key INFINITI FX35 2007 Service Manual

INTELLIGENT KEY SYSTEM BL-137
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Revision: 2006 July 2007 FX35/FX45
3. CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between each outside key antenna connector D2 (driver side), D32 (passenger side), D62 (rear door LH), D82 (rear door RH), D116 (back door) terminals 1, 2, 14, 15 and Intelligent Key unit
connector M34 terminals 17, 18, 19, 20, 37, and 38.
3. Check continuity between each out side key antenna connector terminals 1, 2, 6, 7 and ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Replace harness between outside key antenna and Intelligent Key unit.
Item Te r m i n a l
(Wire color) Continuity
Back door 1 (L/B) 17 (L)
Ye s
2 (W/B) 18 (W/L)
Driver side 14 (BR/W) 19 (SB)
15 (R/Y) 20 (GY)
Passenger side 14 (G/Y) 37 (G)
15 (L/Y) 38 (G/W)
Rear door LH 1 (G/Y) 19 (SB)
2 (PU/W) 20 (GY)
Rear door RH 1 (G/Y) 37 (G)
2 (PU/W) 38 (G/W)
Item Terminal
(Wire color) Continuity
Back door 1 (L/B)
Ground No
2 (W/B)
Rear door
(LH, RH) 1 (G/Y)
2 (PU/W)
Driver side 14 (BR/W)
15 (R/Y)
Passenger side 14 (G/Y)
15 (L/Y)
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BL-138
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
Check Inside Key AntennaNIS001NV
1. CHECK INSIDE KEY ANTENNA POWER SUPPLY CIRCUIT
Push ignition knob and use an oscilloscope to check voltage waveform between Intelligent Key unit connector
M34 terminals 13 (luggage room), 15 (dash board), 35 (dash board) and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK INSIDE KEY ANTENNA OPERATION
1. Disconnect inside key antenna connector.
2. Check continuity between inside key antenna connector M70, M153 (dash board), B68 (luggage room) terminals 1 and 2.
OK or NG
OK >> GO TO 3.
NG >> Replace malfunctioning inside key antenna.
Terminal (Wire color) Condition Signal
(Reference value)
(+) (-)
Luggage room:
13 (P)
Ground Push igni-
tion knob.
Dash board:
15 (G)
35 (LG)
PIIA6753ESIIA1910J
1 - 2 : Continuity should exist.
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INTELLIGENT KEY SYSTEM BL-139
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Revision: 2006 July 2007 FX35/FX45
3. CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector.
2. Check continuity between inside key antenna connector M70, M153 (dash board), B68 (luggage room) terminals 1, 2 and Intelligent Key unit connector terminals 13, 14, 15, 16, 35 and 36.
3. Check continuity between inside key antenna connector M70, M153 (dash board), B68 (luggage room) terminals 1 and 2 and
ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair or replace harness between inside key antenna and Intelligent Key unit.
Check Steering Lock UnitNIS001NW
1. CHECK STEERING LOCK UNIT POWER SUPPLY
1. Turn ignition knob LOCK position.
2. Disconnect steering lock unit connector.
3. Check voltage between steering lock unit connector M26 terminal 1 (L/R) and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace steering lock unit power supply circuit.
Item Terminal Continuity
Inside key antenna-3 (Luggage room) 1 (OR/L) 13 (P)
Ye s
2 (W/L) 14 (L)
Inside key antenna-1 (Dash board) 1 (G) 15 (G)
2 (R) 16 (R)
Inside key antenna-2 (Dash board) 1 (LG) 35 (LG)
2 (PU) 36 (PU)
Item Terminal Continuity
Inside key antenna-3 (Luggage room) 1 (OR/L)
Ground No
2 (W/L)
Inside key antenna-1 (Dash board) 1 (G)
2 (R)
Inside key antenna-2 (Dash board) 1 (LG)
2 (PU)
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1 (L/R) - Ground : Battery voltage
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BL-140
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
2. CHECK STEERING LOCK UNIT GROUND CIRCUIT
Check continuity between steering lock unit connector M26 terminal 4 (Y/B) and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
3. CHECK STEERING LOCK COMMUNICATION CIRCUIT
1. Connect steering lock unit connector.
2. Check voltage between Intelligent Key unit connector M34 terminal 1 (R/W) and ground.
3. Immediately after pushing ignition knob, use an oscilloscope to check voltage waveform between Intelli- gent Key unit connector M34 terminal 32 (R/B) and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace Intelligent Key unit. 4 (Y/B) - Ground : Continuity should exist.
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1 (R/W) - Ground : Approx. 5V
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Terminal
(Wire color) Condition Signal
(Reference value)
(+) (-)
32
(R/B) Ground Immediately after
ignition knob push-
ing.
MIIB0386ESIIA1911J

INTELLIGENT KEY SYSTEM BL-141
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Revision: 2006 July 2007 FX35/FX45
4. CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT
1. Disconnect Intelligent Key unit and steering lock unit connectors.
2. Check continuity between Intelligent Key unit connector M34 terminals 1, 31, 32 and steering lock unit connector M26 terminals 2, 3, 4.
3. Check continuity between steering lock unit connector M26 ter- minals 2, 3, 4 and ground.
OK or NG
OK >> Replace steering lock unit.

After replacing steering lock unit, perform registration procedure. Refer to “CONSULT-II Opera-
tion Manual NATS-IVIS/NVIS”.
NG >> Repair or replace harness between steering lock unit and Intelligent Key unit.
Check Stop Lamp SwitchNIS001NX
1. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch connector E210 termi- nal 1 (GY) and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness between stop lamp switch and fuse.
2. CHECK STOP LAMP SWITCH OPERATION
Check continuity between stop lamp switch connector E210 terminal
1 and 2.
OK or NG
OK >> GO TO 3.
NG >> Replace stop lamp switch. 1 (R/W) - 2 (R/W) : Continuity should exist.
31 (Y/B) - 4 (Y/B) : Continuity should exist.
32 (R/B) - 3 (R/B) : Continuity should exist.
2 (R/W) - Ground : Continuity should not exist. 3 (R/B) - Ground : Continuity should not exist.4 (Y/B) - Ground : Continuity should not exist.
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1 (GY) - Ground : Battery voltage
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1 - 2
Brake pedal depressed : Continuity should exist.
Brake pedal not
depressed : Continuity should not exist.
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BL-142
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
3. CHECK STOP LAMP SWITCH GROUND CIRCUIT
1. Check continuity between stop lamp switch connector E210 ter- minal 2 (P) and Intelligent Key unit connector M34 terminal 26
(P/L).
2. Check continuity between stop lamp switch connector E210 ter- minal 2 (P) and ground.
OK or NG
OK >> Stop lamp switch is OK.
NG >> Repair or replace harness.
Check Park Position SwitchNIS001NY
1. CHECK PARK POSITION SWITCH INPUT SIGNAL
1. Turn ignition knob LOCK position.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Park position switch circuit is OK.
NG >> GO TO 2. 2 (P) - 26 (P/L) : Continuity should exist.
2 (P) - Ground : Continuity should not exist.
PIIA6801E
Connector Terminal
(Wire color) Condition Voltage (V)
(Approx.)
(+) (-)
M34 39 (R/Y) Ground When selector lever is locked
at the “P” position 0
When selector lever is not
locked at the “P” position Battery voltage
PIIA6805E

INTELLIGENT KEY SYSTEM BL-143
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Revision: 2006 July 2007 FX35/FX45
2. CHECK PARK POSITION SWITCH CIRCUIT
1. Disconnect A/T device (park position switch) connector.
2. Check voltage between A/T device (park position switch) con- nector M67 terminal 3 (R/Y) and ground. (Check harness for
open.)
3. Check continuity between A/T device (park position switch) con- nector M67 terminals 3 (R/Y) and ground. (Check harness for
short.)
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK PARK POSITION SWITCH
Check continuity between A/T device (park position switch) terminals 2 and 3.
OK or NG
OK >> GO TO 4.
NG >> Replace back A/T device (park position switch). 3 (R/Y) – Ground : Battery voltage
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3 (R/Y) – Ground : Continuity should not exist.
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Terminal Condition Continuity
23 When selector lever is not
locked at the “P” position No
When selector lever is
locked at the “P” position Ye s
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BL-144
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
4. PARK POSITION SWITCH GROUND CIRCUIT INSPECTION
Check continuity between A/T device (park position switch) connec-
tor M67 terminal 2 (B) and ground.
OK or NG
OK >> Check harness connection.
NG >> Repair or replace harness.
Check Select Unlock RelayNIS001NZ
1. CHECK SELECT UNLOCK RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect passenger side select unlock relay connector.
3. Check voltage between passenger side select unlock relay con- nector M30 terminal 1 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace passenger side select unlock relay power supply circuit.
2. CHECK HARNESS
1. Disconnect Intelligent Key unit connector.
2. Check continuity between passenger side select unlock relay connector M30 terminal 2 and Intelligent Key unit connector
M34 terminal 40.
3. Check continuity between passenger side select unlock relay connector M30 terminal 2 and ground.
OK or NG
OK >> Replace passenger side select unlock relay.
NG >> Repair or replace harness between passenger side select unlock relay and Intelligent Key unit. 2 (B) – Ground : Continuity should exist.
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1 (L/R) – Ground : Approx. 12V
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2 (BR/W) – 40 (BR/W) : Continuity should exist.
2 (BR/W) – Ground : Continuity should not exist.
PIIA6955E

INTELLIGENT KEY SYSTEM BL-145
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Revision: 2006 July 2007 FX35/FX45
Check Hazard FunctionNIS001O0
1. CHECK HAZARD WARNING LAMP
Does 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 0 , "
TURN SIGNAL AND HAZARD WARNING LAMPS" .
Check Horn FunctionNIS001O1
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-13, "
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-58, "
HORN" .
Check Headlamp FunctionNIS001O2
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-13, "
CAN Communication
Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK HEADLAMP OPERATION
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- 6 , "
HEADLAMP - XENON TYPE -" .
Check IPDM E/R OperationNIS001O3
1. CHECK IPDM E/R INPUT VOLTAGE
Check voltage between IPDM E/R connector E9 terminal 51 (SB) and ground.
OK or NG
OK >> Replace IPDM E/R.
NG >> GO TO 2. 51 (SB) – Ground : Battery voltage
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BL-146
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
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 (SB) and horn relay connector E10 termi- nal 1 (SB).
OK or NG
OK >> Check harness connection.
NG >> Repair or replace harness.
Removal and Installation of Intelligent Key UnitNIS001O4
REMOVAL
1. Remove the instrument lower driver panel. Refer to IP-11, "Removal and Installation" .
2. Disconnect the Intelligent Key unit connector, remove the screw and Intelligent Key unit.
INSTALLATION
Install in the reverse order of removal. 51 (SB) – 1 (SB) : Continuity should exist.
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