Infiniti G37 Coupe. Manual — part 17
ADP-62
< COMPONENT DIAGNOSIS >
B2128 UART COMMUNICATION LINE
Is the inspection result normal?
YES
>> Replace automatic drive positioner control unit. Refer to
ADP-237, "Removal and Installation"
NO
>> Repair or replace harness.
Driver seat control unit connec-
tor
Terminal
Ground
Continuity
B503
1
Not existed
17
POWER SUPPLY AND GROUND CIRCUIT
ADP-63
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
DRIVER SEAT CONTROL UNIT
DRIVER SEAT CONTROL UNIT : Diagnosis Procedure
INFOID:0000000001693677
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>>
Check the following.
• Repair or replace harness between driver seat control unit and fuse block (J/B).
• Circuit breaker
2.
CHECK GROUND CIRCUIT
Check continuity between the driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Driver seat control unit power supply and ground circuit are OK.
NO
>> Repair or replace harness between driver seat control unit and ground.
DRIVER SEAT CONTROL UNIT : Special Repair Requirement
INFOID:0000000001693678
1.
PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to
ADP-9, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure
INFOID:0000000001693679
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check voltage between automatic drive positioner control unit harness connector and ground.
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Driver seat control unit connector
Terminal
B504
33
Ground
Battery voltage
40
Driver seat control unit
connector
Terminal
Ground
Continuity
B503
32
Existed
B504
48
ADP-64
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 2.
NO
>>
Check the following.
• Repair or replace harness between driver seat control unit and fuse block (J/B).
• Circuit breaker
2.
CHECK GROUND CIRCUIT
Check continuity between the automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> Automatic drive positioner control unit power supply and ground circuit are OK.
NO
>> Repair or replace harness between automatic drive positioner control unit and ground.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement
INFOID:0000000001693680
1.
PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to
ADP-9, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
.
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Automatic drive positioner control
unit connector
Terminal
M52
34
Ground
Battery voltage
39
Automatic drive positioner control
unit connector
Terminal
Ground
Continuity
M52
40
Existed
48
SLIDING SWITCH
ADP-65
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
SLIDING SWITCH
Description
INFOID:0000000001693682
Sliding 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 sliding switch is operated.
Component Function Check
INFOID:0000000001693683
1.
CHECK FUNCTION
1.
Select “SLIDE SW-FR”, “SLIDE SW-RR” in “Data Monitor” mode with CONSULT-III.
2.
Check sliding switch signal under the following conditions.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000001693684
1.
CHECK SLIDING 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 SLIDING 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
SLIDE SW-FR
Sliding switch (forward)
Operate
ON
Release
OFF
SLIDE SW-RR
Sliding switch (backward)
Operate
ON
Release
OFF
Driver seat control unit
connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
B503
11
Ground
Sliding switch
Operate (backward)
0
Release
Battery voltage
26
Operate (forward)
0
Release
Battery voltage
Driver seat control unit
connector
Terminal
Power seat switch
connector
Terminal
Continuity
B503
11
B510
11
Existed
26
26
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