Infiniti QX56 (Z62). Manual — part 20
LIFTING SWITCH (FRONT)
ADP-73
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
LIFTING SWITCH (FRONT)
Component Function Check
INFOID:0000000006248363
1.
CHECK FUNCTION
1.
Select “LIFT FR SW-UP”, “LIFT FR SW-DN” in “Data monitor” mode with CONSULT-III.
2.
Check lifting switch (front) signal under the following conditions.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000006248364
1.
CHECK LIFTING SWITCH (FRONT) INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch connector.
3.
Turn ignition switch ON.
4.
Check voltage between power seat switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK LIFTING SWITCH (FRONT) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and power seat switch harness con-
nector.
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace driver seat control unit.
Monitor item
Condition
Status
LIFT FR SW-UP
Lifting switch front (up)
Operate
ON
Release
OFF
LIFT FR SW-DN
Lifting switch front (down)
Operate
ON
Release
OFF
(+)
(-)
Voltage (V)
(Approx.)
Power seat switch
Connector
Terminals
B459
10
Ground
12
26
Driver seat control unit
Power seat switch
Continuity
Connector
Terminal
Connector
Terminal
B452
10
B459
10
Existed
26
26
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
10
Not existed
26
ADP-74
< DTC/CIRCUIT DIAGNOSIS >
LIFTING SWITCH (FRONT)
NO
>> Repair or replace harness or connector.
3.
CHECK LIFTING SWITCH (FRONT)
ADP-74, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace power seat switch.
4.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000006248365
1.
CHECK LIFTING SWITCH (FRONT)
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch (lifting switch front) connector.
3.
Check continuity between power seat switch (lifting switch front) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace power seat switch.
Power seat switch (lifting switch front)
Condition
Continuity
Terminal
10
43
Lifting switch front (down)
Operate
Existed
Release
Not existed
26
Lifting switch front (up)
Operate
Existed
Release
Not existed
LIFTING SWITCH (REAR)
ADP-75
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
LIFTING SWITCH (REAR)
Component Function Check
INFOID:0000000006248366
1.
CHECK FUNCTION
1.
Select “LIFT RR SW-UP”, “LIFT RR SW-DN” in “Data monitor” mode with CONSULT-III.
2.
Check lifting switch (rear) signal under the following conditions.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000006248367
1.
CHECK LIFTING SWITCH (REAR) INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch connector.
3.
Turn ignition switch ON.
4.
Check voltage between power seat switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK LIFTING SWITCH (REAR) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and power seat switch harness con-
nector.
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace driver seat control unit.
Monitor item
Condition
Status
LIFT RR SW-UP
Lifting switch rear (up)
Operate
ON
Release
OFF
LIFT RR SW-DN
Lifting switch rear (down)
Operate
ON
Release
OFF
(+)
(-)
Voltage (V)
(Approx.)
Power seat switch
Connector
Terminals
B459
11
Ground
12
27
Driver seat control unit
Power seat switch
Continuity
Connector
Terminal
Connector
Terminal
B452
11
B459
11
Existed
27
27
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
11
Not existed
27
ADP-76
< DTC/CIRCUIT DIAGNOSIS >
LIFTING SWITCH (REAR)
NO
>> Repair or replace harness or connector.
3.
CHECK LIFTING SWITCH (REAR)
ADP-76, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace power seat switch.
4.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000006248368
1.
CHECK LIFTING SWITCH (REAR)
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch (lifting switch rear) connector.
3.
Check continuity between power seat switch (lifting switch rear) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace power seat switch.
Power seat switch (lifting switch rear)
Condition
Continuity
Terminal
11
43
Lifting switch rear (down)
Operate
Existed
Release
Not existed
27
Lifting switch rear (up)
Operate
Existed
Release
Not existed
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