2006 INFINITI FX35 relay

LT-68
AUTO LIGHT SYSTEM
Revision: 2006 December 2006 FX35/FX45
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 “OFF” deactivates the operation.
Display Item List
NOTE: 1. Vehicles without daytime light lamp system display this item, but cannot be tested.
2. This item is displayed, but cannot be tested.
CONSULT-II Functions (IPDM E/R)NKS002WN
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
Refer to GI-38, "CONSULT-II Start Procedure" .
DATA MONITOR
Operation Procedure
1. Touch “DATA MONITOR” on “SELECT DIAG MODE ” screen.
2. Touch “ALL SIGNALS”, “MAIN SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR” screen.
3. Touch the required monitoring item on “SELECTION FROM MENU”. In “ALL SIGNALS”, all items are monitored. In “MAIN SIGNALS”, predetermined items are monitored.
4. Touch “START”.
5. Touch “RECORD” while monitoring to record the status of the item being monitored. To stop recording, touch “STOP”.
All Signals, Main Signals, Selection From Menu
Test item Description
TAIL LAMP Allows tail lamp relay to operate by switching ON-OFF.
HEAD LAMP Allows headlamp relay to operate by switching ON-OFF.
FR FOG LAMP Allows fog lamp relay to operate by switching ON-OFF.
DTRL
NOTE 1Allows day time light lamp operate by switching ON-OFF.
CORNERING LAMP
NOTE 2—
Check Item, Diagnosis Mode Description
SELF-DIAGNOSTIC RESULTS Refer to PG-19, "
SELF-DIAG RESULTS" .
DATA MONITOR The input/output data of IPDM E/R is displayed in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST IPDM E/R sends a drive signal to electronic components to check their operation.
ALL SIGNALS Monitors all items.
MAIN SIGNALS Monitor the predetermined item.
SELECTION FROM MENU Selects items and monitors them.
Item name CONSULT-II
screen display Display
or unit Monitor item selection
Description
ALL
SIGNALS MAIN
SIGNALS SELECTION
FROM MENU
Position lights 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 lights request FR FOG REQ ON/OFF ×× ×Signal status input from BCM

AUTO LIGHT SYSTEM LT-69
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NOTE:
Perform monitoring of IPDM E/R data with ignition switch ON. When ignition switch is at ACC, the display 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.
Symptom ChartNKS002WO
Lighting Switch InspectionNKS002WP
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- 1 2 0 , "
Combination Switch Inspection" .
OK or NG
OK >> INSPECTION END
NG >> Check combination switch (lighting switch). Refer to LT-
120, "Combination Switch Inspection" .
Te s t i t e m CONSULT-II
screen display Description
Headlamp relay (HI, LO) output LAMPS Allows headlamp relay (HI, LO) to operate by switching operation (OFF, HI ON,
LO ON) at your option (Head lamp 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.
Tail lamp relay output TAIL LAMP Allows tail lamp relay to operate by switching operation ON-OFF at your option.
Trouble phenomenon Malfunction system and reference

Parking, license plate, side marker and tail lamps and
headlamps will not illuminate when outside of the vehicle
becomes dark. (Lighting switch 1ST position and 2ND posi-
tion operate normally.)

Parking, license plate, side marker and tail lamps and
headlamp will not go out when outside of the vehicle
becomes light. (Lighting switch 1ST position and 2nd posi-
tion operate normally.)

Headlamps go out when outside of the vehicle becomes
light, but parking lamps stay on.

Refer to LT- 6 6 , "WORK SUPPORT" .

Refer to LT- 6 9 , "Lighting Switch Inspection" .

Refer to LT- 7 0 , "Optical sensor System Inspection" .
If above systems are normal, replace BCM.
Shut off delay feature will not operate.

CAN communication line inspection between BCM and combina-
tion meter. Refer to BCS-14, "
CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)" .

Refer to BL-40, "Check Door Switch" .
If above system is normal, replace BCM.
When lighting switch is AUTO
position : AUTO LIGHT SW ON
PKIA7595E

LT-78
FRONT FOG LAMP
Revision: 2006 December 2006 FX35/FX45
FRONT FOG LAMPPFP:26150
Component Parts and Harness Connector LocationNKS002WW
System DescriptionNKS002WX
Control of the front fog lamps is dependent upon the position of the combination switch (lighting switch). The
lighting switch must be in the 2ND position or AUTO position (headlamp is ON) for front fog lamp opera-
tion.When the lighting switch is placed in the front fog lamp on position the BCM (body control module)
receives input signal requesting the front fog lamps to illuminate. When the headlamps are illuminated, this
input signal is communicated to the IPDM E/R (intelligent power distribution module engine room) through the
CAN communication lines. The CPU (central processing unit) located in the IPDM E/R controls the front fog
lamp relay coil. When activated, this relay directs power to the front fog lamps.
OUTLINE
Power is supplied at all times

to ignition relay, located in IPDM E/R, from battery direct,

through 15A fuse (No. 88, located in IPDM E/R)

to front fog lamp relay, located in IPDM E/R,

through 15A fuse (No. 78, located in IPDM E/R)

to CPU located in IPDM E/R,

through 10A fuse (No. 71, located in IPDM E/R)

to CPU located in IPDM E/R.
Power is also supplied at all times

through 50A fusible link (letter M, located in fuse, fusible link and relay box)

to BCM terminal 55,

through 15A fuse [No. 22, located in fuse block (J/B)]

to BCM terminal 42.
When ignition switch is in ON or START position, power is supplied

through 15A fuse [No. 1, located in fuse block (J/B)]
PKIB3475E

FRONT FOG LAMP LT-79
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to BCM terminal 38.
When ignition switch is in ACC or ON position, power is supplied

through 10A fuse [No. 6, located in fuse block (J/B)]

to BCM terminal 11.
Ground is supplied

to BCM terminals 49 and 52

through grounds M35, M45 and M85,

to IPDM E/R terminals 38 and 60

through grounds E21, E50 and E51.
FRONT FOG LAMP OPERATION
The front fog lamp switch is built into combination switch. The lighting switch must be in the 2ND position or
AUTO position (headlamp is ON) and the front fog lamp switch must be ON for front fog lamp operation.
With the front fog lamp switch in the ON position, the CPU located in the IPDM E/R grounds the coil side of the
front fog lamp relay. The front fog lamp relay then directs power

through IPDM E/R terminal 36

to front fog lamp RH terminal 1,

through IPDM E/R terminal 37

to front fog lamp LH terminal 1.
Ground is supplied

to front fog lamp RH and LH terminals 2

through grounds E21, E50 and E51.
With power and grounds supplied, front fog lamps illuminate.
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
EXTERIOR LAMP BATTERY SAVER CONTROL
When the combination switch (lighting switch) is in the 2ND position (ON), the front fog lamp switch is ON, and
the ignition switch is turned from ON or ACC to OFF, the battery saver control feature is activated.
Under this condition, the front fog lamps (and headlamps) remain illuminated for 5 minutes, then the front fog
lamps (and headlamps) are turned off.
Exterior lamp battery saver control mode can be changed by the function setting of CONSULT-II.
CAN Communication System DescriptionNKS002WY
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication UnitNKS002WZ
Refer to LAN-32, "CAN Communication Unit" .

TURN SIGNAL AND HAZARD WARNING LAMPS LT-91
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Connected from BCM terminal 45 to front combination lamp LH terminal 4.
Turn signal lamp turns ON

through front combination lamp LH terminal 8

to grounds E21, E50 and E51.
Connected from BCM terminal 45 to rear combination lamp control unit terminal 4.
Rear turn signal (LED) turns ON

through rear combination lamp control unit terminal 11

to rear combination lamp LH terminal 3,

through rear combination lamp LH terminal 4

to rear combination lamp control unit terminal 10.
BCM sends signal to the unified meter and A/C amp. through CAN communication lines, and turns ON turn
signal indicator lamp with combination meter.
When rear turn signal lamp (LED) does not turn ON, rear combination lamp control unit sends signal to combi-
nation meter. And then unified meter and A/C amp. ends turn LED burnout status signal to BCM through CAN
communication lines for speeding up turn signal blinking.
RH Turn Signal Lamp
When the turn signal switch is moved to right position, BCM output turn signal from BCM terminal 46, interpret-
ing it as turn signal is ON.
Connected from BCM terminal 46 to front combination lamp RH terminal 4.
Turn signal lamp turns ON

through front combination lamp RH terminal 8

to grounds E21, E50 and E51.
Connected form BCM terminal 46 to rear combination lamp control unit terminal 5.
Rear turn signal (LED) turns ON

through rear combination lamp control unit terminal 9

to rear combination lamp RH terminal 3,

through rear combination lamp RH terminal 4

to rear combination lamp control unit terminal 8.
BCM sends signal to the unified meter and A/C amp. through CAN communication lines, and turns ON turn
signal indicator lamp with combination meter.
When rear turn signal lamp (LED) does not turn ON, rear combination lamp control unit sends signal to combi-
nation meter. And then unified meter and A/C amp. ends turn LED burnout status signal to BCM through CAN
communication lines for speeding up turn signal blinking.
HAZARD LAMP OPERATION
Power is supplied at all times

through 50A fusible link (letter M, located in fuse, fusible link and relay box)

to BCM terminal 55,

through 10A fuse [No. 19, located in fuse block (J/B)]

to combination meter terminal 8,

through 10A fuse [No. 20, located in fuse block (J/B)]

to rear combination lamp control unit terminal 1.
Ground is supplied

through BCM terminals 49 and 52

to grounds M35, M45 and M85,

through rear combination lamp control unit terminal 7

to grounds E21, E50 and E51,

through combination meter terminals 5, 6 and 15

to grounds M35, M45 and M85.
When hazard switch is depressed, ground is supplied

to hazard switch terminal 2

through BCM terminal 29,

LT-92
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2006 December 2006 FX35/FX45

to grounds M35, M45 and M85

through hazard switch terminal 1.
When the hazard switch is depressed, BCM output turn signal from BCM terminals 45 and 46, interpreting it as
turn signal is ON.
Connected from BCM terminal 45 and 46 to front combination lamp RH and LH terminals 4.
Turn signal lamp turns ON

through front combination lamp RH and LH terminals 8

to grounds E21, E50 and E51.
Connected form BCM terminals 45 and 46 to rear combination lamp control unit terminals 4 and 5.
Rear turn signal (LED) turns ON

through rear combination lamp control unit terminal 11

to rear combination lamp LH terminal 3,

through rear combination lamp LH terminal 4

to rear combination lamp control unit terminal 10,

through rear combination lamp control unit terminal 9

to rear combination lamp RH terminal 3,

through rear combination lamp RH terminal 4

to rear combination lamp control unit terminal 8.
BCM sends signal to the unified meter and A/C amp. through CAN communication lines, and turns ON turn
signal indicator lamp with combination meter.
When rear turn signal lamp (LED) does not turn ON, rear combination lamp control unit sends signal to combi-
nation meter. And then unified meter and A/C amp. ends turn LED burnout status signal to BCM through CAN
communication lines for speeding up turn signal blinking.
REMOTE CONTROL ENTRY SYSTEM OPERATION
Power is supplied at all times

through 50A fusible link (letter M, located in fuse, fusible link and relay box)

to BCM terminal 55,

through 10A fuse [No. 19, located in fuse block (J/B)]

to combination meter terminal 8,

through 10A fuse [No. 20, located in fuse block (J/B)]

to rear combination lamp control unit terminal 1.
Ground is supplied

to BCM terminals 49 and 52

through grounds M35, M45 and M85,

to rear combination lamp control unit terminal 7

through grounds E21, E50 and E51,

to combination meter terminals 5, 6 and 15

through grounds M35, M45 and M85.
When the remote control entry system is triggered by input from key fob, BCM output turn signal from BCM
terminals 45 and 46, interpreting it as turn signal is ON.
Connected from BCM terminals 45 and 46 to front combination lamp RH and LH terminals 4.
Turn signal lamp turns ON

through front combination lamp RH and LH terminals 8

to grounds E21, E50 and E51.
Connected form BCM terminals 45 and 46 to rear combination lamp control unit terminals 4 and 5.
Rear turn signal (LED) turns ON

through rear combination lamp control unit terminal 11

to rear combination lamp LH terminal 3,

through rear combination lamp LH terminal 4

to rear combination lamp control unit terminal 10,

through rear combination lamp control unit terminal 9

PARKING, LICENSE PLATE AND TAIL LAMPS LT-133
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PARKING, LICENSE PLATE AND TAIL LAMPSPFP:26550
Component Parts and Harness Connector LocationNKS003GZ
System DescriptionNKS003H0
Control of the parking, license plate, side marker and tail lamp operation is dependent upon the position of the
lighting switch (combination switch). When the lighting switch is placed in the 1ST position, the BCM (body
control module) receives input signal requesting the parking, license plate, side marker and tail lamps to illumi-
nate. This input signal is communicated to the IPDM E/R (intelligent power distribution module engine room)
through the CAN communication lines. CPU (central processing unit) located in the IPDM E/R controls the tail
lamp relay coil. This relay, when energized, directs power to the parking, license plate, side marker and tail
lamps, which then illuminate.
The current that flows by Rear combination lamp control unit is controlled, and a tail lamp (LED) is made to
turn ON.
OUT LINE
Power is supplied at all times

through 10A fuse (No. 71, located in IPDM E/R)

to tail lamp relay, located in IPDM E/R and

to CPU located in IPDM E/R,
PKIC9694E

LT-134
PARKING, LICENSE PLATE AND TAIL LAMPS
Revision: 2006 December 2006 FX35/FX45

through 15A fuse (No. 78, located in IPDM E/R)

to CPU located in IPDM E/R.
Power is also supplied at all times

through 50A fusible link (letter M, located in fuse, fusible link and relay box)

to BCM terminal 55,

through 15A fuse [No. 22, located in fuse block (J/B)]

to BCM terminal 42,

through 10A fuse [No. 20, located in fuse block (J/B)]

to rear combination lamp control unit terminal 1,

through 10A fuse [No. 19, located in fuse block (J/B)]

to combination meter terminal 8 and

to unified meter and A/C amp. terminal 21.
With ignition switch in ON or START position, power is supplied

through ignition relay, located in IPDM E/R, from battery direct,

through 15A fuse [No. 1, located in fuse block (J/B)]

to BCM terminal 38,

through 10A fuse [No. 12, located in fuse block (J/B)]

to combination meter terminal 7 and

to unified meter and A/C amp. terminal 22.
With ignition switch in ACC or ON position, power is supplied

through 10A fuse [No. 6, located in fuse block (J/B)]

to BCM terminal 11.
Ground is supplied

to BCM terminals 49 and 52

through grounds M35, M45 and M85,

to IPDM E/R terminals 38 and 60

through grounds E21, E50 and E51,

to rear combination lamp control unit terminal 7

through grounds E21, E50 and E51,

to combination meter terminals 5, 6 and 15

through grounds M35, M45 and M85,

to unified meter and A/C amp. terminals 29 and 30

through grounds M35, M45 and M85.
OPERATION BY LIGHTING SWITCH
With the lighting switch in the 1ST or 2ND position (or if the auto light system is activated), the BCM receives
input signal requesting the parking, license plate, side marker and tail lamps to illuminate. This input signal is
communicated to the IPDM E/R through the CAN communication lines. The CPU located in the IPDM E/R
controls the tail lamp relay coil, which when energized, directs power.

through IPDM E/R terminal 22

to front side marker lamp LH terminal 1

to parking lamp LH terminal 2

to license plate lamp LH terminal 1

to rear combination lamp LH terminal 1

to rear combination lamp control unit terminal 2

to front side marker lamp RH terminal 1

to parking lamp RH terminal 2

to license plate lamp RH terminal 1 and

to rear combination lamp RH terminal 1.
Ground is supplied at all times