2011 INFINITI QX56 door

DLK-150
< DTC/CIRCUIT DIAGNOSIS >
AUTOMATIC BACK DOOR CLOSE SWITCH
AUTOMATIC BACK DOOR CLOSE SWITCH
Component Function CheckINFOID:0000000006225971
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “BK DOOR CL SW” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Automatic back door close switch is OK.
NO >> Refer to DLK-150, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225972
1.CHECK AUTOMATIC BACK DOOR CLOSE SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect automatic back door close switch connector.
3. Check voltage between automatic back door close switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK AUTOMATIC BACK DOOR CLOSE SWITCH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and automatic back
door close switch 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 AUTOMATIC BACK DOOR CLOSE SWITCH GROUND CIRCUIT
Check continuity between automatic back door close switch harness connector and ground.
Monitor item Condition Status
BK DOOR CL SW Automatic back door close switch Pressed ON
Released OFF
(+)
(–)Vol tag e
(Approx.)
Automatic back door close switch
Connector Terminal D158 1 Ground Battery voltage
Automatic back door control module Automatic back door close switch Continuity
Connector Terminal Connector Terminal
B26 4 D158 1 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 4 Not existed
Revision: 2010 May2011 QX56

AUTOMATIC BACK DOOR CLOSE SWITCHDLK-151
< 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 AUTOMATIC BACK DOOR CLOSE SWITCH
Refer to DLK-151, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace automatic back door close switch.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225973
1.CHECK AUTOMATIC BACK DOOR CLOSE SWITCH
1. Turn ignition switch OFF.
2. Disconnect automatic back door close switch connector.
3. Check continuity between automatic back door close switch terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace automatic back door close switch.
Automatic back door close switch GroundContinuity
Connector Terminal
D158 2 Existed
Automatic back door close switch Condition Continuity
Te r m i n a l
12 Automatic back door
close switch Pressed Existed
Released Not existed
Revision: 2010 May2011 QX56

DLK-152
< DTC/CIRCUIT DIAGNOSIS >
AUTOMATIC BACK DOOR MAIN SWITCH
AUTOMATIC BACK DOOR MAIN SWITCH
Component Function CheckINFOID:0000000006225974
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “MAIN SW” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Automatic back door main switch is OK.
NO >> Refer to DLK-152, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225975
1.CHECK AUTOMATIC BACK DOOR MAIN SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect automatic back door main switch connector.
3. Check voltage between automatic back door main switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK AUTOMATIC BACK DO OR MAIN SWITCH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and automatic back
door main switch harness connector.
3. Check continuity between automatic back door control module 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 AUTOMATIC BACK DOOR MAIN SWITCH GROUND CIRCUIT
Check continuity between automatic back door main switch connector and ground.
Monitor item Condition Status
MAIN SW Automatic back door main switch ON ON
OFF OFF
(+)
(–)Voltag e
(Approx.)
Automatic back door main switch
Connector Terminal M110 1 Ground Battery voltage
Automatic back door control module Automatic back door main switch Continuity
Connector Terminal Connector Terminal
B26 17 M110 1 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 17 Not existed
Revision: 2010 May2011 QX56

AUTOMATIC BACK DOOR MAIN SWITCHDLK-153
< 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 AUTOMATIC BACK DOOR MAIN SWITCH
Refer to DLK-153, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace automatic back door main switch.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000006225976
1.CHECK AUTOMATIC BACK DOOR MAIN SWITCH
1. Turn ignition switch OFF.
2. Disconnect automatic back door switch connector.
3. Check continuity between automatic back door main switch terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace automatic back door main switch.
Automatic back door main switch
GroundContinuity
Connector Terminal
M110 3 Existed
Automatic back door main switch Condition Continuity
Terminal
13 Automatic back door
main switchON Existed
OFF Not existed
Revision: 2010 May2011 QX56

DLK-154
< DTC/CIRCUIT DIAGNOSIS >
AUTOMATIC BACK DOOR SWITCH
AUTOMATIC BACK DOOR SWITCH
Component Function CheckINFOID:0000000006225977
1.CHECK FUNCTION
1. Select “AUTOMATIC BACK DOOR CONTROL UNIT” using CONSULT-III.
2. Select “AUTO BD SW” in “DATA MONITOR” mode.
3. Check that the function operates normall y according to the following conditions.
Is the inspection result normal?
YES >> Automatic back door switch is OK.
NO >> Refer to DLK-154, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006225978
1.CHECK AUTOMATIC BACK DOOR SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect automatic back door switch connector.
3. Check voltage between automatic back door switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK AUTOMATIC BACK DOOR SWITCH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and automatic back
door switch 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 AUTOMATIC BACK DOOR SWITCH GROUND CIRCUIT
Check continuity between automatic bac k door switch harness connector and ground.
Monitor item Condition Status
AUTO BD SW Automatic back door switch Pressed ON
Released OFF
(+)
(–)Vo l ta g e
(Approx.)
Automatic back door switch
Connector Terminal M127 1 Ground Battery voltage
Automatic back door control module Automatic back door switch Continuity
Connector Terminal Connector Terminal
B26 2 M127 1 Existed
Automatic back door control module GroundContinuity
Connector Terminal
B26 2 Not existed
Revision: 2010 May2011 QX56

AUTOMATIC BACK DOOR SWITCHDLK-155
< 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 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

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

HALF LATCH SWITCHDLK-157
< 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 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