2006 INFINITI QX56 ignition

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

GW-48
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Door Switch CheckEIS005Y7
1. CHECK FRONT DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check front door switches ( “DOOR SW-DR” and “DOOR SW-AS ” )
in “DATA MONITOR” mode with CONSULT-II. Refer to GW-34,
"DATA MONITOR" .
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Front door switch is OK.
NG >> GO TO 2.
2. CHECK FRONT DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front door switch LH or RH and BCM.
3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connector M19 terminal 47
(LH) or connector M18 terminal 12 (LH).
4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item Condition
DOOR SW-DR OPEN: ON
CLOSE: OFF
DOOR SW-AS OPEN: ON
CLOSE: OFF
Item Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
Front RH M18 12 GroundOPEN
0
CLOSE Battery voltage
Front LH M19 47 OPEN
0
CLOSE Battery voltage
PIIA2464E
LIIA0946E
Front LH
2 - 47 : Continuity should exist.
Front RH
2 - 12 : Continuity should exist.
2 - Ground : Continuity should not exist.
LIIA0947E

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

POWER WINDOW SYSTEMGW-51
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Revision: November 2009 2006 QX56
Power Window Serial Link Check Front LH and RHEIS005Y9
1. CHECK BUS OUTPUT SIGNAL
With CONSULT-II
Check door lock and unlock switch ( “LOCK SW DR/AS”, “UNLK SW
DR/AS ”) in DATA MONITOR mode for “MULTI REMOTE ENT” with
CONSULT-II. Refer to BL-27, "
DATA MONITOR" .

When door lock and unlock switch is turned to LOCK

When door lock and unlock switch is turned to UNLOCK
Without CONSULT-II
1. Remove key from ignition switch, and the door of driver side and passenger side is closed.
2. Check the signal between BCM connector and ground with oscilloscope when door lock and unlock switch (front LH and
front RH) is turned “LOCK ” or “UNLOCK ”.
3. Make sure signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch
(front LH and front RH) is turned “LOCK ” or “UNLOCK ”.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK BCM BUS OUTPUT SIGNAL
Check power window serial link ( “POWER WINDOW DOWN”) in
“ACTIVE TEST ” mode with CONSULT-II. Refer to GW-34, "
ACTIVE
TEST" .
When “ACTIVE TEST ” is executed, is the window of driver side and
passenger side lowered.
OK or NG
OK >> Further inspection is necessary. Refer to GW-35, "Trou-
ble Diagnoses Symptom Chart" .
NG >> Replace BCM. Refer to .BCS-20, "
BCM"
LOCK SW DR/AS : ON
UNLK SW DR/AS : ON
LIIA0172E
ConnectorTerminals (Wire color)
Signal
(+) (-)
M18 22 GroundLIIA0391E
PIIA2344E
PIIA3080E

GW-52
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
3. CHECK POWER WINDOW SWITCH GROUND
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and power window and door lock/unlock switch RH.
3. Check continuity between main power window and door lock/ unlock switch connector D8 terminal 17 and ground.
4. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 11 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M18 terminal 22 and main power window and door lock/unlock switch connector D7
terminal 14.
3. Check continuity between BCM connector M18 terminal 22 and power window and door lock/unlock switch RH connector D105
terminal 16.
OK or NG
OK >> Replace main power window and door lock/unlock switch or power window and door lock/unlock switch
RH. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness. 17 - Ground
: Continuity should exist.
LIIA0392E
11 - Ground: Continuity should exist.
LIIA1270E
22 - 14: Continuity should exist.
LIIA0394E
22 - 16 : Continuity should exist.
LIIA1271E