Infiniti QX56 (JA60). Manual — part 24
LIFTING SENSOR (REAR)
ADP-87
< COMPONENT DIAGNOSIS >
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LIFTING SENSOR (REAR)
Description
INFOID:0000000005147535
• The lifting sensor (rear) is installed to the power seat frame assembly.
• The pulse signal is input to the driver seat control unit when the lifting (rear) is operated.
• The driver seat control unit counts the pulse and calculates the lifting (rear) amount of the seat.
Component Function Check
INFOID:0000000005147536
1.
CHECK FUNCTION
1. Select “LIFT RR PULSE” in “Data monitor” mode with CONSULT-III.
2. Check lifting sensor (rear) signal under the following conditions.
Is the indication normal?
YES
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005147537
Regarding Wiring Diagram information, refer to
1.
CHECK LIFTING SENSOR (REAR) SIGNAL
1. Turn ignition switch OFF.
2. Read voltage signal between driver seat control unit harness
connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK LIFTING SENSOR (REAR) CIRCUIT
Monitor item
Condition
Value
LIFT RR PULSE
Seat lifting (rear)
Operate (up)
Change (increase)
Operate (down)
Change (decrease)
Release
No change
Terminals
Condition
Voltage signal
(+)
(–)
Driver
seat con-
trol unit
connector
Termi-
nal
B202
10
Ground
Seat
lifting
(rear)
Oper-
ate
Other
than
above
0 or 5
PIIA4563E
SIIA0693J
ADP-88
< COMPONENT DIAGNOSIS >
LIFTING SENSOR (REAR)
1. Disconnect driver seat control unit and lifting motor (rear).
2. Check the continuity between driver seat control unit harness
connector and lifting motor (rear) harness connector.
3. 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 SEAT OPERATION
1. Connect driver seat control unit and lifting motor (rear).
2. Check the seat operation [except lifting (rear) operation] with memory function.
Is the operation normal?
YES
>> Replace lifting motor (rear). (Built in power seat frame assembly). Refer to
.
NO
>> Replace driver seat control unit. Refer to
ADP-174, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-174, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
Driver seat control
unit connector
Terminal
Lifting motor (rear)
connector
Terminal
Continuity
B202 (A)
10
B207 (B)
4
Yes
16
3
31
2
Driver seat control unit
connector
Terminal
Ground
Continuity
B202 (A)
10
No
16
31
ALJIA0320ZZ
TILT SENSOR
ADP-89
< COMPONENT DIAGNOSIS >
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ADP
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TILT SENSOR
Description
INFOID:0000000005147538
• The tilt sensor is installed to the steering column assembly.
• The resistance of tilt sensor is changed according to the up/down position of steering column.
• The terminal voltage of automatic drive positioner control unit will be changed according to a change of tilt
sensor resistance. Automatic drive positioner control unit calculates the tilt position from the voltage.
Component Function Check
INFOID:0000000005147539
1.
CHECK FUNCTION
1. Select “TILT SEN” in “Data monitor” mode with CONSULT-III.
2. Check the tilt sensor signal under the following condition.
Is the indication normal?
YES
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005147540
Regarding Wiring Diagram information, refer to
1.
CHECK TILT SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner connector
and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK HARNESS CONTINUITY
Monitor item
Condition
Value
TILT SEN
Tilt position
Change between
1.2 V (Close to top)
3.4 V (Close to bottom)
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M33
7
Ground
Tilt top position
2
Tilt bottom position
4
LIIA0485E
ADP-90
< COMPONENT DIAGNOSIS >
TILT SENSOR
1. Disconnect automatic drive positioner control unit and tilt motor
assembly.
2. Check continuity between automatic drive positioner connector
M33 (A), M34 (B) terminals 7, 33, 41 and tilt motor assembly
connector M85 (C) terminals 2, 3, 4.
3. Check continuity between automatic drive positioner control unit
connectors M33 (A), M34 (B) terminals 7, 33, 41 and ground.
Is the inspection result normal?
YES
>> Replace tilt motor assembly. Refer to
.
NO
>> Repair or replace harness.
3.
CHECK DOOR MIRROR OPERATION
1. Connect automatic drive positioner control unit and tilt motor assembly.
2. Turn ignition switch ON.
3. Check door mirror operation with memory function.
Is the operation normal?
YES
>> Replace tilt motor assembly. Refer to
ST-19, "Removal and Installation"
.
NO
>> Replace automatic drive positioner control unit. Refer to
ADP-175, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace automatic drive positioner control unit. Refer to
ADP-175, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
7 - 3
: Continuity should exist.
33 - 2
: Continuity should exist.
41 - 4
: Continuity should exist.
7 - Ground
: Continuity should not exist.
33 - Ground
: Continuity should not exist.
41 - Ground
: Continuity should not exist.
ALJIA0291ZZ
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