Infiniti G37 Coupe. Manual — part 18
ADP-66
< COMPONENT DIAGNOSIS >
SLIDING SWITCH
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1.
Connect the driver seat control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace driver seat control unit.
4.
CHECK SLIDING SWITCH
ADP-66, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace power seat switch.
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace driver seat control unit.
NO
>> Repair or replace the malfunctioning part.
Component Inspection
INFOID:0000000001693685
1.
CHECK SLIDING SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch (sliding switch) connector.
3.
Check continuity between power seat switch (sliding switch) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace power seat switch.
Driver seat control unit
connector
Terminal
Ground
Continuity
B503
11
Not existed
26
Driver seat control unit
connector
Terminals
Voltage (V)
(Approx.)
(+)
(–)
B503
11
Ground
Battery voltage
26
Terminal
Condition
Continuity
Power seat switch (Sliding switch)
32
11
Sliding switch (backward)
Operate
Existed
Release
Not existed
26
Sliding switch (forward)
Operate
Existed
Release
Not existed
RECLINING SWITCH
ADP-67
< COMPONENT DIAGNOSIS >
C
D
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F
G
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A
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ADP
N
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RECLINING SWITCH
Description
INFOID:0000000001693686
Reclining switch is equipped to the power seat switch on the seat cushion side surface. The operation signal is
inputted to the driver seat control unit when the reclining switch is operated.
Component Function Check
INFOID:0000000001693687
1.
CHECK FUNCTION
1.
Select “RECLN SW-FR”, “RECLN SW-RR” in “Data Monitor” mode with CONSULT-III.
2.
Check reclining switch signal under the following conditions.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000001693688
1.
CHECK RECLINING SWITCH SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK RECLINING SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and power seat switch 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.
Monitor item
Condition
Status
RECLINE SW-FR
Reclining switch (forward)
Operate
ON
Release
OFF
RECLINE SW-RR
Reclining switch (backward)
Operate
ON
Release
OFF
Driver seat control unit
connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
B503
12
Ground
Reclining switch
Operate (backward)
0
Release
Battery voltage
27
Operate (forward)
0
Release
Battery voltage
Driver seat control unit
connector
Terminal
Power seat switch
connector
Terminal
Continuity
B503
12
B510
12
Existed
27
27
ADP-68
< COMPONENT DIAGNOSIS >
RECLINING SWITCH
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1.
Connect the driver seat control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace driver seat control unit.
4.
CHECK RECLINING SWITCH
ADP-68, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace power seat switch.
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace driver seat control unit.
NO
>> Repair or replace the malfunctioning part.
Component Inspection
INFOID:0000000001693689
1.
CHECK RECLINING SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch (reclining switch) connector.
3.
Check continuity between power seat switch (reclining switch) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace power seat switch.
Driver seat control unit
connector
Terminal
Ground
Continuity
B503
12
Not existed
27
Driver seat control unit
connector
Terminals
Voltage (V)
(Approx.)
(+)
(–)
B503
12
Ground
Battery voltage
27
Terminal
Condition
Continuity
Power seat switch (Reclining switch)
32
12
Reclining switch (backward)
Operate
Existed
Release
Not existed
27
Reclining switch (forward)
Operate
Existed
Release
Not existed
LIFTING SWITCH (FRONT)
ADP-69
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
LIFTING SWITCH (FRONT)
Description
INFOID:0000000001693690
Lifting switch (front) is equipped to the power seat switch on the seat cushion side surface. The operation sig-
nal is inputted to the driver seat control unit when the lifting switch (front) is operated.
Component Function Check
INFOID:0000000001693691
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:0000000001693692
1.
CHECK LIFTING SWITCH (FRONT) SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK LIFTING SWITCH (FRONT) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and power seat switch 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.
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
Driver seat control unit
connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
B503
13
Ground
Lifting switch
(front)
Operate (down)
0
Release
Battery voltage
28
Operate (up)
0
Release
Battery voltage
Driver seat control unit
connector
Terminal
Power seat switch
connector
Terminal
Continuity
B503
13
B510
13
Existed
28
28
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