2006 INFINITI QX56 lock

GW-42
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
2. CHECK FRONT POWER WINDOW MOTOR LH LIMIT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front power window motor LH.
3. Turn ignition switch ON.
4. Check voltage between front power window motor LH connector D9 terminal 5 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3. CHECK LIMIT SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between front power window motor LH connec- tor D9 terminal 6 and ground.
OK or NG
OK >> Replace front power window motor LH. Refer to GW-66,
"FRONT DOOR GLASS REGULATOR" .
NG >> GO TO 4.
4. CHECK HARNESS CONTINUITY
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between front power window motor LH connec- tor D9 terminal 6 and main power window and door lock/unlock
switch connector D7 terminal 2.
OK or NG
OK >> Replace main power window and door lock/unlock switch. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness.
5. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between front power window motor LH connec- tor D9 terminal 5 and main power window and door lock/unlock
switch connector D7 terminal 9.
OK or NG
OK >> Replace main power window and door lock/unlock switch. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness. 5 - Ground : Approx. 5V
LIIA0922E
6 - Ground
: Continuity should exist.
LIIA0923E
6 - 2: Continuity should exist.
LIIA0924E
5 - 9: Continuity should exist.
LIIA0925E

POWER WINDOW SYSTEMGW-43
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Revision: November 2009 2006 QX56
Limit Switch Circuit Check Front RHEIS005Y4
1. CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH LIMIT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between power window motor RH connector D105 terminal 15 and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2.
2. CHECK FRONT POWER WINDOW MOTOR RH LIMIT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH.
3. Turn ignition switch ON.
4. Check voltage between front power window motor RH connector D104 terminal 5 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3. CHECK LIMIT SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between front power window motor RH con- nector D104 terminal 6 and ground.
OK or NG
OK >> Replace front power window motor RH. Refer to GW-66,
"FRONT DOOR GLASS REGULATOR" .
NG >> GO TO 4.
Connector Te r m i n a l s
Condition Voltage (V)
(Approx.)
(+) (-)
D105 15 Ground Front power window RH is
between fully-open and just
before fully-closed position
(ON)
0
Front power window RH is
between just before fully-
closed position and fully-
closed position (OFF) 5
LIIA1263E
5 - Ground
: Approx. 5V
LIIA0922E
6 - Ground: Continuity should exist.
LIIA0923E

GW-44
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
4. CHECK HARNESS CONTINUITY
1. Disconnect power window and door lock/unlock switch RH.
2. Check continuity between front power window motor RH con- nector D104 terminal 6 and power window and door lock/unlock
switch RH connector D105 terminal 3.
OK or NG
OK >> Replace power window and door lock/unlock switch RH. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness.
5. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH.
3. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 15 and front power window
motor RH connector D104 terminal 5.
OK or NG
OK >> Replace power window and door lock/unlock switch RH. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness.
Encoder Circuit Check Front LHEIS005Y5
1. CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect front power window motor LH.
3. Turn ignition switch ON.
4. Check voltage between front power window motor LH connector D9 terminal 4 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between front power window motor LH connec- tor D9 terminal 4 and main power window and door lock/unlock
switch connector D7 terminal 15.
OK or NG
OK >> Replace main power window and door lock/unlock switch. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness. 6 - 3 : Continuity should exist.
LIIA1264E
15 - 5
: Continuity should exist.
LIIA1265E
4 - Ground: Approx. 10V
WIIA0513E
4 - 15 : Continuity should exist.
LIIA0936E

POWER WINDOW SYSTEMGW-45
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Revision: November 2009 2006 QX56
3. CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Check continuity between front power window motor LH connec- tor D9 terminal 6 and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. CHECK ENCODER GROUND CIRCUIT
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between front power window motor LH connec- tor D9 terminal 6 and main power window and door lock/unlock
switch connector D7 terminal 2.
OK or NG
OK >> Replace main power window and door lock/unlock switch. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness.
5. CHECK ENCODER SIGNAL
1. Connect front power window motor LH.
2. Turn ignition switch ON.
3. Check the signal between main power window and door lock/ unlock switch connector and ground with oscilloscope.
OK or NG
OK >> Replace main power window and door lock/unlock switch. Refer to EI-32, "REMOVAL" .
NG >> GO TO 6. 6 - Ground
: Continuity should exist.
LIIA0923E
6 - 2: Continuity should exist.
LIIA0924E
Connec-
tor Terminals
Condition Signal
(+) (-)
D7 13 Ground Opening
LIIA0364E
OCC3383D

GW-46
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
6. CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor LH and main power win- dow and door lock/unlock switch.
3. Check continuity between front power window motor LH connec- tor D9 (B) terminal 3 and main power window and door lock/
unlock switch connector D7 (A) terminal 13.
OK or NG
OK >> Replace front power window motor LH. Refer to GW-66,
"FRONT DOOR GLASS REGULATOR" .
NG >> Repair or replace harness.
Encoder Circuit Check Front RHEIS005Y6
1. CHECK POWER WINDOW MOTOR RH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH.
3. Turn ignition switch ON.
4. Check voltage between front power window motor RH connector D104 terminal 4 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH.
3. Check continuity between front power window motor RH con- nector D104 terminal 4 and power window and door lock/unlock
switch RH connector D105 terminal 4.
OK or NG
OK >> Replace power window and door lock/unlock switch RH. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness.
3. CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Check continuity between front power window motor RH con- nector D104 terminal 6 and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4. 3 - 13
: Continuity should exist.
LIIA2210E
4 - Ground: Approx. 10V
WIIA0513E
4 - 4: Continuity should exist.
LIIA1266E
6 - Ground : Continuity should exist.
LIIA0923E

POWER WINDOW SYSTEMGW-47
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Revision: November 2009 2006 QX56
4. CHECK ENCODER GROUND CIRCUIT
1. Disconnect power window and door lock/unlock switch RH.
2. Check continuity between front power window motor RH con- nector D104 terminal 6 and power window and door lock/unlock
switch RH connector D105 terminal 3.
OK or NG
OK >> Replace power window and door lock/unlock switch RH. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness.
5. CHECK ENCODER SIGNAL
1. Connect front power window motor RH.
2. Turn ignition switch ON.
3. Check the signal between power window and door lock/unlock switch RH connector and ground with oscilloscope.
OK or NG
OK >> Replace power window and door lock/unlock switch RH. Refer to EI-32, "REMOVAL" .
NG >> GO TO 6.
6. CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH and power window and door lock/unlock switch RH.
3. Check continuity between front power window motor RH con- nector D104 terminal 3 and power window and door lock/unlock
switch RH connector D105 terminal 12.
OK or NG
OK >> Replace front power window motor RH. Refer to GW-66,
"FRONT DOOR GLASS REGULATOR" .
NG >> Repair or replace harness. 6 - 3 : Continuity should exist.
LIIA1264E
Connec-
tor Te r m i n a l s
Condition Signal
(+) (-)
D105 12 Ground Opening
LIIA1267E
OCC3383D
3 - 12 : Continuity should exist.
LIIA1268E

POWER WINDOW SYSTEMGW-49
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Revision: November 2009 2006 QX56
3. CHECK DOOR SWITCH
1. Disconnect front door switch LH or RH.
2. Check continuity between each front door switch terminal 2 and body ground part of front door switch.
OK or NG
OK >> Replace BCM. Refer to BCS-20, "BCM" .
NG >> Replace malfunctioning front door switch.
Front Door Lock Assembly LH (Key Cylinder Switch) CheckEIS005Y8
1. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) INPUT SIGNAL
With CONSULT-II

Check front door lock assembly LH (key cylinder switch) ( “KEY
CYL LK SW ”) in “DATA MONITOR” mode for “POWER DOOR
LOCK SYSTEM ” with CONSULT-II. Refer to GW-34, "
DATA
MONITOR" .

Check front door lock assembly LH (key cylinder switch) ( “KEY
CYL UN-SW ”) in “DATA MONITOR” mode for “POWER DOOR
LOCK SYSTEM ” with CONSULT-II. Refer to GW-34, "
DATA
MONITOR" .
Without CONSULT-II
Check voltage between main power window and door lock/unlock
switch connector and ground.
OK or NG
OK >> Front door lock assembly LH (key cylinder switch) is OK.
NG >> GO TO 2.
Terminal Door switch Continuity
2 Body ground part
of front door
switch Pushed
No
Released Yes
WIIA0644E
“KEY CYL LK-SW” should be “ON” when key inserted
in door key cylinder is turned to lock.
LIIA0047E
“KEY CYL UN-SW” should be “ON” when key inserted
in door key cylinder was turned to unlock.
LIIA0050E
ConnectorTe r m i n a l s
Key position Voltage (V)
(Approx.)
(+) (-)
D7 6
Ground Neutral / Unlock 5
Lock 0
4 Neutral / Lock 5
Unlock 0
LIIA1448E

GW-50
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
2. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and front door lock assembly (key cylinder switch).
3. Check continuity between main power window and door lock/ unlock switch connector D7 terminals 4, 6 and front door lock
assembly LH (key cylinder switch) connector D14 terminals 1, 6.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) GROUND
Check continuity between front door lock assembly LH (key cylinder
switch) connector D14 terminal 5 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH)
Check continuity between front door lock assembly LH (key cylinder
switch) terminals 1, 6 and 5.
OK or NG
OK >> Replace main power window and door lock/unlock switch.Refer to EI-32, "
REMOVAL" .
NG >> Replace front door lock assembly LH (key cylinder switch). Refer to BL-131, "
FRONT DOOR
LOCK" .
6 - 6 : Continuity should exist.
4 - 1 : Continuity should exist.
LIIA1571E
5 - Ground
: Continuity should exist.
LIIA1572E
TerminalsKey positionContinuity
6 5 Neutral / Unlock
No
Lock Yes
1 Neutral / Lock
No
Unlock Yes
LIIA1573E