2006 INFINITI QX56 air condition

POWER WINDOW SYSTEMGW-41
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Revision: November 2009 2006 QX56
Front Power Window Motor RH Circuit CheckEIS005Y2
1. CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL
1. Connect power window and door lock/unlock switch RH.
2. Turn ignition switch ON.
3. Check voltage between power window and door lock/unlock switch RH connector D105 terminals 8, 9 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace power window and door lock/unlock switch RH. Refer to EI-32, "
REMOVAL" .
2. CHECK FRONT POWER WINDOW MOTOR RH 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 power window and door lock/unlock switch RH connector D105 terminals 8, 9 and front power win-
dow motor RH connector D104 terminals 1, 2.
OK or NG
OK >> Replace front power window motor RH. Refer to GW-66,
"FRONT DOOR GLASS REGULATOR" .
NG >> Repair or replace harness.
Limit Switch Circuit Check Front LHEIS005Y3
1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH LIMIT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/ unlock switch connector D7 termimal 9 and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2.
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D105 9
Ground UP
0
DOWN Battery voltage
8 UP Battery voltage
DOWN 0
LIIA1261E
8 - 2 : Continuity should exist.
9 - 1 : Continuity should exist.
LIIA1262E
ConnectorTerminal
Condition Voltage (V)
(Approx.)
(+) (-)
D7 9 Ground Front power window LH is
between fully-open and just
before fully-closed position
(ON)
0
Front power window LH is
between just before fully-
closed position and fully-
closed position (OFF) 5
LIIA0339E

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

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

POWER WINDOW SYSTEMGW-53
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Revision: November 2009 2006 QX56
Rear Power Window Control Unit LH or RH Power Supply and Ground Circuit
Check
EIS005YA
1. CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Rear power window control unit LH.
3. Turn ignition switch ON.
4. Check voltage between rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 13 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK POWER WINDOW GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window control unit LH or RH.
3. Check continuity between rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 15 and ground.
OK or NG
OK >> Rear power window control unit LH or RH power supply and ground circuit is OK. Refer to GW-35, "
Trouble
Diagnoses Symptom Chart" .
NG >> Repair or replace harness.
3. CHECK REAR POWER WINDOW CONTROL UNIT LH OR RH POWER SUPPLY CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M20 terminal 69 and rear power window control unit LH or RH connector D209 (LH),
D309 (RH) terminal 13.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 69 and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace BCM. Refer to BCS-20, "
BCM" .
13 - Ground : Battery voltage
LIIA1346E
15 - Ground
: Continuity should exist.
LIIA2043E
69 - 13: Continuity should exist.
LIIA1352E
69 - Ground : Battery voltage
WIIA0508E

GW-54
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Rear Power Window Switch LH or RH Power Supply and Ground Circuit CheckEIS005YB
1. CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Turn ignition switch ON.
4. Check voltage between rear power window switch LH or RH connector D203 (LH), D303 (RH) terminals 2, 3 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK POWER WINDOW GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Check continuity between rear power window switch LH or RH connector D203 (LH), D303 (RH) terminals 1, 7 and ground.
OK or NG
OK >> Rear power window switch LH or RH power supply and ground circuit is OK. Refer to GW-35, "
Trouble Diag-
noses Symptom Chart" .
NG >> Repair or replace harness.
Rear Power Window Motor LH Circuit Check EIS005YC
1. CHECK REAR POWER WINDOW SWITCH LH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch LH connector D203 terminals 4, 5 and ground.
OK or NG
OK >> Replace rear power window switch LH. Refer to EI-33, "REMOVAL" .
NG >> GO TO 2. 2 - Ground : Battery voltage
3 - Ground : Battery voltage
LIIA1348E
1 - Ground
: Continuity should exist.
7 - Ground : Continuity should exist.
LIIA2044E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D203 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E

POWER WINDOW SYSTEMGW-55
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Revision: November 2009 2006 QX56
2. CHECK REAR POWER WINDOW SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH and rear power win- dow control unit LH.
3. Check continuity between rear power window switch LH connec- tor D203 terminals 4, 5 and rear power window control unit LH
connector D209 terminals 9, 10.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window motor LH.
3. Check continuity between rear power window control unit LH connector D209 terminals 11, 12 and rear power window motor
LH connector D204 terminals 1, 2.
OK or NG
OK >> Replace rear power window motor LH. Refer to GW-69,
"REAR DOOR GLASS REGULATOR" .
NG >> Repair or replace harness.
Rear Power Window Motor RH Circuit Check EIS005YD
1. CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch RH connector D303 terminals 4, 5 and ground.
OK or NG
OK >> Replace rear power window switch RH. Refer to EI-33, "REMOVAL" .
NG >> GO TO 2. 4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
11 - 2
: Continuity should exist.
12 - 1 : Continuity should exist.
LIIA1380E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D303 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E

GW-56
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
2. CHECK REAR POWER WINDOW SWITCH RH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch RH and rear power win- dow control unit RH.
3. Check continuity between rear power window switch RH con- nector D303 terminals 4, 5 and rear power window control unit
RH connector D309 terminals 9, 10.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR RH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window motor RH.
3. Check continuity between rear power window control unit RH connector D309 terminals 11, 12 and rear power window motor
RH connector D304 terminals 1, 2.
OK or NG
OK >> Replace rear power window motor RH. Refer to GW-69,
"REAR DOOR GLASS REGULATOR" .
NG >> Repair or replace harness.
Limit Switch Circuit Check Rear LH and RHEIS005YE
1. CHECK REAR POWER WINDOW MOTOR LH AND RH LIMIT SWITCH SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window control unit LH or RH connector and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2. 4 - 9
: Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
11 - 2: Continuity should exist.
12 - 1 : Continuity should exist.
LIIA1380E
ConnectorTerminals
Condition Voltage (V)
(Approx.)
(+) (-)
D209 (LH)
D309 (RH) 3 Ground Rear power window LH or RH
is between fully-open and just
before fully-closed position
(ON)
0
Rear power window LH or RH
is between just before fully-
closed position and fully-
closed position (OFF) 5
LIIA2366E