2005 INFINITI QX4 sensor

SE-56
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
Reclining Sensor Circuit InspectionEIS004Y0
1. CHECK FUNCTION
With CONSULT-II
Check operation with “RECLN PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Reclining sensor circuit is OK.
NG >> GO TO 2.
2. CHECK RECLINING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and reclining motor LH.
2. Check continuity between driver seat control unit connector P2
terminals 9, 31 and reclining motor LH connector P5 terminals 1,
2.
3. Check continuity between driver seat control unit connector P2
terminals 9, 31 and ground.
OK or NG
OK >> Replace reclining motor.
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
RECLN PULSE —The seat reclining position (pulse) judged
from the reclining sensor is displayed
PIIA4558E
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
P2 9 (L/R) GroundReclining
motor
operation
PIIA4559E
PIIA3278E
9 (L/R) - 1 (L/R) : Continuity should exist.
31 (L/Y) - 2 (L/Y) : Continuity should exist.
9 (L/R) - Ground : Continuity should not exist.
31 (L/Y) - Ground : Continuity should not exist.
LIIA0707E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
Lifting Sensor (Front) Circuit InspectionEIS004Y1
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT FR PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Front lifting sensor is OK.
NG >> GO TO 2.
2. CHECK FRONT LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and lifting motor (front).
2. Check continuity between driver seat control unit connector P2 terminals 16, 25, 31 and lifting motor
(front) connector P6 terminals 1, 2, 3.
3. Check continuity between driver seat control unit connector P2
terminals 16, 25, 31 and ground.
OK or NG
OK >> Replace lifting motor (front).
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
LIFT FR PULSE —The front lifting position (pulse) judged
from the lifting sensor (front) is dis-
played
PIIA4558E
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
P2 25 (LG) GroundLifting
motor
(front)
operation
PIIA4561E
PIIA3278E
16 (W) - 3 (W) : Continuity should exist.
25 (LG) - 2 (LG) : Continuity should exist.
31 (L/Y) - 1 (L/Y) : Continuity should exist.
16 (W) - Ground : Continuity should not exist.
25 (LG) - Ground : Continuity should not exist.
31 (L/Y) - Ground : Continuity should not exist.
LIIA0708E

SE-58
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
Lifting Sensor (Rear) Circuit InspectionEIS004Y2
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT RR PULSE” on the DATA MONITOR to make sure pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Rear lifting sensor circuit is OK.
NG >> GO TO 2.
2. CHECK REAR LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and lifting motor (rear).
2. Check continuity between driver seat control unit connector P2 terminals 10, 16, 31 and lifting motor (rear)
connector P7 terminals 1, 2, 3.
3. Check continuity between driver seat control unit connector P2
terminals 10, 16, 31 and ground.
OK or NG
OK >> Replace lifting motor (rear).
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT]
LIFT RR PULSE —The rear lifting position (pulse) judged from
the lifting sensor (rear) is displayed.
PIIA4558E
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
P2 10 (W) GroundLifting
motor
(rear)
operation
PIIA4563E
PIIA3278E
10 (W) - 2 (W) : Continuity should exist.
16 (W) - 3 (W) : Continuity should exist.
31 (L/Y) - 1 (L/Y) : Continuity should exist.
10 (W) - Ground : Continuity should not exist.
16 (W) - Ground : Continuity should not exist.
31 (L/Y) - Ground : Continuity should not exist.
LIIA0709E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
Pedal Adjusting Sensor Circuit InspectionEIS004Y3
1. CHECK FUNCTION
With CONSULT-II
Operate the pedal adjusting switch with “PEDAL SEN” on the DATA
MONITOR to make sure the voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> Pedal adjusting sensor circuit is OK.
NG >> GO TO 2.
Monitor item [OPERA-
TION or UNIT]Contents
PEDAL
SEN“V”The pedal adjusting position (voltage) judged from the
pedal adjust sensor signal is displayed.
PIIA4568E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M33 8 (BR/Y) GroundPedal
front end position0.5
Pedal
back end position4.5
PIIA4569E

SE-60
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
2. CHECK PEDAL ADJUSTING SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit and pedal adjusting sensor.
2. Check continuity between automatic drive positioner connector M33, M34 terminals 8, 33, 41 and pedal
adjusting sensor connector E110 terminals 3, 4, 5.
3. Check continuity between automatic drive positioner control unit
connector M33, M34 terminals 8, 33, 41 and ground.
OK or NG
OK >> Replace pedal adjusting motor.
NG >> Repair or replace harness.
Mirror Sensor LH Circuit Check EIS004Y4
1. CHECK DOOR MIRROR FUNCTION
Check the following items.
Operation malfunction in memory control
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning parts, and check the symptom again.8 (BR/Y) - 4 (BR/Y) : Continuity should exist.
33 (W/L) - 3 (W/L) : Continuity should exist.
41 (W/G) - 5 (W/G) : Continuity should exist.
8 (BR/Y) - Ground : Continuity should not exist.
33 (W/L) - Ground : Continuity should not exist.
41 (W/G) - Ground : Continuity should not exist.
LIIA1003E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT–II
Check that “ON” is displayed on “MIR/SEN LH R–L, MIR/
SEN LH U–D" in the DATA MONITOR.
Without CONSULT–II
1. Turn ignition switch to ACC.
2. Check voltage between door mirror LH connector and ground.
OK or NG
OK >> Mirror sensor LH is OK.
NG >> GO TO 3.
3. CHECK HARNESS CONTINUITY 1
1. Disconnect automatic drive positioner control unit and door mirror LH.
2. Check continuity between automatic drive positioner control unit connector M34 terminals 33, 41 and door
mirror LH connector D4 terminals 5, 6.
3. Check continuity between automatic drive positioner control unit
connector M34 terminal 33, 41 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Monitor item [OPERATION or
UNIT]Contents
MIR/
SENLHR–L“V”Voltage output from door mirror LH sensor (LH/
RH) is displayed.
MIR/
SENLHU–D“V”Voltage output from door mirror LH sensor (UP/
DOWN) is displayed.
Con-
nectorTerminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
D47 (L/Y)
GroundMirror motor is
operated UP or
DOWN Changes between
3.4 (close to peak) –
0.6 (close to valley)
8 (G)Mirror motor is
operated LEFT or
RIGHTChanges between
3.4 (close to right edge) –
0.6 (close to left edge)
PIIA4568E
LIIA1482E
33 (W/L) - 5 (W/L) : Continuity should exist.
41 (W/G) - 6 (W/G) : Continuity should exist.
33 (W/L) - Ground : Continuity should not exist.
41 (W/G) - Ground : Continuity should not exist.
LIIA1483E

SE-62
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
4. CHECK HARNESS CONTINUITY 2
1. Disconnect automatic drive positioner control unit and door mirror LH.
2. Check continuity between automatic drive positioner control unit connector M33 terminals 6, 22 and door
mirror LH connector D4 terminals 7, 8.
3. Check continuity between automatic drive positioner control unit
connector M33 terminals 6, 22 and ground.
OK or NG
OK >> Replace door mirror LH. Refer to GW-97, "Door Mirror
Assembly" .
NG >> Repair or replace harness.
Mirror Sensor RH Circuit Check EIS004Y5
1. CHECK DOOR MIRROR FUNCTION
Check the following items.
Operation malfunction in memory control
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning parts, and check the symptom again.
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT–II
Check that “ON” is displayed on “MIR/SEN RH R–L, MIR/
SEN RH U–D" in the DATA MONITOR.
Without CONSULT–II
1. Turn ignition switch to ACC.
2. Check voltage between door mirror RH connector and ground.
OK or NG
OK >> Mirror sensor RH is OK.
NG >> GO TO 3.6 (L/Y) - 7 (L/Y) : Continuity should exist.
22 (G) - 8 (G) : Continuity should exist.
6 (L/Y) - Ground : Continuity should not exist.
22 (G) - Ground : Continuity should not exist.
LIIA1484E
Monitor item [OPERATION
or UNIT]Contents
MIR/
SENRHR–L“V”Voltage output from door mirror RH sensor (LH/
RH) is displayed.
MIR/
SENRHU–D“V”Voltage output from door mirror RH sensor (UP/
DOWN) is displayed.
Con-
nectorTerminals (Wire color)
ConditionVoltage(V)
(Approx.)
(+) (–)
D1077 (R/B)
GroundMirror motor is
operated UP or
DOWN Changes between
3.4 (close to peak) –
0.6 (close to valley)
8 (L/W)Mirror motor is
operated LEFT or
RIGHTChanges between
3.4 (close to left edge) –
0.6 (close to right edge)
PIIA4568E
LIIA1485E

SE-64
AUTOMATIC DRIVE POSITIONER
Revision: October 20052005 QX56
Steering Wheel Tilt Sensor Circuit InspectionEIS004Y6
1. CHECK FUNCTION
With CONSULT-II
Operate the pedal adjusting switch with “TILT SEN” on the DATA
MONITOR to make sure the voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner connector
and ground.
OK or NG
OK >> Steering wheel tilt sensor circuit is OK.
NG >> GO TO 2.
Monitor item [OPERA-
TION or UNIT]Contents
TILT
SEN“V”The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.
PIIA0295E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M33 7 (Y/R) GroundPedal
front end position0.6
Pedal
back end position4.5
LIIA0485E