Infiniti F50. Manual - part 766

AUTOMATIC DRIVE POSITIONER

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Seat Sliding Motor Circuit Inspection

EIS0041N

1. 

CHECK SEAT SLIDING MECHANISM

Check the following.

●

Operation malfunction caused by sliding rail deformation or pinched harness or other foreign materials

●

Operation malfunction caused by foreign materials adhered to the sliding motor or sliding rail connector
rod

●

Operation malfunction and interference with other parts by poor installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair the malfunction part and check again.

2. 

CHECK FUNCTION

With CONSULT-II

Check operation with "SEAT SLIDE" in ACTIVE TEST. 

Without CONSULT-II

Perform the self-diagnosis. Refer to 

SE-51

 .

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

3. 

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector and sliding motor connector.

3.

Check continuity between driver seat control unit connector
B142 terminals 1 (W), 8 (BR) and sliding motor connector B146
terminals 1 (W), 8 (BR).

4.

Check continuity between driver seat control unit connector
B142 terminals 1 (W), 8 (BR) and ground.

OK or NG

OK

>> GO TO 4.

NG

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

Test item

Description

SEAT SLIDE

The sliding motor is activated by receiving the drive signal.

PIIA0265E

1 (W) – 1 (W)

: Continuity should exist.

8 (BR) – 8 (BR)

: Continuity should exist.

1 (W) – Ground

:Continuity should not exist.

8 (BR) – Ground

:Continuity should not exist.

PIIA2921E

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AUTOMATIC DRIVE POSITIONER

4. 

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect the driver seat control unit connector and sliding motor connector.

2.

Check voltage between the driver seat control unit connector.

OK or NG

OK

>> Replace sliding motor.

NG

>> Replace driver seat control unit.

Seat Reclining Motor Circuit Inspection

EIS0041O

1. 

CHECK SEAT RECLINING MECHANISM

Check following.

●

Operation malfunction caused by an interference with the center pillar or center console

●

Operation malfunction and interference with other parts by poor installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair the malfunction part and check again.

2. 

CHECK FUNCTIONAL

With CONSULT-II

Check operation with "SEAT RECLINING" in ACTIVE TEST. 

Without CONSULT-II

Perform the self-diagnosis. Refer to 

SE-51

 .

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

Connector

Terminals 

(Wire color)

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B142

1 (W)

Ground

Sliding switch
(forward operation).

Battery voltage

Sliding switch OFF.

0

8 (BR)

Sliding switch
(backward operation).

Battery voltage

Sliding switch OFF.

0

PIIA4895E

Test item

Description

SEAT
RECLINING

The reclining motor is activated by receiving the drive signal.

PIIA0268E

AUTOMATIC DRIVE POSITIONER

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3. 

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF. 

2.

Disconnect driver seat control unit congregator and reclining motor connector.

3.

Check continuity between driver seat control unit connector B142 terminals 2 (G), 9 (LG) and reclining
motor connector B147 terminals 2 (G), 9 (LG).

4.

Check continuity between driver seat control unit connector
B142 terminals 2 (G), 9 (LG) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between driver seat control

unit and reclining motor.

4. 

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect the driver seat control unit and reclining motor connector.

2.

Check voltage between driver seat control unit connector.

OK or NG

OK

>> Replace reclining motor.

NG

>> Replace driver seat control unit.

Front Lifting Motor Circuit Inspection

EIS0041P

1. 

CHECK FRONT LIFTING MECHANISM

Check the following.

●

Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials

●

Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws

●

Operation malfunction and interference with other parts by installation

OK or NG

OK

>> GO TO 2.

NG

>> Repair the malfunctioning part and check again.

2 (G) – 2 (G)

: Continuity should exist.

9 (LG) – 9 (LG)

: Continuity should exist.

2 (G) – Ground

:Continuity should not exist.

9 (LG) – Ground

:Continuity should not exist.

PIIA2923E

Connector

Terminals 

(Wire color)

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B142

2 (G)

Ground

Reclining switch
(forward operation).

Battery voltage

Reclining switch OFF.

0

9 (LG)

Reclining switch
(backward operation).

Battery voltage

Reclining switch OFF.

0

PIIA4896E

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AUTOMATIC DRIVE POSITIONER

2. 

CHECK FUNCTION

With CONSULT-II

Check operation with "SEAT LIFTER FR" in ACTIVE TEST.

Without CONSULT-II

Carry out the self-diagnosis. Refer to 

SE-51

 .

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

3. 

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

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

3.

Check continuity between driver seat control unit connector B142 and terminals 10 (OR), 11 (P) and front
lifting motor connector B148 terminals 10 (OR), 11 (P).

4.

Check continuity between driver seat control unit connector
B142 and terminals 10 (OR), 11 (P) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between driver seat control

unit and front lifting motor.

Test item

Description

SEAT
LIFTER FR

The front end lifter motor is activated by receiving the drive sig-
nal.

PIIA0271E

10 (OR) – 10 (OR)

: Continuity should exist.

11 (P) – 11 (P)

: Continuity should exist.

10 (OR) – Ground

:Continuity should not exist.

11 (P) – Ground

:Continuity should not exist.

PIIA2925E