
Immobilizer
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door open
TRUNK
×
×
Theft alarm
THEFT ALM
×
×
×
RAP (retained accessory power)
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS (tire pressure monitoring sys-
tem)
AIR PRESSURE MONITOR
×
×
×
Vehicle security system
PANIC ALARM
×
2009 Pathfinder
INL-12
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
INT LAMP : CONSULT-III Function (BCM - INT LAMP)
INFOID:0000000004404642
WORK SUPPORT
* : Initial setting
DATA MONITOR
JPLIA0093GB
Work Item
Setting item
Setting
SET I/L D-UNLCK INTCON
ON*
With the interior room lamp timer function
OFF
Without the interior room lamp timer function
ROOM LAMP ON TIME SET
MODE 1
0.5 sec.
Sets the interior room lamp gradual brightening time.
MODE 2*
1 sec.
MODE 3
2 sec.
MODE 4
3 sec.
MODE 5
0 sec.
ROOM LAMP OFF TIME SET
MODE 1
0.5 sec.
Sets the interior room lamp gradual dimming time.
MODE 2
1 sec.
MODE 3
2 sec.
MODE 4*
3 sec.
MODE 5
0 sec.
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Ignition switch (ON) status judges from IGN signal (ignition power supply)
KEY ON SW [ON/OFF]
The switch status input from key switch
DOOR SW-DR [ON/OFF]
The switch status input from front door switch LH
DOOR SW-AS [ON/OFF]
The switch status input from front door switch RH
DOOR SW-RR [ON/OFF]
The switch status input from rear door switch RH
DOOR SW- RL [ON/OFF]
The switch status input from rear door switch LH
BACK DOOR SW [ON/OFF]
The switch status input from back door switch
KEY CYL LK-SW [ON/OFF]
Lock switch status input from door lock and unlock switch
KEY CYL UN-SW [ON/OFF]
Lock switch status input from door lock and unlock switch
CDL LOCK SW [ON/OFF]
Lock switch status input from door lock and unlock switch
CDL UNLOCK SW [ON/OFF]
Unlock switch status input from door lock and unlock switch
KEYLESS LOCK
1
[ON/OFF]
Lock signal status received from remote keyless entry receiver (integrated in the
BCM)
2009 Pathfinder
DIAGNOSIS SYSTEM (BCM)
INL-13
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1: With remote keyless entry
2: With Intelligent Key
ACTIVE TEST
BATTERY SAVER
BATTERY SAVER : CONSULT-III Function (BCM - BATTERY SAVER)
INFOID:0000000004404643
WORK SUPPORT
*: Initial setting
DATA MONITOR
KEYLESS UNLOCK
1
[ON/OFF]
Unlock signal status received from remote keyless entry receiver (integrated in the
BCM)
I-KEY LOCK
2
[ON/OFF]
Lock signal status received from Intelligent Key unit by CAN communication
I-KEY UNLOCK
2
[ON/OFF]
Unlock signal status received from Intelligent Key unit by CAN communication
Monitor Item
[Unit]
Description
Test Item
Operation
Description
INT LAMP
ON
Outputs the interior room lamp control signal to turn the interior room lamps ON.
OFF
Stops the interior room lamp control signal to turn the interior room lamps OFF.
IGN ILLUM
ON
Outputs the ignition keyhole illumination control signal to turn the ignition keyhole il-
lumination lamp ON.
OFF
Stops the ignition keyhole illumination control signal to turn the ignition keyhole illu-
mination lamp OFF.
STEP LAMP TEST
ON
Outputs the step lamp control signal to turn the step lamps ON.
OFF
Stops the step lamp control signal to turn the step lamps OFF.
LUGGAGE LAMP TEST
ON
Outputs the luggage lamp control signal to turn the luggage lamp ON.
OFF
Stops the luggage lamp control signal to turn the luggage lamp OFF.
Work Item
Setting Item
Setting
ROOM LAMP TIMER SET
MODE 1*
15 min.
Sets the interior room lamp battery saver timer operating
time.
MODE 2
30 min.
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Ignition switch (ON) status judges from IGN signal (ignition power supply)
KEY ON SW [ON/OFF]
The switch status input from key switch
DOOR SW-DR [ON/OFF]
The switch status input from front door switch (driver side)
DOOR SW-AS [ON/OFF]
The switch status input from front door switch (passenger side)
DOOR SW-RR [ON/OFF]
The switch status input from rear door switch RH
DOOR SW- RL [ON/OFF]
The switch status input from rear door switch LH
BACK DOOR SW [ON/OFF]
The switch status input from back door switch
KEY CYL LK-SW [ON/OFF]
Lock switch status input from door key cylinder switch
KEY CYL UN-SW [ON/OFF]
Unlock switch status input from door key cylinder switch
CDL LOCK SW [ON/OFF]
Lock switch status input from door lock and unlock switch
CDL UNLOCK SW [ON/OFF]
Unlock switch status input from door lock and unlock switch
I-KEY LOCK
1
[ON/OFF]
Lock signal status received from Intelligent Key unit by CAN communication
I-KEY UNLOCK
1
[ON/OFF]
Unlock signal status received from Intelligent Key unit by CAN communication
2009 Pathfinder
INL-14
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
1: With Intelligent Key
2: With remote keyless entry
ACTIVE TEST
*: Each lamp switch is in ON position.
KEYLESS LOCK
2
[ON/OFF]
Lock signal status received from remote keyless entry receiver (integrated in the
BCM)
KEYLESS UNLOCK
2
[ON/OFF]
Unlock signal status received from remote keyless entry receiver (integrated in the
BCM)
Monitor Item
[Unit]
Description
Test Item
Operation
Description
BATTERY SAVER
OFF
Cuts the interior room lamp power supply to turn interior room lamps OFF.
ON
Outputs the interior room lamp power supply to turn interior room lamps ON.*
2009 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
INL-15
< COMPONENT DIAGNOSIS >
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COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000004404644
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fuses and fusible link No.
57
Battery power supply
18 (10A)
70
G (50A)
11
Ignition ACC or ON
4 (10A)
38
Ignition ON or START
1 (10A)
Connector
Terminals
Power
source
Condition
Voltage (V) (Ap-
prox.)
(+)
(-)
M18
11
Ground
ACC
power
supply
Ignition
switch
ACC or
ON
Battery voltage
38
Ground
Ignition
power
supply
Ignition
switch ON
or START
Battery voltage
M20
57
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
70
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
LIIA2415E
BCM
Ground
Continuity
Connector
Terminal
M20
67
Yes
LIIA0915E
2009 Pathfinder
INL-16
< COMPONENT DIAGNOSIS >
BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
Description
INFOID:0000000003938851
Provides the battery saver output/power supply. Also cuts the power supply when the interior room lamp bat-
tery saver is activating.
Component Function Check
INFOID:0000000003938852
1.
CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION
CONSULT-III
1.
Turn ignition switch ON.
2.
Turn each interior room lamp ON.
-
Front room/map lamp assembly
-
Vanity lamps (if equipped)
-
Cargo lamp
-
Personal lamp 2nd row (with personal lamp 2nd row)
-
Room lamp 2nd row (without personal lamp 2nd row)
3.
Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.
4.
While operating the test item, check that each interior room lamp turns ON/OFF.
Is the inspection result normal?
YES
>> Battery saver output/power supply circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003938853
1.
CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT
CONSULT-III
1.
Turn ignition switch ON.
2.
Select “BATTERY SAVER” of BCM (BATTERY SAVER) active
test item.
3.
While operating the test item, check voltage between BCM con-
nector M20 terminal 56 and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Replace BCM. Refer to
BCS-59, "Removal and Installation"
2.
CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the following connectors.
-
BCM M20
-
Ignition keyhole illumination
-
Front room/map lamp assembly
-
Vanity lamp LH (if equipped)
-
Vanity lamp RH (if equipped)
-
Cargo lamp
-
Personal lamp 2nd row (with personal lamp 2nd row)
-
Room lamp 2nd row (without personal lamp 2nd row)
OFF
: Interior room lamp OFF
ON
: Interior room lamp ON
(+)
(-)
Test item
Voltage
Connector
Terminal
BATTERY SAVER
M20
56
Ground
OFF
0V
ON
Battery voltage
ALLIA0408GB
2009 Pathfinder
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