Nissan Frontier. Manual — part 937
ILLUMINATION CONTROL SYSTEM
INL-75
< SYSTEM DESCRIPTION >
[WITHOUT POWER DOOR LOCKS]
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Component Parts Location
INFOID:0000000009480170
Component Description
INFOID:0000000009480171
1.
IPDM E/R E122, E124
2.
Combination switch (lighting and turn
signal switch) M28
3.
Combination meter M24
4.
Illumination control switch (built into
combination meter)
5.
BCM M18, M20 (view with lower instru-
ment panel LH removed)
WKIA5029E
Part name
Description
BCM
The BCM monitors the lighting switch position with the combina-
tion switch reading function. The BCM requests, via CAN commu-
nication, 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 (lighting and turn signal switch)
The combination switch (lighting and turn signal switch) provides
input to the BCM about the lighting switch position.
INL-76
< SYSTEM DESCRIPTION >
[WITHOUT POWER DOOR LOCKS]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010229282
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
INT LAMP
Direct Diagnostic Mode
Description
ECU Identification
The BCM part number is displayed.
Self Diagnostic Result
The BCM self diagnostic results are displayed.
Data Monitor
The BCM input/output data is displayed in real time.
Active Test
The BCM activates outputs to test components.
Work support
The settings for BCM functions can be changed.
Configuration
• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
System
Sub System
Direct Diagnostic Mode
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Co
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CA
N Diag
Su
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Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps FLASHER
×
×
Air conditioner
AIR CONDITIONER
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
AIR PRESSURE MONITOR
×
×
×
×
Panic alarm system
PANIC ALARM
×
DIAGNOSIS SYSTEM (BCM)
INL-77
< SYSTEM DESCRIPTION >
[WITHOUT POWER DOOR LOCKS]
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INT LAMP : CONSULT Function (BCM - INT LAMP)
INFOID:0000000010229283
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
* : Initial setting
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
KEY ON SW [On/Off]
Indicates condition of key switch.
DOOR SW-DR [On/Off]
Indicates condition of front door switch LH.
DOOR SW-AS [On/Off]
Indicates condition of front door switch RH.
DOOR SW-RR [On/Off]
Indicates condition of rear door switch RH.
DOOR SW-RL [On/Off]
Indicates condition of rear door switch LH.
KEY CYL LK-SW [On/Off]
Indicates condition of lock signal from door key cylinder switch.
KEY CYL UN-SW [On/Off]
Indicates condition of unlock signal from door key cylinder switch.
CDL LOCK SW [On/Off]
Indicates condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW [On/Off]
Indicates condition of unlock signal from door lock and unlock switch.
KEYLESS LOCK [On/Off]
Indicates condition of lock signal from keyfob.
KEYLESS UNLOCK [On/Off]
Indicates condition of unlock signal from keyfob.
Test Item
Description
IGN ILLUM
This test is able to check ignition keyhole illumination operation [Off/On].
INT LAMP
This test is able to check interior room lamp operation [Off/On].
Support Item
Setting
Description
SET I/L D-UNLCK INTCON
Off
Interior room lamp timer function OFF.
On*
Interior room lamp timer function ON.
ROOM LAMP ON TIME SET
MODE7
0 sec.
Sets the interior room lamp gradual brightening time.
MODE6
5 sec.
MODE5
4 sec.
MODE4
3 sec.
MODE3
2 sec.
MODE2*
1 sec.
MODE1
0.5 sec.
ROOM LAMP OFF TIME SET
MODE7
0 sec.
Sets the interior room lamp gradual dimming time.
MODE6
5 sec.
MODE5
4 sec.
MODE4
3 sec.
MODE3
2 sec.
MODE2*
1 sec.
MODE1
0.5 sec.
INL-78
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT POWER DOOR LOCKS]
INTERIOR ROOM LAMP
DTC/CIRCUIT DIAGNOSIS
INTERIOR ROOM LAMP
Diagnosis Procedure
INFOID:0000000009480174
Regarding Wiring Diagram information, refer to
INL-95, "Wiring Diagram - Without Power Door Lock System"
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Fuse
• Interior room lamp bulbs
1.
CHECK INTERIOR ROOM LAMP POWER SUPPLY
Check voltage between interior room lamp connectors and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair the harness or connectors.
2.
CHECK INTERIOR ROOM LAMP GROUND
1. Turn ignition switch OFF.
2. Disconnect BCM connectors M18, M19, room lamp 2nd row connector R10 and front room/map lamp
connector R9.
3. Check continuity between interior room lamp connectors and ground while opening/closing the door.
Is the inspection result normal?
YES
>> Replace the interior room lamp. Refer to
INL-63, "Removal and Installation"
NO
>> GO TO 3
3.
CHECK DOOR SWITCHES
Check the door switches. Refer to
INL-79, "Component Inspection (Door Switch)"
Is the inspection result normal?
YES
>> • Crew cab models, repair the harness or connectors between the interior room lamp and the
door switches.
• King cab models, GO TO 4
NO
>> Replace the door switch.
4.
CHECK DOOR SWITCH GROUND (KING CAB)
Component
(+)
(-)
Voltage
Connector
Terminal
Room lamp 2nd row
R10
2
Ground
Battery voltage
Front room/map lamp
R9
1
Component
(+)
(-)
Door states
Continuity
Connector
Terminal
Room lamp 2nd row
R10
1
Ground
Open
Yes
Closed
No
Front room/map lamp
R9
2
Open
Yes
Closed
No
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