2004 INFINITI FX35 air condition

POWER DOOR LOCK SYSTEM
BL-51
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: 2004 November 2004 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)AIS004M5
1. CHECK DOOR LOCK ACTUATOR HARNESS
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-
nectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M444 (Y)
GroundDriver door lock/unlock
switch is turned to UNLOCK.0 → Battery voltage
50 (PU)Driver door lock/unlock
switch is turned to LOCK.0 → Battery voltage
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-52
POWER DOOR LOCK SYSTEM
Revision: 2004 November 2004 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 Opener Actuator AIS004M6
1. CHECK FUEL LID OPENER ACTUATOR HARNESS
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 actuator.
NG >> Repair or replace harness.
Con-
nectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M450 (PU)
GroundDoor lock/unlock switch
is turned to LOCK.0 → Battery voltage
51 (W/B)Door lock/unlock switch
is turned to UNLOCK.0 → Battery voltage
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

BL-74
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between door switch connector B26, B36, B46,
B206 terminals 1 and BCM connector M3, B14 terminals 62, 12,
63, 13.
4. Check continuity between door switch connector B26, B36, B46,
B206 terminal 1 and ground.
OK or NG
OK >> GO TO 3.
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.Driver side door
1 (W) – 62 (W) : Continuity should exist.
Passenger side door
1 (SB) – 12 (P/B) : Continuity should exist.
Rear door LH
1 (P) – 63 (P) : Continuity should exist.
Rear door RH
1 (P) – 13 (P/L) : Continuity should exist.
1 (W, SB, P) – Ground : Continuity should not exist.
PIIA7004E
Terminal Door switch condition Continuity
1 Ground part of door switchPushed No
Released Yes
PIIA3351E

REMOTE KEYLESS ENTRY SYSTEM
BL-75
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: 2004 November 2004 FX35/FX45
CHECK BACK DOOR SWITCH
1. CHECK BACK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and back door closure motor connector.
3. Check continuity between BCM connector B14 terminal 58 and
back door closure motor connector D109 terminal 7.
4. Check continuity between BCM connector B14 terminal 58 and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item Condition
BACK DOOR SWOPEN : ON
CLOSE : OFF
PIIA2488E
ConnectorTerminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B14 58 (L) GroundOPEN 0
CLOSE 9
PIIA6229E
58 (L) – 7 (L) : Continuity should exist.
58 (L) – Ground : Continuity should not exist.
PIIA6226E

BL-76
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
3. CHECK GROUND CIRCUIT
Check continuity between back door closure motor connector D109
terminal 8 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK BACK DOOR SWITCH
Check continuity between back door closure motor D109 terminals 7
and 8.
OK or NG
OK >> GO TO 5.
NG >> Replace back door closure motor.
5. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace BCM.8 (B) – Ground : Continuity should exist.
PIIA6170E
Terminals Back door condition Continuity
78Open Yes
Close No
PIIA9934E
58 (L) – Ground : Approx. 9V
PIIA6229E

INTELLIGENT KEY SYSTEM
BL-125
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: 2004 November 2004 FX35/FX45
2. KEY SWITCH POWER SUPPLY CIRCUIT INSPECTION
1. Remove mechanical key from ignition knob.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M22 terminal 3 (L/R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch power supply circuit.
3. KEY SWITCH OPERATION INSPECTION
Check continuity between key switch and ignition knob switch terminals 3 and 4.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch.
4. KEY SWITCH CIRCUIT INSPECTION
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminal 7 (B/W) and key switch and ignition
knob switch connector M22 terminal 4 (B/W).
3. Check continuity between key switch and ignition knob switch
connector M22 terminal 4 (B/W) and ground.
OK or NG
OK >> Replace Intelligent key unit.
NG >> Repair or replace harness between Intelligent Key unit
and key switch and ignition knob switch. 3 (L/R) - Ground : Battery voltage
PIIA6738E
Terminals Condition Continuity
3 – 4Key is inserted in ignition key cylinder. Yes
Key is removed from ignition key cylinder. No
PIIA6140E
7 (B/W) - 4 (B/W) : Continuity should exist.
4 (B/W) - Ground : Continuity should not exist.
PIIA6740E

BL-126
INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45
Check Key Switch (BCM Input)AIS004ND
1. KEY SWITCH POWER SUPPLY CIRCUIT INSPECTION
1. Turn ignition knob OFF position.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch con-
nector M22 terminal 3 (L/R) and ground.
OK or NG
OK >> GO TO 2.
NG >> Check harness between key switch and ignition knob
switch and fuse.
2. KEY SWITCH INSPECTION
Check continuity between key switch and ignition knob switch as fol-
lows.
OK or NG
OK >> GO TO 3.
NG >> Replace key switch and ignition knob switch.
3. KEY SWITCH SIGNAL CIRCUIT INSPECTION
1. Disconnect key switch and ignition knob switch connector and
BCM connector.
2. Check continuity between key switch and ignition knob switch
connector M22 terminal 4 (B/W) and BCM connector M3 termi-
nal 37 (B/W).
3. Check continuity between key switch and ignition knob switch
connector M22 terminal 4 (B/W) and ground.
OK or NG
OK >> Key switch (BCM input) circuit is OK.
NG >> Repair or replace harness between key switch and ignition knob switch and BCM.3 (L/R) – Ground : Battery voltage.
PIIA5093E
Terminals Condition Continuity
3 – 4Key is inserted in ignition key cylinder. Yes
Key is removed from ignition key cylinder. No
PIIA6140E
4 (B/W) – 37 (B/W) : Continuity should exist.
4 (B/W) – Ground : Continuity should not exist.
PIIA5095E

BL-128
INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45
4. IGNITION KNOB SWITCH CIRCUIT INSPECTION
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminal 27 (L/W) and key switch and igni-
tion knob switch connector M22 terminal 2 (L/W).
3. Check continuity between key switch and ignition knob switch
connector terminal 2 (L/W) and ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair or replace harness between Intelligent Key unit
and key switch and ignition knob switch.
Check Door SwitchAIS004NF
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1. DOOR SWITCH INPUT SIGNAL INSPECTION
1. Turn ignition knob LOCK position.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.27 (L/W) - 2 (L/W) : Continuity should exist.
2 (L/W) - Ground : Continuity should not exist.
PIIA6743E
Item ConnectorTerminals
(Wire color)Door
conditionVoltage (V)
(Approx.)
(+) (-)
Driver side
B1462 (W)
GroundCLOSE
↓
OPENBattery voltage
↓
0 Rear LH 63 (P)
Passenger side
M312 (P/B)
Rear RH 13 (P/L)
PIIA7003E