INFINITI QX56 2011 Factory Service Manual
Manufacturer: INFINITI, Model Year: 2011, Model line: QX56, Model: INFINITI QX56 2011Pages: 5598, PDF Size: 94.53 MB
Page 1691 of 5598
AUTOMATIC BACK DOOR SWITCHDLK-155
< DTC/CIRCUIT DIAGNOSIS >
C
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F
G H
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M A
B
DLK
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Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK AUTOMATIC BACK DOOR SWITCH
Refer to DLK-155, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace automatic back door switch.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225979
1.CHECK AUTOMATIC BACK DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect automatic back door switch connector.
3. Check continuity between autom atic back door switch terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace automatic back door switch.
Automatic back door switch GroundContinuity
Connector Terminal
M127 3 Existed
Automatic back door switch Condition Continuity
Terminal
1 3 Automatic back door switch Pressed Existed
Released Not existed
Revision: 2010 May2011 QX56
Page 1692 of 5598
DLK-156
< DTC/CIRCUIT DIAGNOSIS >
HALF LATCH SWITCH
HALF LATCH SWITCH
Component Function CheckINFOID:0000000006225980
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “HALF LATCH SW” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Half latch switch is OK.
NO >> Refer to DLK-156, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225981
1.CHECK HALF LATCH SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly connector.
3. Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK HALF LATCH SWITCH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector.
3. Check continuity between automatic back door control module harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic back door control module. Refer to DLK-262, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK HALF LATCH SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Monitor item Condition Status
HALF LATCH SW Back door Fully closed/Half latch OFF
Open ON
(–)
(–)Voltag e
(Approx.)
Back door lock assembly
Connector Terminal D157 6 Ground Battery voltage
Automatic back door control module Back door lock assembly Continuity
Connector Terminal Connector Terminal
B26 8 D157 6 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 8 Not existed
Back door lock assembly GroundContinuity
Connector Terminal
D157 8 Existed
Revision: 2010 May2011 QX56
Page 1693 of 5598
HALF LATCH SWITCHDLK-157
< DTC/CIRCUIT DIAGNOSIS >
C
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F
G H
I
J
L
M A
B
DLK
N
O P
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK HALF LATCH SWITCH
Refer to DLK-157, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace back door lock assembly.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225982
COMPONENT INSPECTION
1.CHECK HALF LATCH SWITCH
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly connector.
3. Check continuity between back door lock assembly terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace back door lock assembly.
Back door lock assembly Condition Continuity
Te r m i n a l
6 8 Back door Open Existed
Fully closed/Half
latch
Not existed
Revision: 2010 May2011 QX56
Page 1694 of 5598
DLK-158
< DTC/CIRCUIT DIAGNOSIS >
TOUCH SENSOR
TOUCH SENSOR
RH
RH : Component Function CheckINFOID:0000000006225983
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “TOUCH SEN RH” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Touch sensor RH is OK.
NO >> Refer to DLK-158, "
RH : Diagnosis Procedure".
RH : Diagnosis ProcedureINFOID:0000000006225984
1.CHECK TOUCH SENSOR RH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect touch sensor RH connector.
3. Check voltage between touch sensor RH harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK TOUCH SENSOR RH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door c ontrol module harness connector and touch sensor RH
harness connector.
3. Check continuity between automatic back door control module harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic back door control module. Refer to DLK-262, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK TOUCH SENSOR RH GROUND CIRCUIT
Check continuity between automatic back door cont rol module harness connector and touch sensor RH har-
ness connector.
Monitor item Condition Status
TOUCH SEN RH Touch sensor RH Other than below OFF
Detect obstruction ON
(+)
(–)Vol tag e
(Approx.)
Touch sensor RH
Connector Terminal D108 1 Ground 6 V
Automatic back door control module Touch sensor RH Continuity
Connector Terminal Connector Terminal
B26 16 D108 1 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 16 Not existed
Revision: 2010 May2011 QX56
Page 1695 of 5598
TOUCH SENSORDLK-159
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK TOUCH SENSOR RH
Refer to DLK-159, "
RH : Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace touch sensor RH.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
RH : Component InspectionINFOID:0000000006225985
1.CHECK TOUCH SENSOR RH
1. Turn ignition switch OFF.
2. Disconnect touch sensor RH connector.
3. Check continuity between touch sensor RH terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace touch sensor RH.
LH
LH : Component Function CheckINFOID:0000000006225986
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “TOUCH SEN LH” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Touch sensor LH is OK.
NO >> Refer to DLK-159, "
LH : Diagnosis Procedure".
LH : Diagnosis ProcedureINFOID:0000000006225987
1.CHECK TOUCH SENSOR LH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect touch sensor LH connector.
Automatic back door control module Touch sensor RH Continuity
Connector Terminal Connector Terminal
B26 15 D108 2 Existed
Touch sensor RH ConditionResistance
(Approx.)
Te r m i n a l
1 2 Touch sensor RH Detect obstruction 120
Ω or less
Other than above 1 k Ω ± 10%
Monitor item Condition Status
TOUCH SEN LH Touch sensor LH Other than below OFF
Detect obstruction ON
Revision: 2010 May2011 QX56
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DLK-160
< DTC/CIRCUIT DIAGNOSIS >
TOUCH SENSOR
3. Check voltage between touch sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK TOUCH SENSOR LH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door c ontrol module harness connector and touch sensor LH
harness connector.
3. Check continuity between automatic back door control module harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic back door control module. Refer to DLK-262, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK TOUCH SENSOR LH GROUND CIRCUIT
Check continuity between automatic back door contro l module harness connector and touch sensor LH har-
ness connector.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK TOUCH SENSOR LH
Refer to DLK-160, "
LH : Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace touch sensor LH.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
LH : Component InspectionINFOID:0000000006225988
1.CHECK TOUCH SENSOR LH
1. Turn ignition switch OFF.
2. Disconnect touch sensor LH connector.
(+)
(–)Voltag e
(Approx.)
Touch sensor LH
Connector Terminal D107 1 Ground 6 V
Automatic back door control module Touch sensor LH Continuity
Connector Terminal Connector Terminal
B26 14 D107 1 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 14 Not existed
Automatic back door control module Touch sensor LH Continuity
Connector Terminal Connector Terminal
B26 15 D107 2 Existed
Revision: 2010 May2011 QX56
Page 1697 of 5598
TOUCH SENSORDLK-161
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
3. Check continuity between touch sensor LH terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace touch sensor LH.
Touch sensor LH ConditionResistance
(Approx.)
Te r m i n a l
1 2 Touch sensor LH Detect obstruction 120
Ω or less
Other than above 1 k Ω ± 10%
Revision: 2010 May2011 QX56
Page 1698 of 5598
DLK-162
< DTC/CIRCUIT DIAGNOSIS >
BACK DOOR CLOSURE MOTOR
BACK DOOR CLOSURE MOTOR
Diagnosis ProcedureINFOID:0000000006225989
1.CHECK BACK DOOR CLOSURE MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly connector.
3. Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES >> Replace back door lock assembly.
NO >> GO TO 2.
2.CHECK BACK DOOR CLOSURE MOTOR CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and back door lock
assembly harness connector.
3. Check continuity between automatic back door control module harness connector and ground.
Is the inspection result normal?
YES >> Replace automatic back door control module. Refer to DLK-262, "Removal and Installation".
NO >> Repair or replace harness.
(+)
(–) Condition Voltag e
(Approx.)
Back door lock assembly
Connector Terminal
D157 1
GroundBack door opener
switch Pressed Battery voltage
2Released0 V
Automatic back door control module Back door lock assembly Continuity
Connector Terminal Connector Terminal
B26 11
D157 1
Existed
12 2
Automatic back door control module GroundContinuity
Connector Terminal
B26 11
Not existed
12
Revision: 2010 May2011 QX56
Page 1699 of 5598
AUTOMATIC BACK DOOR WARNING BUZZERDLK-163
< DTC/CIRCUIT DIAGNOSIS >
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AUTOMATIC BACK DOOR WARNING BUZZER
Diagnosis ProcedureINFOID:0000000006225990
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10 A fuse, [No.9, located in fuse block (J/B)].
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK AUTOMATIC BACK DOOR WARNI NG BUZZER POWER SUPPLY CIRCUIT
1. Disconnect automatic back door warning buzzer connector.
2. Check voltage between automatic back door warning buzzer harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK AUTOMATIC BACK DOOR WARNING BUZZER OUTPUT SIGNAL CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and automatic back
door warning buzzer harness connector.
3. Check continuity between automatic back door control module harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK AUTOMATIC BACK DOOR WARNING BUZZER
Refer to DLK-163, "
Component Inspection"
Is the inspection result normal?
YES >> Replace automatic back door control module. Refer to DLK-262, "Removal and Installation".
NO >> Replace automatic back door warning buzzer.
Component InspectionINFOID:0000000006225991
1.CHECK AUTOMATIC BACK DOOR WARNING BUZZER
1. Turn ignition switch OFF.
2. Disconnect automatic back door warning buzzer connector.
3. Check battery power supply directly to automatic back door warning buzzer terminals and check the oper-
ation.
(+)
(–)Voltag e
(Approx.)
Automatic back door warning buzzer
Connector Terminal D159 1 Ground Battery voltage
Automatic back door control module Automatic back door warning buzzer Continuity
Connector Terminal Connector Terminal
B26 1 D159 2 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 1 Not existed
Revision: 2010 May2011 QX56
Page 1700 of 5598
DLK-164
< DTC/CIRCUIT DIAGNOSIS >
AUTOMATIC BACK DOOR WARNING BUZZER
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace automatic back door warning buzzer.
Automatic back door warning buzzerOperation
Te r m i n a l
(+) (-) 1 2 Buzzer sounds
Revision: 2010 May2011 QX56