Page 2201 of 3383

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
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POWER WINDOW SYSTEMGW-57
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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
Page 2203 of 3383

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
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POWER WINDOW SYSTEMGW-59
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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
Page 2205 of 3383

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
Page 2206 of 3383

POWER WINDOW SYSTEMGW-61
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Rear Power Vent Window Motor LH Circuit CheckEIS005YI
1. CHECK REAR POWER VENT WINDOW LH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear power vent window motor LH.
3. Turn ignition switch ON.
4. Check voltage between rear power vent window motor LH con- nector B52 terminals 1, 2 and ground.
OK or NG
OK >> Replace rear power vent window motor LH. Refer to GW-71, "Removal and Installation" .
NG >> Repair or replace harness.
Rear Power Vent Window Motor RH Circuit CheckEIS005YJ
1. CHECK REAR POWER VENT WINDOW SWITCH RH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear power vent window motor RH.
3. Turn ignition switch ON.
4. Check voltage between rear power vent window motor RH con- nector B150 terminals 1, 2 and ground.
OK or NG
OK >> Replace rear power vent window motor RH. Refer to GW-71, "Removal and Installation" .
NG >> Repair or replace harness.
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
B52 1
Ground Opening Battery voltage
Closing 0
2 Opening
0
Closing Battery voltage
WIIA0290E
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
B150 1
Ground Opening Battery voltage
Closing 0
2 Opening
0
Closing Battery voltage
WIIA0290E
Page 2207 of 3383

GW-62
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Rear Power Vent Window Relay (OPEN) CheckEIS005YK
1. CHECK REAR POWER VENT WINDOW RELAY (OPEN) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power vent window relay (OPEN).
3. Turn ignition switch ON.
4. Check voltage between rear power vent window relay (OPEN) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK REAR POWER VENT WINDOW RELAY (OPEN)
Check continuity between rear power vent window relay (OPEN) ter-
minals 3 and 4, 3 and 5.
OK or NG
OK >> GO TO 3.
NG >> Replace rear power vent window relay (OPEN).
3. CHECK REAR POWER VENT WINDOW RELAY (OPEN) GROUND CIRCUIT
Check continuity between rear power vent window relay (OPEN)
connector M87 terminal 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Connector Terminals
Voltage (V)
(Approx.)
(+) (-)
M87 1
Ground Battery voltage
5
LIIA1565E
Terminal Condition Continuity
34 12V direct current supply
between terminals 1 and 2
No
No current supply Yes
35 12V direct current supply
between terminals 1 and 2
Ye s
No current supply No
WIIA0291E
4 - Ground: Continuity should exist.
LIIA1567E
Page 2208 of 3383

POWER WINDOW SYSTEMGW-63
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Revision: November 2009 2006 QX56
4. CHECK REAR POWER VENT WINDOW RELAY (OPEN) CIRCUIT
1. Disconnect rear power vent window switch.
2. Check continuity between rear power vent window relay (OPEN) connector M87 terminal 2 and rear power vent window switch
connector R103 terminal 3.
OK or NG
OK >> Replace rear power vent window switch.
NG >> Repair or replace harness.
Rear Power Vent Window Relay (CLOSE) CheckEIS005YL
1. CHECK REAR POWER VENT WINDOW RELAY (CLOSE) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power vent window relay (CLOSE).
3. Turn ignition switch ON.
4. Check voltage between rear power vent window relay (CLOSE) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK REAR POWER VENT WINDOW RELAY (CLOSE)
Check continuity between rear power vent window relay (CLOSE)
terminals 3 and 4, 3 and 5.
OK or NG
OK >> GO TO 3.
NG >> Replace rear power vent window relay (CLOSE). 2 - 3
: Continuity should exist.
LIIA1568E
ConnectorTerminals
Voltage (V)
(Approx.)
(+) (-)
M89 1
Ground Battery voltage
5
LIIA1565E
Terminal Condition Continuity
34 12V direct current supply
between terminals 1 and 2
No
No current supply Yes
35 12V direct current supply
between terminals 1 and 2
Ye s
No current supply No
WIIA0291E