Nissan Maxima. Manual — part 23
ADP-84
< DTC/CIRCUIT DIAGNOSIS >
LIFTING SENSOR (REAR)
4. Check the 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 LIFTING SENSOR (REAR) POWER SUPPLY
1. Connect driver seat control unit.
2. Turn ignition switch ON.
3. Check the voltage between front power seat LH [lifting motor (rear)] harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 4
4.
CHECK LIFTING SENSOR (REAR) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit.
3. Check the continuity between driver seat control unit harness connector and front power seat LH [lifting
motor (rear)] harness connector.
4. Check the 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 LIFTING SENSOR (REAR) GROUND
Driver seat control unit
Front power seat LH [lifting motor (rear)]
Continuity
Connector
Terminal
Connector
Terminal
B203
29
B206
8
Yes
Driver seat control unit
Ground
Continuity
Connector
Terminal
B203
29
No
(+)
(–)
Voltage (V)
(Approx.)
Front power seat LH [lifting motor (rear)]
Connector
Terminals
B206
7
Ground
Battery voltage
Driver seat control unit
Front power seat LH [lifting motor (rear)]
Continuity
Connector
Terminal
Connector
Terminal
B203
5
B206
7
Yes
Driver seat control unit
Ground
Continuity
Connector
Terminal
B203
5
No
LIFTING SENSOR (REAR)
ADP-85
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
1. Turn ignition switch OFF.
2. Check the continuity between front power seat LH [lifting motor
(rear)] harness connector and ground.
Is the inspection result normal?
YES
>> Replace front power seat LH [lifting motor (rear)]. Refer
to
SE-68, "Removal and Installation"
NO
>> Repair or replace harness.
Front power seat LH [lifting motor (rear)]
Ground
Continuity
Connector
Terminal
B206
13
Yes
ALJIA0422ZZ
ADP-86
< DTC/CIRCUIT DIAGNOSIS >
TILT SENSOR
TILT SENSOR
Description
INFOID:0000000010051785
• The tilt sensor is installed to the steering column assembly.
• The pulse signal is input to the driver seat control unit when the tilt is operated.
• The driver seat control unit counts the pulse and calculates the tilt amount of the steering column.
Component Function Check
INFOID:0000000010051786
1.
CHECK FUNCTION
1. Select “TILT PULSE” in “DATA MONITOR” mode with CONSULT.
2. Check tilt sensor signal under the following conditions.
Is the indication normal?
YES
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000010051787
Regarding Wiring Diagram information, refer to
1.
CHECK TILT SENSOR SIGNAL
1. Turn ignition switch ON.
2. Check voltage signal between driver seat control unit 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 TILT SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and tilt motor.
3. Check continuity between driver seat control unit harness connector and tilt motor harness connector.
Monitor item
Condition
Value
TILT PULSE
Steering column
Operate (UP-WARD)
Change (decrease)
Operate (DOWN-WARD)
Change (increase)
Release
No change
(+)
(–)
Condition
Voltage (V)
(Approx.)
Driver seat control unit
Connector
Terminals
B203
28
Ground
Steering col-
umn
Operate
Other than
above
0 or 5
JMJIA0119ZZ
TILT SENSOR
ADP-87
< 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 TILT SENSOR POWER SUPPLY
1. Connect driver seat control unit.
2. Turn ignition switch ON.
3. Check voltage between tilt motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 4
4.
CHECK TILT SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit.
3. Check continuity between automatic drive positioner control unit
harness connector and tilt motor harness connector.
4. Check continuity between automatic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic drive positioner control unit. Refer to
ADP-170, "Removal and Installation"
.
NO
>> Repair or replace harness or connector.
5.
CHECK TILT SENSOR GROUND CIRCUIT
Driver seat control unit
Tilt motor
Continuity
Connector
Terminal
Connector
Terminal
B203
28
M71
5
Yes
Driver seat control unit
Ground
Continuity
Connector
Terminal
B203
28
No
(+)
(–)
Voltage (V)
(Approx.)
Tilt motor
Connector
Terminals
M71
4
Ground
Battery voltage
Automatic drive positioner con-
trol unit
Tilt motor
Continuity
Connector
Terminal
Connector
Terminal
M67 (A)
27
M71 (B)
4
Yes
ALJIA0426ZZ
Automatic drive positioner control unit
Ground
Continuity
Connector
Terminal
M67 (A)
27
No
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