Infiniti FX35, FX50 (S51). Manual — part 23
ADP-84
< DTC/CIRCUIT DIAGNOSIS >
DETENTION SWITCH
DETENTION SWITCH
Description
INFOID:0000000005249718
Detention switch is installed on A/T shift selector. It is turned OFF when the selector lever is in P position. The
driver seat control unit judges that the selector lever is in P position if continuity does not exist in this circuit.
Component Function Check
INFOID:0000000005249719
1.
CHECK FUNCTION
1.
Turn ignition switch ON.
2.
Select “DETENT SW” signal in “Data monitor” mode with CONSULT-III.
3.
Check detention switch signal under the following conditions.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005249720
1.
CHECK DTC WITH “BCM”
Check “Self Diagnostic Result” for BCM with CONSULT-III.
Is the either DTC B2601, B2602, B2603, B2604 or B2605 detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK DETENTION SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect A/T shift selector harness connector.
3.
Turn ignition switch ON.
4.
Check voltage between A/T shift selector harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK DETENTION SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit.
3.
Check continuity between driver seat control unit harness connector and A/T shift selector harness con-
nector.
4.
Check continuity between driver seat control unit harness connector and ground.
Monitor item
Condition
Status
DETENT SW
Selector lever
P position
OFF
Other than
above
ON
(+)
(-)
Voltage (V)
(Approx.)
A/T shift selector
Connector
Terminal
M137
11
Ground
Battery voltage
Driver seat control unit
A/T shift selector
Continuity
Connector
Terminal
Connector
Terminal
B451
21
M137
11
Existed
DETENTION SWITCH
ADP-85
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-215, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK DETENTION SWITCH
ADP-85, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace A/T shift selector. Refer to
TM-169, "Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005249721
1.
CHECK DETENTION SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect A/T shift selector connector.
3.
Check A/T shift selector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace A/T shift selector. Refer to
TM-169, "Removal and Installation"
Driver seat control unit
Ground
Continuity
Connector
Terminal
B451
21
Not existed
A/T shift selector
Condition
Continuity
Terminal
10
11
Selector lever
P position
Existed
Other than above
Not existed
ADP-86
< DTC/CIRCUIT DIAGNOSIS >
FRONT DOOR SWITCH (DRIVER SIDE)
FRONT DOOR SWITCH (DRIVER SIDE)
Description
INFOID:0000000005249722
Detects front door (driver side) open/close condition.
Component Function Check
INFOID:0000000005249723
1.
CHECK FUNCTION
1.
Turn ignition switch ON.
2.
Select “DOOR SW-DR” in “Data monitor” mode with CONSULT-III.
3.
Check the front door switch (driver side) signal under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
.
Diagnosis Procedure
INFOID:0000000005249724
1.
CHECK FRONT DOOR SWITCH (DRIVER SIDE) SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front door switch (driver side) connector.
3.
Check signal between front door switch (driver side) connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FRONT DOOR SWITCH (DRIVER SIDE) CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM connector and front door switch (driver side) connector.
3.
Check continuity between BCM connector and ground.
Monitor item
Condition
Status
DOOR SW-DR
Front door switch
(driver side)
Open
ON
Close
OFF
(+)
(–)
Voltage (V)
(Approx.)
Front door switch (driver side)
Connector
Terminal
B16
2
Ground
JPMIA0011GB
BCM
Front door switch (driver side)
Continuity
Connector
Terminal
Connector
Terminal
M123
150
B16 2
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
150
Not existed
FRONT DOOR SWITCH (DRIVER SIDE)
ADP-87
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
Is the inspection result normal?
YES
>> Replace BCM. Refer to
.
NO
>> Repair or replace harness.
3.
CHECK FRONT DOOR SWITCH (DRIVER SIDE)
ADP-87, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace front door switch (driver side). Refer to
DLK-280, "Removal and Installation"
.
4.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005249725
1.
CHECK FRONT DOOR SWITCH (DRIVER SIDE)
1.
Turn ignition switch OFF.
2.
Disconnect front door switch (driver side) connector.
3.
Check continuity between front door switch (driver side) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front door switch (driver side). Refer to
DLK-280, "Removal and Installation"
.
Front door switch (driver side)
Condition
Continuity
Terminal
2
Ground part of door
switch
Front door switch
(driver side)
Pushed
Not existed
Released
Existed
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