2008 INFINITI FX35 turn signal

BCS-12
< SERVICE INFORMATION >
BCM (BODY CONTROL MODULE)
ITEMS OF EACH PART
BCM can perform the following functions for each system.
NOTE:
CONSULT-III displays systems equipped in the vehicle.
×:Applicable
NOTE:
 *1: Vehicle with remote keyless entry system display this item.
 *2: Vehicle with Intelligent Key system display this item.
 *3: This item is displayed, but does not function.
WORK SUPPORT
Display Item List
BCM Diagnostic test item Check item, diagnostic test mode Content
Inspection by part WORK SUPPORT Changes setting of each function.
SELF-DIAG RESULTS BCM performs self-diagnosis of CAN communication.
DATA MONITOR Displays the input data of BCM in real time.
CAN DIAG SUPPORT MNTR
The transmit/receive diagnosis result of CAN communication can be
read.
ACTIVE TEST Gives a drive signal to a load to check the operation.
ECU PART NUMBER ECM part number can be read.
CONFIGURATION (Not be used)
System and item CONSULT-III display Diagnostic test mode (Inspection by part)
WORK SUPPORT DATA MONITOR ACTIVE TEST
BCM BCM ×
Power door lock system DOOR LOCK ×××
Rear window defogger REAR DEFOGGER ××
Warning chime BUZZER ××
Room lamp timer INT LAMP ×××
Remote keyless entry system*
1MULTI REMOTE ENT ×××
Headlamp HEAD LAMP ×××
Wiper WIPER ×××
Turn signal lamp
Hazard lamp FLASHER
××
Blower fan switch signal
A/C switch signal AIR CONDITONER
×
Intelligent Key system*
2INTELLIGENT KEY ×
Combination switch COMB SW ×
NVIS IMMU ××
Room lamp battery saver BATTERY SAVER ×× ×
Trunk lid TRUNK*
3××
Vehicle security system THEFT ALM ×××
Retained power control RETAINED PWR ×××
Oil pressure swit ch SIGNAL BUFFER ××
Low tire pressure warning system AIR PRESSURE MONITOR ×××
Panic system PANIC ALARM ×
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BCM (BODY CONTROL MODULE)BCS-13
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
BCS
N
O P
SELF-DIAG RESULTS
U1000 CAN Communication CircuitINFOID:0000000001606767
1.PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result” of BCM.
Is
“CAN COMM CIRCUIT” displayed?
YES >> Refer to LAN-14, "Trouble Diagnosis Flow Chart".
NO >> Refer to GI-25, "
How to Perform Efficient Diagnosis for an Electrical Incident".
Removal and Installation of BCMINFOID:0000000001328613
REMOVAL
1. Remove the dash side finisher (LH). Refer to EI-38.
2. Disconnect BCM connector.
3. Remove bracket mounting screws (3) to remove BCM and fuse block with bracket.
Item Description
RESET SETTING VALUE Return a value set with WORK SUPPORT of each system to a default value in factory shipment.
DTC DTC Detection Condition Possible cause
U1000: CAN COMM CIRCUIT When BCM cannot communicate CAN com-
munication signal continuously for 2 sec-
onds or more. Any item (or items) of the following listed below is
malfunctioning in CAN communication system.
Transmission
 Receiving (ECM)
 Receiving (IPDM E/R)
 Receiving (METER/M&A)
 Receiving (I-KEY)
SKIA4964E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-38
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
NOTE:
Refer to BL-21, "
Component Parts and Harness Connector Location".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse, refer to PG-
3.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM connectors M4 terminals 42, 55 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace BCM power supply circuit.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connectors M4 terminals 49, 52 and
ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace BCM ground circuit.
Check Door SwitchINFOID:0000000001327803
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1.CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-III
Check door switches (“DOOR SW-DR”, “DOOR SW- AS”, “DOOR SW-RL” and “DOOR SW-RR”) in “DATA
MONITOR” mode with CONSULT-III. 42 (L/R) – Ground : Battery voltage
55 (G) – Ground : Battery voltage
PIIA6374E
49 (B) – Ground : Continuity should exist.
52 (B) – Ground : Continuity should exist.
PIIA6375E
Monitor item Condition
DOOR SW-DR
CLOSE → OFF
OPEN → ON
DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-40
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
NG >> Repair or replace harness.
3.CHECK DOOR SWITCH
Check continuity between door switch terminal 1 and ground part of
door switch.
OK or NG
OK >> Check door switch case ground condition.
NG >> Replace door switch.
CHECK BACK DOOR SWITCH
1.CHECK BACK DOOR SWITCH INPUT SIGNAL
With CONSULT-III
Check door switches (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
2.CHECK BACK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect back door switch connector.
Terminal Door switch condition Continuity
1 Ground part of door switch Pushed No
Released Yes
PIIA3351E
Monitor item Condition
BACK DOOR SW CLOSE
→ OFF
OPEN → ON
Item Connector Te r m i n a l
(Wire color) Back door
condition Voltage (V)
(Approx.)
(+) (-)
Back door switch B14 58 (L) Ground CLOSE
↓
OPEN 9
↓ 0
PIIA6473E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

POWER DOOR LOCK SYSTEMBL-43
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
1. Disconnect key switch connector.
2. Check continuity between key switch terminals 1 and 2.
OK or NG
OK >> Check the following.  15A fuse (No. 22, located in fuse and fusible link block)
 Harness for open or short between key switch and fuse
 Harness for open or short between BCM and key switch
NG >> Replace key switch or key switch and ignition knob switch.
Check Door Lock and Unlock SwitchINFOID:0000000001327805
1.CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL
With CONSULT-III
Check door lock and unlock switch (“CDL LOCK SW ” and “CDL UNLOCK SW”) in DATA MONITOR mode with
CONSULT-III.
 When door lock and unlock switch is turned to LOCK:
 When door lock and unlock switch is turned to UNLOCK:
Without CONSULT-III
1. Remove key from ignition key cylinder.
2. Check the signal between BCM connector M3 terminal 22 and ground with oscilloscope when door lock and unlock switch is turned “LOCK” or “UNLOCK”.
3. Make sure signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch
is turned “LOCK” or “UNLOCK”.
OK or NG
OK >> Door lock and unlock switch circuit is OK.
NG >> GO TO 2.
Terminal Condition of key switch Continuity
12 Key is inserted in IGN key cylinder. Yes
Key is removed from IGN key cylinder. No
PIIA2627E
CDL LOCK SW : ON
CDL UNLOCK SW : ON
Connector Te r m i n a l
(Wire color) Signal
(Reference value)
(+) (–)
M3 22 (OR) Ground
PIIA6379E
PIIA1297E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

POWER DOOR LOCK SYSTEMBL-45
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK >> Replace power window main switch or power window sub-switch.
NG >> Repair or replace harness.
Check Door Lock Actuator (Driver Side)INFOID:0000000001327806
1.CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and front door lock actuator (driver side) connector.
3. Check continuity between BCM connector M4 terminals 44, 50
and front door lock actuator (driver side) connector D10 termi-
nals 2, 3.
4. Check continuity between BCM connector M4 terminals 44, 50 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK OUTPUT SIGNAL
1. Connect BCM and door lock actuator (driver side) connector.
2. Check voltage between BCM connector M4 terminals 44, 50 and ground.
OK or NG
OK >> Check harness connection.
NG >> Replace BCM.
Check Door Lock Actuator (Pa ssenger Side and Rear LH/RH)INFOID:0000000001327807
1.CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect BCM and each door lo ck actuator connectors.
44 (Y) – 2 (GY) : Continuity should exist.
50 (PU) – 3 (PU) : Cont
inuity should exist.
44 (Y) – Ground : Continuity should not exist.
50 (PU) – Ground : Continuity should not exist.
PIIA6539E
Con-
nector Te r m i n a l
(Wire color) Condition Voltage (V)
(Approx.)
(+) (–)
M4 44
(Y)
Ground Driver door lock/unlock
switch is turned to UN-
LOCK.
0
→ Battery voltage → 0
50
(PU) Driver door lock/unlock
switch is turned to
LOCK.
0
→ Battery voltage → 0
PIIA6383E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-46
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
2. Check continuity between BCM connector M4 terminals 50, 51and front door lock actuator passenger side, rear door lock actu-
ator LH/RH connectors D40, D52, D72 terminals 2, 3.
3. Check continuity between BCM connector M4 terminals 50, 51 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK DOOR LOCK ACTUATOR SIGNAL
Check voltage between BCM connector M4 terminals 50, 51 and
ground.
OK or NG
OK >> Replace front door lock assembly (passenger side) or rear door lock actuator LH/RH.
NG >> Replace BCM.
Check Fuel Lid Lock ActuatorINFOID:0000000001327808
1.CHECK FUEL LID LOCK ACTUATOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and fuel lid lock actuator connector.
3. Check continuity between BCM connector M4 terminals 44, 50 and fuel lid lock actuator connector B70 terminals 1, 2.
4. Check continuity between BCM connector M4 terminals 44, 50 and ground.
OK or NG
50 (PU) – 3 (PU) : Cont inuity should exist.
51 (W/B) – 2 (L or Y) : Co ntinuity should exist.
50 (PU) – Ground : Continuity should not exist.
51 (W/B) – Ground : Continuity should not exist.
PIIA6540E
Con-
nector Te r m i n a l
(Wire color) Condition Voltage (V)
(Approx.)
(+) (–)
M4 50
(PU) Ground Door lock/unlock switch
is turned to LOCK.
0
→ Battery voltage → 0
51
(W/B) Door lock/unlock switch
is turned to UNLOCK.
0
→ Battery voltage → 0
PIIA6385E
44 (Y) – 2 (L) : Conti nuity should exist.
50 (PU) – 1 (PU) : Cont inuity should exist.
44 (Y) – Ground : Continui ty should not exist.
50 (PU) – Ground : Contin uity should not exist.
PIIA6386E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

POWER DOOR LOCK SYSTEMBL-47
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK >> Replace fuel lid lock actuator.
NG >> Repair or replace harness.
Check Front Door Key Cylinder Switch (Lock)INFOID:0000000001327809
1.CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)
With CONSULT-III
Check front door key cylinder switch LH (“KEY CYL LK SW”) in “DATA MONITOR” mode with CONSULT-III.
 When key cylinder switch is turned to “LOCK”.
Without CONSULT-III
Check voltage between power window main switch (door lock and
unlock switch) connector and ground.
OK or NG
OK >> Front door key cylinder switch ci rcuit driver side (lock) is OK.
NG >> GO TO 2.
2.CHECK FRONT DOOR KEY CYLINDER SWITCH
1. Disconnect front door key cylinder switch driver side connector.
2. Check continuity between front door key cylinder switch driver side terminals 1 and 5.
OK or NG
OK >> Check the following.  Front door key cylinder switch driver side ground circuit.
 Harness for open or short between power window main switch (door lock and unlock switch)and front door key cylinder switch driver side.
NG >> Replace front door key cylinder switch driver side.
Check Front Door Key Cylinder Switch (Unlock)INFOID:0000000001327810
1.CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL)
With CONSULT-III
Check front door key cylinder switch driver side (“KEY CYL UN-SW”) in “DATA MONITOR” mode with CON-
SULT-III.
 When key cylinder switch is turned to “UNLOCK”. KEY CYL LK-SW : ON
Connector
Terminal (Wire color)
Front door key cylinder
switch position Voltage (V)
(Approx.)
(+) (-)
D6 4 (P) Ground Neutral / Unlock 5
Lock 0
PIIA6203E
Terminal Front door key cylinder switch position Continuity
15 Neutral / Unlock No
Lock Yes
PIIA6543E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C