key INFINITI FX35 2005 Repair Manual

BL-74
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2005 July 2005 FX
Check Door SwitchAIS004MM
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1. CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR
SW-RL” and “DOOR SW-RR”) in “DATA MONITOR” mode with
CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
Monitor item Condition DATA MONITOR
DOOR SW-DR CLOSE ↓
OPEN: OFF
↓
ON
DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
Item Connector Terminals
(Wire color) Door
condition Voltage (V)
(Approx.)
(+) (-)
Driver side B14 62 (W)
Ground CLOSE
↓
OPEN Battery voltage
↓0
Rear LH 63 (P)
Passenger side M3 12 (P/B)
Rear RH 13 (P/L)
PIIA6469E
PIIA7003E

REMOTE KEYLESS ENTRY SYSTEM BL-75
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2005 July 2005 FX
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 switch Pushed No
Released Yes
PIIA3351E

BL-76
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2005 July 2005 FX
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 DATA MONITOR
BACK DOOR SW OPEN
↓
CLOSE ON
↓
OFF
PIIA2488E
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
B14 58 (L) Ground OPEN 0
CLOSE 9
PIIA6229E
58 (L) – 7 (L) : Continuity should exist.
58 (L) – Ground : Continuity should not exist.
PIIA6226E

REMOTE KEYLESS ENTRY SYSTEM BL-77
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2005 July 2005 FX
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
78 Open Yes
Close No
PIIA9934E
58 (L) – Ground : Approx. 9V
PIIA6229E

BL-78
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2005 July 2005 FX
Check Key SwitchAIS004MN
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check ignition key switch “KEY ON SW” in “DATA MONITOR” mode
with CONSULT-II.

When key is inserted in ignition key cylinder

When key is removed from ignition key cylinder
Without CONSULT-II
Check voltage between BCM connector M3 terminal 37 (B/W) and
ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2.
2. CHECK KEY SWITCH
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 block (J/B)]

Harness for open or short between key switch and fuse

Harness for open or short between BCM and key switch
NG >> Replace key switch. KEY ON SW : ON
KEY ON SW : OFF
PIIA6470E
Condition of ignition key cylinder Voltage (V)
Approx.
Key is inserted Battery voltage
Key is removed 0
PIIA6471E
Terminal Key switch condition Continuity
12 Key is inserted in IGN key cylinder. Yes
Key is removed from IGN key cylinder No
PIIA2627E

REMOTE KEYLESS ENTRY SYSTEM BL-79
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2005 July 2005 FX
Check Remote Keyless Entry ReceiverAIS0069Y
1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check remote keyless entry receiver connector M78 terminal 2 (L) and ground signal with oscilloscope.
OK or NG
OK >> Remote keyless entry receiver circuit is OK.
NG >> GO TO 2.
2. CHECK REMOTE KEYLESS ENTRY RECEIVER INPUT VOLTAGE
1. Disconnect remote keyless entry receiver connector.
2. Check voltage between remote keyless entry receiver connector M78 terminal 4 (R) and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
Connector Terminal
(Wire color) Condition
of keyfob Voltag e
(Reference value)
(+) (–)
M78 2 Ground No function
Any button is pressed
PIIB1375E
OCC3879D
OCC3880D
4 (Y) – Ground : Approx. 4.5V
PIIB3953E

BL-80
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2005 July 2005 FX
3. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between remote keyless entry receiver connector M78 terminal 4 (R) and BCM connec- tor M1 terminal 19 (R).
3. Check continuity between remote keyless entry receiver connector M78 terminal 4 (R) and ground.
OK or NG
OK >> Check harness connection.

If it is OK, replace BCM.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace the harness.
4. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
1. Check continuity between remote keyless entry receiver con- nector M78 terminal 1 (B) and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
1. Check continuity between remote keyless entry receiver con- nector M78 terminal 1 (B) and BCM connector M1 terminal 18
(B)
OK or NG
OK >> Check harness connection.

If it is OK, replace BCM.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace the harness. 4 (R) – 19 (R) : Continuity should exist.
4 (R) – Ground : Continuity should not exist.
PIIA9630E
1 (B) – Ground : Continuity should exist.
PIIB1376E
1 (B) – 18 (B) : Continuity should exist.
PIIB3952E

REMOTE KEYLESS ENTRY SYSTEM BL-81
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2005 July 2005 FX
6. CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT
1. Check continuity between remote keyless entry receiver connector M78 terminal 2 (Y) and BCM connec- tor M1 terminal 20 (Y).
2. Check continuity between remote keyless entry receiver connector M78 terminal 2 (Y) and ground.
OK or NG
OK >> Check harness connection.

If it is OK, replace remote keyless entry receiver.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace harness. 2 (Y) – 20 (Y) : Continuity should exist.
2 (Y) – Ground : Continuity should not exist.
PIIA9633E

BL-82
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2005 July 2005 FX
Check IPDM E/R OperationAIS004MO
1. CHECK IPDM E/R INPUT VOLTAGE
Check voltage between IPDM E/R connector E9 terminal 51 and
ground.
OK or NG
OK >> Replace IPDM E/R.
NG >> GO TO 2.
2. CHECK IPDM E/R HARNESS
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R connector E9 terminal 51 and horn relay connector E10 terminal 1.
OK or NG
OK >> Check harness connection.
NG >> Repair or replace harness. 51 (SB) – Ground : Battery voltage
PIIA6403E
51 (SB) – 1 (SB) : Continuity should exist.
PIIA6404E

REMOTE KEYLESS ENTRY SYSTEM BL-83
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2005 July 2005 FX
Check Hazard Warning Lamp FunctionAIS004MP
1. CHECK HAZARD WARNING LAMP
Do hazard warning lamp flash with hazard switch?
YES or NO
YES >> Hazard warning lamp circuit is OK.
NO >> Check hazard circuit. Refer to LT- 9 1 , "
TURN SIGNAL AND HAZARD WARNING LAMPS" .
Check Horn FunctionAIS004MQ
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-15, "
CAN Communication
Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK HORN FUNCTION
Does horn sound with horn switch?
YES or NO
YES >> Horn circuit is OK.
NO >> Check horn circuit. Refer to WW-59, "
HORN" .
Check Headlamp FunctionAIS004MR
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-15, "
CAN Communication
Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK HEADLAMP FUNCTION
Does headlamp come on when turning lighting switch “ON”?
YES or NO
YES >> Headlamp operation circuit is OK.
NO >> Check headlamp system. Refer to LT- 7 , "
HEADLAMP - XENON TYPE -" .
Check Map Lamp and Ignition Keyhole Illumination FunctionAIS004MS
1. CHECK MAP LAMP AND IGNITION KEYHOLE ILLUMINATION FUNCTION
When map lamp switch is in “DOOR” position, open the front door (LH or RH).
OK or NG
OK >> Replace BCM.
NG >> Check ignition illumination circuit. Refer to LT- 1 5 9 , "
INTERIOR ROOM LAMP" .
Map lamp and ignition keyhole illumination should illuminate.