2006 INFINITI FX35 Ac system

BACK DOOR AUTO CLOSURE SYSTEM BL-173
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Revision: 2006 December 2006 FX35/FX45
4. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 8 and ground.
OK or NG
OK >> Replace back door lock assembly.
NG >> Replace back door closure control unit.
Check Open SwitchNIS001OW
1. CHECK OPEN SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check the signal between back door closure control unit connector and ground with oscilloscope.
OK or NG
OK >> Open switch is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and back door closure motor connector.
2. Check continuity between back door closure control unit con- nector D106 terminal 9 and back door closure motor connector
D109 terminal 4.
3. Check continuity between back door closure control unit con- nector D106 terminal 9 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness. Back door is closed
8 (L) – Ground : Battery voltage
PIIA6173E
Con-
nector Terminals (Wire color)
Back door
condition Signal
(Reference value)
(+) (-)
D106 9 (P) Ground Fully open
→
fully closed
PIIA6175E
SIIA1481J
9 (P) – 4 (P) : Continuity should exist.
9 (P) – Ground : Continuity should not exist.
PIIA6176E

BL-174
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 December 2006 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 CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 9 and ground.
OK or NG
OK >> Replace back door lock assembly.
NG >> Replace back door closure control unit.
Check Back Door Opener Switch (With Intelligent Key)NIS001OX
1. CHECK BACK DOOR OPENER SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between back door closure control unit connector and ground.
OK or NG
OK >> Back door opener switch is OK.
NG >> GO TO 2. 8 (B) – Ground : Continuity should exist.
PIIA6170E
Back door is closed
9 (P) – Ground : Battery voltage
PIIA6177E
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
D106 6 (LG) Ground Back door opener switch
: ON 0
Back door opener switch
: OFF 5
PIIA6178E

BACK DOOR AUTO CLOSURE SYSTEM BL-175
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Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS 1
1. Disconnect Intelligent Key unit and back door closure control unit connector.
2. Check continuity between Intelligent Key unit connector M34 ter- minal 23 and back door closure control unit connector D106 ter-
minal 6.
3. Check continuity between Intelligent Key unit connector M34 ter- minal 23 and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace or repair malfunction harness.
3. CHECK HARNESS 2
1. Disconnect Intelligent Key unit and back door opener switch connector.
2. Check continuity between Intelligent Key unit connector M34 ter- minal 24 and back door opener switch connector D112 terminal
1.
3. Check continuity between Intelligent Key unit connector M34 ter- minal 24 and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace or repair malfunction harness.
4. CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT
Check continuity between back door opener switch connector D112
terminal 2 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.
5. CHECK BACK DOOR OPENER SWITCH
Check continuity between back door opener switch terminals 1 and
2.
OK or NG
OK >> GO TO 6.
NG >> Replace back door opener switch. 23 (L/Y) – 6 (LG) : Continuity should exist.
23 (L/Y) - Ground : Continuity should not exist.
PIIB0216E
24 (P) – 1 (Y) : Continuity should exist.
24 (P) - Ground : Continuity should not exist.
PIIB1384E
2 (B) – Ground : Continuity should exist.
PIIA6180E
Terminals Condition Continuity
12 Back door opener switch: ON Yes
Back door opener switch: OFF No
PIIA6181E

BL-176
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 December 2006 FX35/FX45
6. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 6 and ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Replace back door closure control unit.
Check Back Door Opener Switch (Without Intelligent Key)NIS001OY
1. CHECK BACK DOOR OPENER SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between back door closure control unit connector and ground.
OK or NG
OK >> Back door opener switch is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and back door opener switch connector.
2. Check continuity between back door closure control unit con- nector D106 terminal 6 and back door opener switch connector
D112 terminal 1.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between back door closure control unit and back door opener switch.
6 (LG) – Ground : Approx. 5V
PIIA6178E
Connector
Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
D106 6 (Y) Ground Back door opener switch
: ON 0
Back door opener switch
: OFF 5
PIIA6178E
6 (Y) – 1 (Y) : Continuity should exist.
PIIA6179E

BACK DOOR AUTO CLOSURE SYSTEM BL-177
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Revision: 2006 December 2006 FX35/FX45
3. CHECK GROUND CIRCUIT
Check continuity between back door opener switch connector D112
terminal 2 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK BACK DOOR OPENER SWITCH
Check continuity between back door opener switch terminals 1 and
2.
OK or NG
OK >> GO TO 5.
NG >> Replace back door opener switch.
5. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 6 and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace back door closure control unit. 2 (B) – Ground : Continuity should exist.
PIIA6180E
Terminals Condition Continuity
12 Back door opener switch: ON Yes
Back door opener switch: OFF No
PIIA6181E
6 (Y) – Ground : Approx. 5V
PIIA6178E

BL-178
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 December 2006 FX35/FX45
Check Unlock Sensor (Without Intelligent Key)NIS001OZ
1. CHECK UNLOCK SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between back door closure control unit connector and ground.
OK or NG
OK >> Unlock sensor is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and front door lock assembly (passenger side) connector.
2. Check continuity between back door closure control unit con- nector D106 terminal 5 and front door lock assembly (passenger
side) connector D40 terminal 5.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between back door closure
control unit and front door lock assembly (passenger
side).
3. CHECK GROUND CIRCUIT
Check continuity between front door lock assembly (passenger side)
connector D40 terminal 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
D106 5 (W) Ground Passenger side door lock is
locked 5
Passenger side door lock is
unlocked 0
PIIA6182E
5 (W) – 5 (W) : Continuity should exist.
PIIA6183E
4 (B) – Ground : Continuity should exist.
PIIA6184E

BACK DOOR AUTO CLOSURE SYSTEM BL-179
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Revision: 2006 December 2006 FX35/FX45
4. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 5 and ground.
OK or NG
OK >> Replace front door lock assembly (passenger side).
NG >> Replace back door closure control unit.
Check Closure MotorNIS001P0
1. CHECK BACK DOOR CLOSURE MOTOR
1. Turn ignition switch OFF.
2. Check the signal between back door closure control unit connector and ground with oscilloscope.
OK or NG
OK >> GO TO 2.
NG >> Replace back door closure control unit.
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and back door closure motor connector.
2. Check continuity between back door closure control unit con- nector D106 terminals 2, 3 and back door closure motor connec-
tor D109 terminals 1, 2.
3. Check continuity between back door closure control unit con- nector D106 terminals 2, 3 and ground.
OK or NG
OK >> Replace back door closure motor.
NG >> Repair or replace harness.
Removal and Installation of Back Door Closer Control UnitNIS001P1
1. Remove the back door finisher. EI-46, "Removal and Installation" .
2. Disconnect the back door closer control unit harness, remove the screw and back door closer control unit. 5 (W) – Ground : Approx. 5V
PIIA6182E
Con-
nector Terminals (Wire color)
Back door
condition Signal
(Reference value)
(+) (-)
D106 2 (PU)
Ground Fully closed
→ fully open
3 (G) Fully open
→
fully closed
PIIA6185E
SIIA1480J
2 (PU) – 1 (PU) : Continuity should exist.
3 (G) – 2 (G) : Continuity should exist.
2 (PU) – Ground : Continuity should not exist.
3 (G) – Ground : Continuity should not exist.
PIIA6186E

BL-180
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2006 December 2006 FX35/FX45
VEHICLE SECURITY (THEFT WARNING) SYSTEMPFP:28491
Component Parts and Harness Connector LocationNIS001P2
PIIB0407E