2006 INFINITI QX56 ignition

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

POWER WINDOW SYSTEMGW-57
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Revision: November 2009 2006 QX56
2. CHECK LIMIT SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window motor LH or RH.
3. Check continuity between rear power window motor LH or RH connector D204 (LH), D304 (RH) terminal 6 and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK HARNESS CONTINUITY
1. Disconnect rear power window control unit LH or RH.
2. Check continuity between rear power window motor LH or RH connector D204 (LH), D304 (RH) terminal 6 and rear power win-
dow control unit LH or RH connector D209 (LH), D309 (RH) ter-
minal 3.
OK or NG
OK >> Replace rear power window switch LH or RH. Refer to EI-33, "
REMOVAL" .
NG >> Repair or replace harness.
4. CHECK REAR POWER WINDOW SWITCH LH OR RH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window control unit LH or RH harness connector D209 (LH) or D309 (RH) terminal 2 (SB)
and ground.
OK or NG
OK >> GO TO 5.
NG >> Replace rear power window control unit LH or RH.
5. CHECK HARNESS CONTINUITY
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 2 and rear power
window motor LH or RH connector D204 (LH), D304 (RH) termi-
nal 5.
OK or NG
OK >> Replace rear power window motor LH or RH. Refer to GW-69, "
REAR DOOR GLASS REGULATOR" .
NG >> Repair or replace harness. 6 - Ground
: Continuity should exist.
LIIA0380E
6 - 3: Continuity should exist.
LIIA1383E
2 - Ground : Approx. 5V
LIIA2367E
2 - 5: Continuity should exist.
LIIA1385E

GW-58
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Encoder Circuit Check Rear LH or RHEIS005YF
1. CHECK REAR POWER WINDOW MOTOR LH OR RH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect rear power window motor LH or RH.
3. Turn ignition switch ON.
4. Check voltage between rear power window motor LH or RH con- nector D204 (LH) or D304 (RH) 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 rear power window motor LH or RH and rear power window control unit LH or RH.
3. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) (B) terminal 4 and rear
power window control unit LH or RH connector D209 (LH) or
D309 (RH) (A) terminal 5.
OK or NG
OK >> Replace rear power window switch LH or RH. Refer to EI-33, "
REMOVAL" .
NG >> Repair or replace harness.
3. CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Disconnect rear power window motor LH or RH.
3. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 6 and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. CHECK ENCODER GROUND CIRCUIT
1. Disconnect rear power window control unit LH or RH.
2. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 6 and rear power
window control unit LH or RH connector D209 (LH), D309 (RH)
terminal 3.
OK or NG
OK >> Replace rear power window control unit LH or RH.
NG >> Repair or replace harness. 4 - Ground
: Approx. 10V
LIIA0378E
4 - 5 : Continuity should exist.
LIIA2358E
6 - Ground: Continuity should exist.
LIIA0380E
6 - 3: Continuity should exist.
LIIA1383E

POWER WINDOW SYSTEMGW-59
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Revision: November 2009 2006 QX56
5. CHECK ENCODER SIGNAL
1. Connect rear power window motor LH or RH and rear power window control unit LH or RH.
2. Turn ignition switch ON.
3. Check the signal between rear power window control unit LH or RH connector D209 (LH) or D309 (RH) terminal 4 and ground
with oscilloscope.
OK or NG
OK >> GO TO 6.
NG >> Replace rear power window control unit LH or RH.
6. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear power window control unit LH or RH and rear power window motor LH or RH.
3. Check continuity between rear power window control unit LH or RH connector D209 (LH) or D309 (RH) terminal 4 and rear
power window motor LH or RH connector D204 (LH), D304 (RH)
terminal 3.
OK or NG
OK >> Replace rear power window motor LH or RH. Refer to GW-69, "
REAR DOOR GLASS REGULATOR" .
NG >> Repair or replace harness.
Power Window Serial Link Check Rear LH or RHEIS005YG
1. CHECK REAR POWER WINDOW CONTROL UNIT LH OR RH
1. Replace with operative rear power window control unit LH or RH.
2. Does window operate normally?
OK or NG
OK >> Replace rear power window control unit LH or RH.
NG >> GO TO 2.
Connec- tor Terminals
Condition Signal
(+) (-)
D209 (LH) 4
Ground Opening
D309
(RH) 4
LIIA2368E
OCC3383D
4 - 3
: Continuity should exist.
LIIA1389E

GW-60
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
2. CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and rear power window control unit LH or RH.
3. Check continuity between main power window and door lock/ unlock switch connector D7 terminal 14 and rear power window
control unit LH or RH connector D209 (LH) or D309 (RH) termi-
nal 1.
OK or NG
OK >> Replace main power window and door lock/unlock switch. Refer to EI-32, "
REMOVAL" .
NG >> Repair or replace harness.
Rear Power Vent Window Switch Circuit CheckEIS005YH
1. CHECK REAR POWER VENT WINDOW SWITCH OPERATION
1. Turn ignition switch OFF.
2. Disconnect rear power vent window switch.
3. Check continuity between rear power vent window switch termi- nals 1, 3 and 4.
OK or NG
OK >> GO TO 2.
NG >> Replace rear power vent window switch.
2. CHECK REAR POWER VENT WINDOW SWITCH CIRCUIT HARNESS CONTINUITY
Check continuity between rear power vent window switch connector
R103 terminal 1 and ground.
OK or NG
OK >> Rear power vent window switch circuit harness OK.
NG >> Repair or replace harness. 14 - 1
: Continuity should exist.
LIIA1390E
Terminal
ConditionContinuity
(+) (-)
31 Rear power vent window
switch is pressed OPEN.
Ye s
41 Rear power vent window
switch is pressed CLOSE. Ye s
LIIA0956E
1 - Ground
: Continuity should exist.
LIIA2045E