Nissan Maxima. Instruction — part 20
ADP-72
< DTC/CIRCUIT DIAGNOSIS >
FRONT DOOR SWITCH (DRIVER SIDE)
FRONT DOOR SWITCH (DRIVER SIDE)
Description
INFOID:0000000010051769
Detects front door LH open/close condition.
Component Function Check
INFOID:0000000010051770
1.
CHECK FUNCTION
1. Select “DOOR SW-FL” in “DATA MONITOR” mode with CONSULT.
2. Check the front door switch signal under the following conditions.
Is the indication normal?
YES
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
.
Diagnosis Procedure
INFOID:0000000010051771
Regarding Wiring Diagram information, refer to
1.
CHECK FRONT DOOR SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector and front door switch
LH connector.
4. Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace harness.
2.
CHECK FRONT DOOR SWITCH LH
ADP-73, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace front door switch LH. Refer to
DLK-230, "Removal and Installation"
.
3.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
Monitor item
Condition
Status
DOOR SW-FL
Front door switch LH
Open
ON
Close
OFF
BCM connector
Terminal
Front door switch
LH connector
Terminal
Continuity
M18 (A)
58
B8 (B)
2
Yes
BCM connector
Terminal
Ground
Continuity
M18 (A)
58
No
ALJIA0402ZZ
FRONT DOOR SWITCH (DRIVER SIDE)
ADP-73
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
Component Inspection
INFOID:0000000010051772
1.
CHECK FRONT DOOR SWITCH LH
1. Turn ignition switch OFF.
2. Disconnect front door switch LH.
3. Check continuity between front door switch LH terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front door switch LH. Refer to
DLK-230, "Removal and Installation"
.
Terminal
Condition
Continuity
Front door switch LH
2
Ground part of
door switch
Front door switch
LH
Pushed
No
Released
Yes
LIIA2377E
ADP-74
< DTC/CIRCUIT DIAGNOSIS >
SLIDING SENSOR
SLIDING SENSOR
Description
INFOID:0000000010051773
• The sliding sensor is installed to the seat frame.
• The pulse signal is input to the driver seat control unit when sliding is performed.
• The driver seat control unit counts the pulse and calculates the sliding amount of the seat.
Component Function Check
INFOID:0000000010051774
1.
CHECK FUNCTION
1. Select “SLIDE PULSE” in “DATA MONITOR” mode with CONSULT.
2. Check sliding sensor switch signal under the following conditions.
Is the indication normal?
YES
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000010051775
Regarding Wiring Diagram information, refer to
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
>> Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
NO
>> GO TO 2
2.
CHECK SLIDING SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and front power seat LH (sliding motor).
3. Check continuity between driver seat control unit harness connector and front power seat LH (sliding
motor) harness connector.
Monitor item
Condition
Value
SLIDE PULSE
Seat sliding
Operate (forward)
Change (decrease)
Operate (backward)
Change (increase)
Release
No change
Terminals
Condition
Voltage signal
(+)
(–)
Driver’s seat
control unit
Terminal
B203
31
Ground
Seat sliding
Operate
Other than
above
0 or 5
JMJIA0119ZZ
SLIDING SENSOR
ADP-75
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
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.
2. Turn ignition switch ON.
3. Check voltage between front power seat LH (sliding motor) har-
ness 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.
3. Check continuity between driver seat control unit harness connector and front power seat LH (sliding
motor) harness connector.
4. Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
NO
>> Repair or replace harness.
5.
CHECK SLIDING SENSOR GROUND
1. Turn ignition switch OFF.
2. Check continuity between front power seat LH (sliding motor) harness connector and ground.
Driver seat control unit
Front power seat LH (sliding motor)
Continuity
Connector
Terminal
Connector
Terminal
B203
31
B206
12
Yes
Driver seat control unit
Ground
Continuity
Connector
Terminal
B203
31
No
(+)
(–)
Voltage (V)
(Approx.)
Sliding motor
Connector
Terminals
B206
11
Ground
Battery voltage
ALJIA0405ZZ
Driver seat control unit
Front power seat LH (sliding motor)
Continuity
Connector
Terminal
Connector
Terminal
B203
5
B206
11
Yes
Driver seat control unit
Ground
Continuity
Connector
Terminal
B203
5
No
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