turn signal INFINITI QX56 2008 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2008, Model line: QX56, Model: INFINITI QX56 2008Pages: 4083, PDF Size: 81.73 MB
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PWC-14
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between power window and door lock/unlock switch RH connector and ground.
Is the measurement value within the specification?
YES >> GO TO 3
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and power window and door lock/unlock switch RH.
3. Check continuity between BCM connector (A) and power win- dow and door lock/unlock switch RH connector (B).
4. Check continuity between BCM connector (A) and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
3. CHECK GROUND CIRCUIT
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 and ground.
Is the inspection result normal?
YES >> Replace power window and door lock/unlock switch RH. Refer to PWC-116, "
Removal and Installation".
NO >> Repair or replace harness.
4. CHECK BCM OUTPUT SIGNAL
Te r m i n a l
Voltage (V)(Approx.)
(+)
(–)
Power window and door lock/
unlock
switch RH connector Te r m i n a l
D105 10Ground Battery voltage
ALKIA0301ZZ
BCM connector Terminal Power window and
door lock/unlock
switch RH connector Terminal Continuity
M20 (A) 69 D105 (B) 10 Yes
BCM connector Terminal GroundContinuity
M20 (A) 69 No
LIIA2364E
Power window and door
lock/unlock switch RH Te r m i n a l
Ground Continuity
D105 11 Yes
ALKIA0303ZZ
Revision: March 2010 2008 QX56
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POWER WINDOW MOTORPWC-17
< COMPONENT DIAGNOSIS >
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POWER WINDOW MOTOR
DRIVER SIDE
DRIVER SIDE : DescriptionINFOID:0000000001735661
Door glass moves UP/DOWN by receiving the signal from power window main switch.
DRIVER SIDE : Componen t Function CheckINFOID:0000000001735662
1. CHECK POWER WINDOW MOTOR CIRCUIT
Does front power window motor LH operate with operating main power window and door lock/unlock switch?
Is the inspection result normal?
YES >> Front power window motor LH is OK.
NO >> Refer to PWC-17, "
DRIVER SIDE : Diagnosis Procedure".
DRIVER SIDE : Diag nosis ProcedureINFOID:0000000001735663
Front Power Window Motor LH Circuit Check
1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
1. Disconnect front power window motor LH.
2. Turn ignition switch ON.
3. Check voltage between front power window motor LH connector and ground.
Is the measurement value within the specification?
YES >> GO TO 2
NO >> Replace main power window and door lock/unlock switch. Refer to PWC-115, "
Removal and
Installation".
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and front power window motor LH.
3. Check continuity between main power window and door lock/ unlock switch connector (A) and front power window motor con-
nector LH (B).
4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
Te r m i n a l Main power win-
dow and door lock/ unlock switch con- dition Voltage (V)
(Approx.)
(+)
(–)
Power window
motor LH con-
nector Te r m i n a l
D9 2
Ground UP Battery voltage
DOWN 0
1 UP
0
DOWN Battery voltage
ALKIA1302ZZ
Main power window
and door lock/unlock switch connector Te r m i n a lFront power win-
dow motor LH con- nector Terminal Continuity
D7 (A) 8
D9 (B) 2
Ye s
11 1
ALKIA1019ZZ
Revision: March 2010 2008 QX56
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PWC-20
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
Is the inspection result normal?
YES >> Front power window motor RH is OK.
NO >> Replace front power window motor RH. Refer to GW-9, "
Removal and Installation".
REAR LH
REAR LH : DescriptionINFOID:0000000001735669
Door glass moves UP/DOWN by receiving the signal from power window main switch or rear power window
switch LH.
REAR LH : Componen t Function CheckINFOID:0000000001735670
1. CHECK REAR POWER WINDOW MOTOR LH CIRCUIT
Does rear power window motor LH operate with main power window and door lock/unlock switch or rear
power window switch LH?
Is the inspection result normal?
YES >> Rear power window motor LH is OK.
NO >> Refer to PWC-20, "
REAR LH : Diagnosis Procedure"
REAR LH : Diagnosis ProcedureINFOID:0000000001735671
Power Window Motor Circuit Check
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 PWC-117, "Removal and Installation".
NG >> GO TO 2
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
Te r m i n a l Motor condition
(+) (–)
12 D OW N
21 U P
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D203 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E
4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
Revision: March 2010 2008 QX56
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POWER WINDOW MOTORPWC-21
< COMPONENT DIAGNOSIS >
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OK >> GO TO 3
NG >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR LH
Check rear power window motor LH.
Refer to PWC-21, "
REAR LH : Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> Replace rear power window motor LH. Refer to GW-13, "
Removal and Installation".
REAR LH : Component InspectionINFOID:0000000001735672
COMPONENT INSPECTION
1. CHECK REAR POWER WINDOW MOTOR LH
Does motor operate by connecting the battery voltage directly to rear power window motor LH?
Is the inspection result normal?
YES >> Rear power window motor LH is OK.
NO >> Replace rear power window motor LH. Refer to GW-13, "
Removal and Installation".
REAR RH
REAR RH : DescriptionINFOID:0000000001735673
Door glass moves UP/DOWN by receiving the signal from main power window and door lock/unlock switch or
rear power window switch RH.
REAR RH : Component Function CheckINFOID:0000000001735674
1. CHECK REAR POWER WINDOW MOTOR RH CIRCUIT
Does rear power window motor RH operate with operat ing main power window and door lock/unlock switch or
rear power window switch RH?
Is the inspection result normal?
YES >> Rear power window motor RH is OK.
NO >> Refer to PWC-21, "
REAR RH : Diagnosis Procedure".
REAR RH : Diagnosis ProcedureINFOID:0000000001735675
Rear Power Window Mo tor RH Circuit Check
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.
Te r m i n a l Motor condition
(+) (–)
21 D OW N
12 U P
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D303 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E
Revision: March 2010 2008 QX56
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ENCODERPWC-23
< COMPONENT DIAGNOSIS >
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ENCODER
DRIVER SIDE
DRIVER SIDE : DescriptionINFOID:0000000001735677
Detects condition of the front power window motor LH operation and transmits to main power window and door
lock/unlock switch as pulse signal.
DRIVER SIDE : Componen t Function CheckINFOID:0000000001735678
1. CHECK ENCODER OPERATION
Does front door glass LH perform AUTO open/close operation normally when operating main power window
and door lock/unlock switch?
Is the inspection result normal?
YES >> Encoder operation is OK.
NO >> Refer to PWC-23, "
DRIVER SIDE : Diagnosis Procedure"
DRIVER SIDE : Diag nosis ProcedureINFOID:0000000001735679
Encoder Circuit Check
1. CHECK ENCODER OPERATION
1. Turn ignition switch ON.
2. Check signal between main power window and door lock/unlock switch connector and ground with oscilloscope.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> GO TO 2
2. CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY
Te r m i n a l s
Signal
(Reference value)
(+)
(–)
Main power window
and door lock/unlock switch connector Te r m i n a l
D7 9
Ground Refer to following signal
13
ALKIA0295ZZ
JMKIA0220GB
Revision: March 2010 2008 QX56
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PWC-26
< COMPONENT DIAGNOSIS >
ENCODER
1. Turn ignition switch ON.
2. Check signal between power window and door lock/unlockswitch RH connector and ground with oscilloscope.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> GO TO 2
2. CHECK FRONT POWER WINDOW MOTOR RH POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between front power window motor RH connector and ground.
Is the measurement value within the specification?
YES >> GO TO 4
NO >> GO TO 3
3. CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH and front power window motor RH.
3. Check continuity between power window and door lock/unlock
switch RH connector (A) and front power window motor RH con-
nector (B).
4. Check continuity between power window and door lock/unlock switch RH connector (A) and ground.
Te r m i n a l s
Signal
(Reference value)
(+)
(–)
Power window and door
lock/unlock switch RH connector Te r m i n a l
D105 12
Ground Refer to following
signal
15
ALKIA0322ZZ
ALKIA0305GB
Te r m i n a l
Voltage (V)(Approx.)
(+)
(–)
Front power window
motor RH connector Te r m i n a l
D105 4Ground 10
WIIA0513E
Power window and
door lock/unlock
switch RH connector Te r m i n a l
Front power window
motor RH connector
Terminal Continuity
D105 (A) 4D104 (B) 4 Yes
ALKIA1023ZZ
Revision: March 2010 2008 QX56
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PWC-28
< COMPONENT DIAGNOSIS >
ENCODER
Is the inspection result normal?
YES >> Replace front power window motor RH. Refer to GW-9, "Removal and Installation".
NO >> Repair or replace harness.
REAR LH
REAR LH : DescriptionINFOID:0000000001806212
Detects condition of the front power window motor LH operation and transmits to main power window and door
lock/unlock switch as pulse signal.
REAR LH : Componen t Function CheckINFOID:0000000001806213
1. CHECK ENCODER OPERATION
Does front door glass LH perform AUTO open/close operation normally when operating main power window
and door lock/unlock switch?
Is the inspection result normal?
YES >> Encoder operation is OK.
NO >> Refer to PWC-31, "
REAR RH : Diagnosis Procedure"
REAR LH : Diagnosis ProcedureINFOID:0000000001806214
Encoder Circuit Check
1. CHECK ENCODER SIGNAL
1. Turn ignition switch ON.
2. Check the signal between rear power window control unit LH connector D209 terminal 4 and ground with oscilloscope.
OK or NG
OK >> GO TO 2
NG >> Replace rear power window control unit LH.
2. CHECK HARNESS CONTINUITY
Power window and door
lock/unlock switch RH con-
nector Te r m i n a l
GroundContinuity
D105 (A) 12
No
15
Connec-
tor Te r m i n a l s
Condition Signal
(+) (-)
D209 4 Ground Opening
LIIA2368E
OCC3383D
Revision: March 2010 2008 QX56
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PWC-30
< COMPONENT DIAGNOSIS >
ENCODER
1. Disconnect rear power window control unit LH.
2. Check continuity between rear power window motor LH connec-tor D204 terminal 6 and rear power window control unit LH con-
nector D209 terminal 3.
OK or NG
OK >> Replace rear power window control unit LH.
NG >> Repair or replace harness.
7. CHECK REAR POWER WINDOW MO TOR LH LIMIT SWITCH SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window control unit LH con- nector and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 8
8. CHECK REAR POWER WINDOW SWITCH LH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window control unit LH har- ness connector D209 terminal 2 and ground.
OK or NG
OK >> GO TO 9
NG >> Replace rear power window control unit LH.
9. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear power window control unit LH.
3. Check continuity between rear power window control unit LH connector D209 terminal 2 and rear power window motor LH
connector D204 terminal 5.
OK or NG
OK >> Replace rear power window motor LH. Refer to GW-13,
"Removal and Installation".
NG >> Repair or replace harness.
REAR RH
6 - 3 : Continuity should exist.
LIIA1383E
ConnectorTe r m i n a l s
Condition Voltage (V)
(Approx.)
(+) (-)
D209 3 Ground Rear power window LH is be-
tween fully-open and just be-
fore fully-close
d position (ON) 0
Rear power window LH is be-
tween just before fully-closed
position and fully-closed posi-
tion (OFF) 5
LIIA2366E
2 - Ground
: Approx. 5V
LIIA2367E
2 - 5: Continuity should exist.
LIIA1385E
Revision: March 2010 2008 QX56
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ENCODERPWC-31
< COMPONENT DIAGNOSIS >
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REAR RH : DescriptionINFOID:0000000001806215
Detects condition of the front power window motor LH operation and transmits to main power window and door
lock/unlock switch as pulse signal.
REAR RH : Component Function CheckINFOID:0000000001806217
1. CHECK ENCODER OPERATION
Does front door glass RH perform AUTO open/close operation normally when operating main power window
and door lock/unlock switch?
Is the inspection result normal?
YES >> Encoder operation is OK.
NO >> Refer to PWC-31, "
REAR RH : Diagnosis Procedure"
REAR RH : Diagnosis ProcedureINFOID:0000000001806218
Encoder Circuit Check
1. CHECK ENCODER SIGNAL
1. Turn ignition switch ON.
2. Check the signal between rear power window control unit RH connector D309 terminal 4 and ground with oscilloscope.
OK or NG
OK >> GO TO 2
NG >> Replace rear power window control unit RH.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear power window control unit RH and rear power window motor RH.
3. Check continuity between rear power window control unit RH
connector D309 terminal 4 and rear power window motor RH
connector D304 terminal 3.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR RH POWER SUPPLY
Connec- tor Te r m i n a l s
Condition Signal
(+) (-)
D309 4 Ground Opening
LIIA2368E
OCC3383D
4 - 3 : Continuity should exist.
LIIA1389E
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PWC-32
< COMPONENT DIAGNOSIS >
ENCODER
1. Turn ignition switch OFF.
2. Disconnect rear power window motor RH.
3. Turn ignition switch ON.
4. Check voltage between rear power window motor RH connectorD304 terminal 4 and ground.
OK or NG
OK >> GO TO 5
NG >> GO TO 4
4. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear power window motor RH and rear power win- dow control unit RH.
3. Check continuity between rear power window motor RH connec- tor D304 (B) terminal 4 and rear power window control unit RH
connector D309 (A) terminal 5.
OK or NG
OK >> Replace rear power window switch RH. Refer to PWC-
117, "Removal and Installation".
NG >> Repair or replace harness.
5. CHECK ENCODER GROUND
1. Disconnect rear power window motor RH.
2. Check continuity between rear power window motor RH connec- tor D304 terminal 6 and ground.
OK or NG
OK >> GO TO 7
NG >> GO TO 6
6. CHECK ENCODER GROUND CIRCUIT
1. Disconnect rear power window control unit RH.
2. Check continuity between rear power window motor RH connec- tor D304 terminal 6 and rear power window control unit RH con-
nector D309 terminal 3.
OK or NG
OK >> Replace rear power window control unit RH.
NG >> Repair or replace harness.
7. CHECK REAR POWER WINDOW MOTOR RH LIMIT SWITCH SIGNAL
4 - Ground
: Approx. 10V
LIIA0378E
4 - 5: Continuity should exist.
LIIA2358E
6 - Ground: Continuity should exist.
LIIA0380E
6 - 3: Continuity should exist.
LIIA1383E
Revision: March 2010 2008 QX56