Infiniti FX35 / FX45. Manual - part 924

SE-54

< SERVICE INFORMATION >

AUTOMATIC DRIVE POSITIONER

2.

Check continuity between driver seat control unit connector
B152 terminals 18, 28C and sliding motor connector B161 termi-
nals 18, 28.

3.

Check continuity between driver seat control unit connector
B152 terminals 18, 28C and ground.

OK or NG

OK

>> Replace sliding motor.

NG

>> Repair or replace harness between driver seat control unit and sliding motor.

Check Reclining Sensor Circuit

INFOID:0000000001328120

1.

CHECK FUNCTION

 With CONSULT-III

Check operation with “RECLINING PULSE” on the DATA MONITOR to make sure the pulse changes.

 Without CONSULT-III

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 SENSOR HARNESS CONTINUITY

1.

Disconnect driver seat control unit connector and reclining motor connector.

18 (G/L) – 18 (G/L)

: Continuity should exist.

28C (B/W) – 28 (B/W)

: Continuity should exist.

18 (G/L) – Ground

: Continuity should not exist.

28C (B/W) – Ground

: Continuity should not exist.

PIIA6106E

Monitor item [PO-

ERATION or UNIT]

Contents

RECLN PULSE

The seat reclining position (pulse) judged from the reclining 
sensor is displayed

Connector

Terminals 

(Wire color)

Condition

Signal

(Reference value)

(+)

(–)

B152

29 (G)

Ground

Reclining 
motor op-
eration

PIIA6107E

SIIA0692J

AUTOMATIC DRIVE POSITIONER

SE-55

< SERVICE INFORMATION >

C

D

E

F

G

H

J

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A

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N

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P

2.

Check continuity between driver seat control unit connector
B152 terminals 28C, 29 and reclining motor connector B166 ter-
minals 28, 29.

3.

Check continuity between driver seat control unit connector
B152 terminals 28C, 29 and ground.

OK or NG

OK

>> Replace reclining motor.

NG

>> Repair or replace harness between connectors driver seat control unit and reclining motor.

Check Front Lifting Sensor Circuit

INFOID:0000000001328121

1.

CHECK FUNCTION

 With CONSULT-III

Check operation with “LIFT FR PULSE” on the DATA MONITOR to make sure the pulse changes.

 Without CONSULT-III

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 circuit is OK.

NG

>> GO TO 2.

2.

CHECK FRONT LIFTING SENSOR HARNESS CONTINUITY

1.

Disconnect driver seat control unit connector and front lifting motor connector.

28C (B/W) – 28 (B/W)

: Continuity should exist.

29 (G) – 29 (G)

: Continuity should exist.

28C (B/W) – Ground

: Continuity should not exist.

29 (G) – Ground

: Continuity should not exist.

PIIA6108E

Monitor item [OP-

ERATION or UNIT]

Contents

LIFT FR PULSE

The front lifting position (pulse) judged from the front lifting 
sensor is displayed

Connector

Terminals

 (Wire color)

Condition

Signal

(Reference value)

(+)

(–)

B152

19 (G/R)

Ground

Front lift-
ing motor 
operation

PIIA6109E

SIIA0691J

SE-56

< SERVICE INFORMATION >

AUTOMATIC DRIVE POSITIONER

2.

Check continuity between driver seat control unit connector
B152 terminals 19, 28C and front lifting motor connector B164
terminals 19, 28A.

3.

Check continuity between driver seat control unit connector
B152 terminals 19, 28C and ground.

OK or NG

OK

>> Replace front lifting motor.

NG

>> Repair or replace harness between driver seat control unit and front lifting motor.

Check Rear Lifting Sensor Circuit

INFOID:0000000001328122

1.

CHECK REAR LIFTING SENSOR INPUT/OUTPUT SIGNAL

 With CONSULT-III

Check operation with “LIFT RP PULSE” on the DATA MONITOR to make sure pulse changes.

 Without CONSULT-III

1.

Turn ignition switch OFF.

2.

Check signal between driver seat control unit connector ground, with oscilloscope.

OK or NG

OK

>> Rear lifting sensor circuit is OK.

NG

>> GO TO 2.

2.

CHECK REAR LIFTING SENSOR HARNESS CONTINUITY

1.

Disconnect driver seat control unit connector and rear lifting motor connector.

19 (G/R) – 19 (G/R)

: Continuity should exist.

28C (B/W) – 28A (B/W)

: Continuity should exist.

19 (G/R) – Ground

: Continuity should not exist.

28C (B/W) – Ground

: Continuity should not exist.

PIIA6110E

Monitor item [OP-

ERATION or UNIT

Contents

LIFT RR PULSE

The rear lifting position (pulse) judged from the rear lifting 
sensor is displayed.

Connector

Terminals 

(Wire color)

Condition

Signal

(Reference value)

(+)

(–)

B152

30 (R/W)

Ground

Rear lift-
ing motor 
operation

PIIA6111E

SIIA0693J

AUTOMATIC DRIVE POSITIONER

SE-57

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

SE

N

O

P

2.

Check continuity between driver seat control unit connector
B152 terminals 28C, 30 and rear lifting motor connector B162
terminals 28B, 30.

3.

Check continuity between driver seat control unit connector
B152 terminals 28C, 30 and ground.

OK or NG

OK

>> Replace rear lifting motor.

NG

>> Repair or replace harness between driver seat control unit and rear lifting motor.

Check Telescopic Sensor Circuit

INFOID:0000000001328123

1.

CHECK FUNCTION

With CONSULT-III

Operate the telescopic switch with “TELESCO SEN” on the DATA MONITOR to make sure the voltage
changes.

Without CONSULT-III

1.

Turn ignition switch OFF.

2.

Check voltage between automatic drive positioner control unit connector and ground.

OK or NG

OK

>> Telescopic sensor circuit is OK.

NG

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY

1.

Disconnect automatic drive positioner control unit connector and tilt sensor and telescopic sensor connec-
tor. 

28C (B/W) – 28B (B/W)

: Continuity should exist.

30 (R/W) – 30 (R/W)

: Continuity should exist.

28C (B/W) – Ground

: Continuity should not exist.

30 (R/W) – Ground

: Continuity should not exist.

PIIA6112E

Monitor item

 [OPERATION or UNIT]

Contents

TELESCO
SEN

“V”

The telescoping position (voltage) judged from the tele-
scoping sensor signal is displayed.

Connector

Terminals

 (Wire color)

Condition

Voltage (V) 

(Approx.)

(+)

(–)

M49

23 (Y/B)

Ground

Telescopic
top position

1

Telescopic 
bottom position

4

PIIA5070E