Nissan Titan A60. Instruction — part 492
TRAILER TOW
EXL-23
< SYSTEM DESCRIPTION >
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TRAILER TOW
System Diagram
INFOID:0000000006179010
System Description
INFOID:0000000006179011
TRAILER TAIL LAMP OPERATION
The trailer tail lamps are controlled by the trailer tow relay 1 located in the IPDM E/R. With the combination
switch (lighting and turn signal switch) in the 1st position, the BCM detects the LIGHTING SWITCH 1ST POSI-
TION ON. The BCM sends a parking light ON request via the CAN communication lines to the IPDM E/R. The
IPDM E/R then activates the tail lamp relay which activates the trailer tow relay 1 and sends power to the
trailer connector.
TRAILER TURN SIGNAL LAMP OPERATION
The trailer turn signal lamps are controlled by the BCM. When the turn signal switch is in the LH or RH position
with the ignition switch ON, the combination switch (lighting and turn signal switch) sends a signal to the BCM.
The BCM detects the TURN RH or TURN LH ON request. The BCM sends a control signal to the respective
trailer turn relay which sends power to the trailer connector.
TRAILER HAZARD LAMP OPERATION
The trailer hazard lamps are controlled by the BCM. When the hazard switch is pressed, the BCM detects the
the hazard ON request. The BCM then sends a control signal to both trailer turn relays which sends power to
the trailer connector.
TRAILER BRAKE LAMP OPERATION
The trailer brake lamps are controlled by the BCM. When the brake pedal is depressed, the combination meter
receives a stop lamp switch signal from the stop lamp switch. The combination meter then sends the brake
signal to the BCM via the CAN communication lines. The BCM then sends a control signal to both trailer turn
relays which sends power to the trailer connector.
ABLIA2788GB
EXL-24
< SYSTEM DESCRIPTION >
TRAILER TOW
Component Parts Location
INFOID:0000000006179012
Component Description
INFOID:0000000006179013
1.
BCM M18, M19, M20 (view with instru-
ment panel removed)
2.
IPDM E/R E119, E122, E123, E124
3.
Combination meter M24
4.
Combination switch (lighting and turn
signal switch) M28
5.
Trailer tow relay 1 M51 (view with
steering member removed)
6.
Battery
7.
Trailer turn relay LH E158
8.
Trailer turn relay RH E159
9.
Trailer tow relay 2 E140
10. Stop lamp switch E38 (column shift),
E42 (floor shift)
AWLIA1772ZZ
Part name
Description
BCM
• Receives lighting and turn signal requests from combination
switch.
• Receives stop lamp signal requests from combination meter via
CAN communication.
• Sends lighting signal request to the IPDM E/R to control the tail
lamp relay via CAN communication.
• Sends turn/hazard/brake control signal to the trailer turn relays.
IPDM E/R
Activates the tail lamp relay upon request from the BCM via CAN
communication.
TRAILER TOW
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< SYSTEM DESCRIPTION >
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Combination meter
• Receives stop lamp switch signal from stop lamp switch.
• Sends stop lamp signal request to the BCM via CAN communi-
cation.
Combination switch (lighting and turn signal switch)
Outputs lighting and turn signal requests to the BCM.
EXL-26
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000006607768
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
HEADLAMP
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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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
HEADLAMP
×
×
×
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
×
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