bcm INFINITI FX35 2005 Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2005, Model line: FX35, Model: INFINITI FX35 2005Pages: 4731, PDF Size: 60.13 MB
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![INFINITI FX35 2005 Service Manual LT-80
FRONT FOG LAMP
Revision: 2005 July 2005 FX
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 t](/img/42/57020/w960_57020-3968.png "INFINITI FX35 2005 Service Manual LT-80
FRONT FOG LAMP
Revision: 2005 July 2005 FX
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 t")
LT-80
FRONT FOG LAMP
Revision: 2005 July 2005 FX
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 37
to front fog lamp LH terminal 1,
through IPDM E/R terminal 36
to front fog lamp RH terminal 1.
Ground is supplied
to front fog lamp LH terminal 2
through grounds E21, E50 and E51,
to front fog lamp RH terminal 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 DescriptionAKS007CJ
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 UnitAKS0080V
Refer to LAN-30, "CAN Communication Unit" .
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FRONT FOG LAMP LT-83
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Terminals and Reference Values for BCMAKS007XP
Terminals and Reference Values for IPDM E/RAKS007CN
Terminal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
2 GY Combination switch input 5 ON Lighting, turn, wiper OFF
Wiper dial position 4
3 L/B Combination switch input 4 ON Lighting, turn, wiper OFF
Wiper dial position 4
4 PU/W Combination switch input 3
5 Y/R Combination switch input 2
6 SB Combination switch input 1
11 LG/R Ignition switch (ACC) ACC — Battery voltage
32 GY/R Combination switch output 5 ON Lighting, turn, wiper OFF
Wiper dial position 4
33 G Combination switch output 4 ON Lighting, turn, wiper OFF
Wiper dial position 4
34 W/B Combination switch output 3
35 W/G Combination switch output 2
36 W/R Combination switch output 1
38 W/L Ignition switch (ON) ON — Battery voltage
39 L CAN − H—— —
40 R CAN − L—— —
42 L/R Battery power supply OFF — Battery voltage
49 B Ground ON — Approx. 0V
52 B Ground ON — Approx. 0V
55 G Battery power supply OFF — Battery voltage
PKIB3468E
PKIB3469E
PKIB3470E
PKIB3471E
Termi- nal
No. Wire
color Signal
name Measuring condition
Reference value
Ignition
switch Operation or condition
36 W Front fog
lamp (RH) ONLighting switch must be in the 2ND position or AUTO position
(headlamp is ON) and front fog lamp switch must be ON. OFF Approx. 0V
ON Battery voltage
37 SB Front fog
lamp (LH) ONLighting switch must be in the 2ND position or AUTO position
(headlamp is ON) and front fog lamp switch must be ON. OFF Approx. 0V
ON Battery voltage
38 B Ground ON — Approx. 0V
48 L CAN − H— — —
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LT-84
FRONT FOG LAMP
Revision: 2005 July 2005 FX
How to Proceed With Trouble DiagnosisAKS007CO
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 7 9 , "
System Description" .
3. Perform Preliminary Check. Refer to LT- 8 4 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does front fog lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckAKS007CP
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES
Check for blown fuses.
Refer to LT- 8 1 , "
Wiring Diagram — F/FOG —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
49 R CAN − L— — —
60 B Ground ON — Approx. 0V
Te r m i -
nal
No. Wire
color Signal
name Measuring condition
Reference value
Ignition
switch Operation or condition
Unit Power source Fuse and fusible link No.
BCM Battery
M
22
Ignition switch ON or START position 1 Ignition switch ACC or ON position 6
IPDM E/R Battery 88
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FRONT FOG LAMP LT-85
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2. CHECK POWER SUPPLY CIRCUIT
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 harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or conector.
CONSULT-II Functions (BCM)AKS007CQ
Refer to LT- 1 8 , "CONSULT-II Functions (BCM)" in HEADLAMP.
CONSULT-II Functions (IPDM E/R)AKS00CM5
Refer to LT- 2 0 , "CONSULT-II Functions (IPDM E/R)" in HEADLAMP.
Terminal Ignition switch position
(+) (-) OFF ACC ON
Connector Terminal
(Wire color)
M3 11 (LG/R)
Ground Approx. 0V
Battery
voltage Battery
voltage
38 (W/L) Approx. 0V Approx. 0V Battery
voltage
M4 42 (L/R)
Battery
voltage Battery
voltage Battery
voltage
55 (G) Battery
voltage Battery
voltage Battery
voltage
PKIB5197E
Terminal Continuity
Connector Terminal (Wire color) Ground Yes
M4 49 (B)
52 (B)
PKIB3545E
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LT-86
FRONT FOG LAMP
Revision: 2005 July 2005 FX
Front Fog Lamp Does Not Illuminate (Both Sides)AKS007I9
1. CHECK COMBINATION SWITCH INPUT SIGNAL
With CONSULT-II
Select “BCM” on CONSULT-II. With “HEAD LAMP” data monitor,
make sure “FR FOG SW” turns ON-OFF linked with operation of
lighting switch.
Without CONSULT-II
Refer to LT- 11 5 , "
Combination Switch Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Check combination switch (lighting switch). Refer to LT-
11 5 , "Combination Switch Inspection" .
2. FRONT FOG LAMP ACTIVE TEST
With CONSULT-II
1. Select “IPDM E/R” on CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “LAMPS” on “SELECT TEST ITEM” screen.
3. Touch “FOG” screen.
4. Make sure front fog lamp operation.
Without CONSULT-II
1. Start auto active test. Refer to PG-24, "
Auto Active Test" .
2. Make sure front fog lamp operation.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
3. CHECK IPDM E/R
1. Select “IPDM E/R” on CONSULT-II, and select “DATA MONI- TOR” on “SELECT DIAG MODE” screen.
2. Make sure “FR FOG REQ” turns ON when lighting switch is in FOG position.
OK or NG
OK >> Replace IPDM E/R.
NG >> Replace BCM. Refer to BCS-16, "
Removal and Installa-
tion of BCM" .
When lighting switch is FOG
position : FR FOG SW ON
PKIA7598E
Front fog lamp should operate.
Front fog lamp should operate.
SKIA5774E
When lighting switch is FOG
position : FR FOG REQ ON
SKIA5898E
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TURN SIGNAL AND HAZARD WARNING LAMPS LT-91
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TURN SIGNAL AND HAZARD WARNING LAMPSPFP:26120
Component Parts and Harness Connector LocationAKS007O6
System DescriptionAKS007CW
TURN SIGNAL OPERATION
Power is supplied at all times
through 10A fuse [No. 20, located in fuse block (J/B)]
to rear combination lamp control unit terminal 1.
When ignition switch is in ON or START position, power is supplied
through 15A fuse [No. 1, located in fuse block (J/B)]
to BCM (body control module) terminal 38,
through 10A fuse [No. 14, located in fuse block (J/B)]
to combination meter terminal 7.
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 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.
LH Turn Signal Lamp
When the turn signal switch is moved to the left position, BCM output turn signal from BCM terminal 45, inter-
preting it as turn signal is ON.
PKIB3476E
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LT-92
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2005 July 2005 FX
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,
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TURN SIGNAL AND HAZARD WARNING LAMPS LT-93
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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 terminal 4.
Turn signal lamp turns ON
through front combination lamp terminal 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 terminal 4.
Turn signal lamp turns ON
through front combination lamp terminal 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
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LT-94
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2005 July 2005 FX
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 the CAN communication lines, and turns ON turn
signal indicator lamp with combination meter.
With power and input supplied, BCM controls the flashing of hazard warning lamps when key fob is used to
activate remote control entry system.
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
CAN Communication System DescriptionAKS007CX
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 UnitAKS0080W
Refer to LAN-30, "CAN Communication Unit" .
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TURN SIGNAL AND HAZARD WARNING LAMPS LT-99
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Terminals and Reference Values for BCMAKS007IB
Terminal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
2 GY Combination switch input 5 ON Lighting, turn, wiper OFF
Wiper dial position 4
3 L/B Combination switch input 4 ON Lighting, turn, wiper OFF
Wiper dial position 4
4 PU/W Combination switch input 3
5 Y/R Combination switch input 2
6 SB Combination switch input 1
11 LG/R Ignition switch (ACC) ACC — Battery voltage
29 G/Y Hazard switch signal OFF Hazard switch ON Approx. 0V
OFF Battery voltage
32 GY/R Combination switch output 5 ON Lighting, turn, wiper OFF
Wiper dial position 4
33 G Combination switch output 4 ON Lighting, turn, wiper OFF
Wiper dial position 4
34 W/B Combination switch output 3
35 W/G Combination switch output 2
36 W/R Combination switch output 1
38 W/L Ignition switch (ON) ON — Battery voltage
39 L CAN − H—— —
40 R CAN − L—— —
42 L/R Battery power supply OFF — Battery voltage
45 G/W Flasher output (left) ON Combination
switch Turn left
ON
46 BR/W Flasher output (right) ON Combination
switch Turn right
ON
PKIB3468E
PKIB3469E
PKIB3470E
PKIB3471E
SKIA3009J
SKIA3009J