2008 INFINITI FX35 Service Manual

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Page 3169 of 3924

INFINITI FX35 2008 Service Manual
FRONT FOG LAMPLT-67
< SERVICE INFORMATION >
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to BCM terminals 49 and 52
through grounds M35, M45 and M85,
to IPDM E/R terminals 38 and 60
through grounds E21, E

FRONT FOG LAMPLT-67
< SERVICE INFORMATION >
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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 s witch. 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, t he 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-4, "System Description".
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 OF F, 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-III.
CAN Communication System DescriptionINFOID:0000000001328329
CAN (Controller Area Network) is a serial communication li ne 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 UnitINFOID:0000000001328330
Refer to LAN-43, "CAN System Specification Chart".
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 3170 of 3924

INFINITI FX35 2008 Service Manual
LT-68
< SERVICE INFORMATION >
FRONT FOG LAMP
Wiring Diagram - F/FOG -
INFOID:0000000001328331
TKWM4303E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873

Page 3171 of 3924

INFINITI FX35 2008 Service Manual
FRONT FOG LAMPLT-69
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Terminal and Reference Value for BCMINFOID:0000000001328332
CAUTION:
Check combination switch system terminal wavef orm u

Page 3172 of 3924

INFINITI FX35 2008 Service Manual
LT-70
< SERVICE INFORMATION >
FRONT FOG LAMP
Terminal and Reference Value for IPDM E/R
INFOID:0000000001328333
Te r m i n a l No. Wire
color Signal name Measuring condition
Reference value
Ignitio

Page 3173 of 3924

INFINITI FX35 2008 Service Manual
FRONT FOG LAMPLT-71
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How to Proceed with Trouble DiagnosisINFOID:0000000001328334
1. Confirm the symptom or customer complaint.
2. Understand op

Page 3174 of 3924

INFINITI FX35 2008 Service Manual
LT-72
< SERVICE INFORMATION >
FRONT FOG LAMP
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair

Page 3175 of 3924

INFINITI FX35 2008 Service Manual
FRONT FOG LAMPLT-73
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2.FRONT FOG LAMP ACTIVE TEST
CONSULT-III ACTIVE TEST
1. Select “LAMPS” of IPDM E/R active test item.
2. With operating

Page 3176 of 3924

INFINITI FX35 2008 Service Manual
LT-74
< SERVICE INFORMATION >
FRONT FOG LAMP
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5.CHECK FRONT FOG LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity b

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