2006 INFINITI FX35 lock

POWER DOOR LOCK SYSTEM BL-45
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2006 December 2006 FX35/FX45
2. CHECK KEY SWITCH (WITH INTELLIGENT KEY)
1. Disconnect key switch and ignition knob switch connector.
2. Check continuity between key switch or key switch and ignition knob switch terminals 3 and 4.
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.
3. CHECK KEY SWITCH (WITHOUT INTELLIGENT KEY)
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.
Terminal Condition of key switch Continuity
34 Key is inserted in IGN key cylinder. Yes
Key is removed from IGN key cylinder. No
PIIA6140E
Terminal Condition of key switch Continuity
12 Key is inserted in IGN key cylinder. Yes
Key is removed from IGN key cylinder. No
PIIA2627E

BL-46
POWER DOOR LOCK SYSTEM
Revision: 2006 December 2006 FX35/FX45
Check Door Lock and Unlock SwitchNIS001MA
1. CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL
With CONSULT-II
Check door lock and unlock switch (“CDL LOCK SW” and “CDL
UNLOCK SW”) in DATA MONITOR mode with CONSULT-II.

When door lock and unlock switch is turned to LOCK:

When door lock and unlock switch is turned to UNLOCK:
Without CONSULT-II
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. CDL LOCK SW : ON
CDL UNLOCK SW : ON
PIIA6538E
Connector Terminal
(Wire color) Signal
(Reference value)
(+) (–)
M3 22 (OR) Ground
PIIA6379E
PIIA1297E

POWER DOOR LOCK SYSTEM BL-47
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2006 December 2006 FX35/FX45
2. CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM, power window main switch and front power window switch connectors.
3. Check continuity between BCM connector M3 terminal 22 and power window main switch (door lock and unlock switch) con-
nector D6 terminal 14.
4. Check continuity between power window main switch (door lock and unlock switch) connector D6 terminal 14 and ground.
5. Check continuity between BCM connector M3 terminal 22 and front power window switch (door lock and unlock switch) con-
nector D36 terminal 16.
6. Check continuity between front power window switch (door lock and unlock switch) connector D36 terminal 16 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness. 22 (OR) – 14 (Y) : Continuity should exist.
14 (Y) – Ground : Continuity should not exist.
PIIB0405E
22 (OR) – 16 (Y) : Continuity should exist.
16 (Y) – Ground : Continuity should not exist.
PIIB0406E

BL-48
POWER DOOR LOCK SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK DOOR LOCK AND UNLOCK SWITCH GROUND HARNESS

Check continuity between power window main switch (door lock
and unlock switch) connector D7 terminal 17 and ground.

Check continuity between power window sub-switch (front pas-
senger side) (door lock and unlock switch) connector D36 termi-
nal 11 and ground.
OK or NG
OK >> Replace power window main switch or power window sub-switch.
NG >> Repair or replace harness.
Check Door Lock Actuator (Driver Side)NIS001MB
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. 17 (B) – Ground : Continuity should exist.
PIIA6201E
11 (B) – Ground : Continuity should exist.
PIIA6202E
44 (Y) – 2 (GY) : Continuity should exist.
50 (PU) – 3 (PU) : Continuity should exist.
44 (Y) – Ground : Continuity should not exist.
50 (PU) – Ground : Continuity should not exist.
PIIA6539E

POWER DOOR LOCK SYSTEM BL-49
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2006 December 2006 FX35/FX45
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 (Passenger Side and Rear LH/RH)NIS001MC
1. CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect BCM and each door lock actuator connectors.
2. Check continuity between BCM connector M4 terminals 50, 51 and 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.
Con-
nector Terminal
(Wire color) Condition Voltage (V)
(Approx.)
(+) (–)
M4 44
(Y)
Ground Driver door lock/unlock
switch is turned to
UNLOCK. 0
→ Battery voltage → 0
50
(PU) Driver door lock/unlock
switch is turned to
LOCK. 0
→ Battery voltage → 0
PIIA6383E
50 (PU) – 3 (PU) : Continuity should exist.
51 (W/B) – 2 (L or Y) : Continuity should exist.
50 (PU) – Ground : Continuity should not exist.
51 (W/B) – Ground : Continuity should not exist.
PIIA6540E

BL-50
POWER DOOR LOCK SYSTEM
Revision: 2006 December 2006 FX35/FX45
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 Actuator NIS001MD
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
OK >> Replace fuel lid lock actuator.
NG >> Repair or replace harness.
Con-
nector Terminal
(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) : Continuity should exist.
50 (PU) – 1 (PU) : Continuity should exist.
44 (Y) – Ground : Continuity should not exist.
50 (PU) – Ground : Continuity should not exist.
PIIA6386E

POWER DOOR LOCK SYSTEM BL-51
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2006 December 2006 FX35/FX45
Check Front Door Key Cylinder Switch (Lock) NIS001ME
1. CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)
With CONSULT-II
Check front door key cylinder switch LH (“KEY CYL LK SW”) in
“DATA MONITOR” mode with CONSULT-II.

When key cylinder switch is turned to “LOCK”.
Without CONSULT-II
Check voltage between power window main switch (door lock and
unlock switch) connector and ground.
OK or NG
OK >> Front door key cylinder switch circuit 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. KEY CYL LK-SW : ON
PIIA6541E
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

BL-52
POWER DOOR LOCK SYSTEM
Revision: 2006 December 2006 FX35/FX45
Check Front Door Key Cylinder Switch (Unlock) NIS001MF
1. CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL)
With CONSULT-II
Check front door key cylinder switch driver side (“KEY CYL UN-SW”)
in “DATA MONITOR” mode with CONSULT-II.

When key cylinder switch is turned to “UNLOCK”.
Without CONSULT-II
Check voltage between main power window switch (door lock and
unlock switch) connector and ground.
OK or NG
OK >> Front door key cylinder switch circuit driver side (unlock) 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 5 and 6.
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. KEY CYL UN-SW : ON
PIIA6542E
Connector
Terminal (Wire color)
Front door key cylinder
switch position Voltage (V)
(Approx.)
(+) (-)
D6 6 (OR) Ground Neutral / Lock 5
Unlock 0
PIIA6205E
Terminal Front door key cylinder switch position Continuity
56 Neutral / Lock No
Unlock Yes
PIIA6544E