Infiniti G37 Coupe. Manual — part 25
![](/vehicles/zatt/keash/ckiif/mincoye.png)
ADP-94
< COMPONENT DIAGNOSIS >
PARKING BRAKE SWITCH
YES
>> GO TO 4.
NO
>> Adjust or replace parking brake switch.
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace driver seat control unit.
NO
>> Repair or replace malfunctioning part.
Component Inspection
INFOID:0000000001693729
1.
CHECK PARKING BRAKE SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect parking brake switch connector.
3.
Check continuity between parking brake switch terminal and ground part of parking brake switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Adjust or replace parking brake switch.
Terminal
Condition
Continuity
Parking brake switch
1
Ground part of
parking brake switch
Parking brake
Applied
Existed
Release
Not existed
![](/vehicles/zatt/keash/ckiif/zoun.png)
SLIDING SENSOR
ADP-95
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
SLIDING SENSOR
Description
INFOID:0000000001693734
• The sliding sensor is installed on the seat slide cushion frame.
• The pulse signal is transmitted to the driver seat control unit when sliding is operated.
• The driver seat control unit counts the pulse and calculates the sliding amount of the seat.
Component Function Check
INFOID:0000000001693735
1.
CHECK FUNCTION
1.
Select “SLIDE PULSE” in “Data Monitor” mode with CONSULT-III.
2.
Check sliding sensor signal under the following conditions.
*1
: The value at the seat position attained when the battery is connected is considered to be 32768.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform daiagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000001693736
1.
CHECK SLIDING SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 2.
2.
CHECK SLIDING SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and sliding sensor connector.
3.
Check continuity between driver seat control unit harness connector and sliding sensor harness connec-
tor.
Monitor item
Condition
Valve
SLIDE PULSE
Seat sliding
Operate (forward)
Change (increase)
*1
Operate (backward)
Change (decrease)*
1
Release
No change
*1
Terminals
Condition
Voltage signal
(+)
(–)
Driver seat control unit
connector
Terminal
B503
24
Ground
Seat sliding
Operate
Other than
above
0 or 5
JMJIA0119ZZ
![](/vehicles/zatt/keash/ckiif/zwhalinontor.png)
ADP-96
< COMPONENT DIAGNOSIS >
SLIDING SENSOR
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK SLIDING SENSOR POWER SUPPLY
1.
Connect driver seat control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between sliding sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK SLIDING SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and sliding sensor harness connec-
tor.
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
5.
CHECK SLIDING SENSOR GROUND
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and sliding sensor harness connec-
tor.
Is the inspection result normal?
YES
>> GO TO 7.
Driver seat control unit
connector
Terminal
Sliding sensor
connector
Terminal
Continuity
B503
24
B526
24
Existed
Driver seat control unit
connector
Terminal
Ground
Continuity
B503
24
Not existed
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Sliding sensor connector
Terminal
B526
16
Ground
5
Driver seat
control unit connector
Terminal
Sliding sensor
connector
Terminal
Continuity
B503
16
B526
16
Existed
Driver seat control unit
connector
Terminal
Ground
Continuity
B503
16
Not existed
Driver seat control unit
connector
Terminal
Sliding sensor
connector
Terminal
Continuity
B503
31
B526
31
Existed
![](/vehicles/zatt/keash/ckiif/windoly.png)
SLIDING SENSOR
ADP-97
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
NO
>> Repair or replace harness.
6.
CHECK SEAT OPERATION
1.
Connect driver seat control unit connector and sliding sensor connector.
2.
Check seat operation (except sliding operation) with memory function.
Is the operation normal?
YES
>> Replace sliding sensor. (Built in seat slide cushion frame.)
NO
>> Replace driver seat control unit.
7.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-236, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
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