Infiniti M35/M45 Y50. Manual - part 1071

AUTOMATIC DRIVE POSITIONER

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Check Seat Memory and Set Switch Circuit 

NIS0026S

1. 

CHECK FUNCTION

 With CONSULT-II

With  “SET  SW,  MEMORY  SW1,  MEMORY  SW2”  on  the  DATA
MONITOR, operate the switch to check ON/OFF operation. 

 Without CONSULT-II

1.

Turn ignition switch OFF.

2.

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

OK or NG

OK

>> Seat memory switch circuit is OK.

NG

>> GO TO 2.

2. 

CHECK SEAT MEMORY SWITCH

1.

Disconnect seat memory switch connector.

2.

Operate the setting switch and seat memory switch.

3.

Check continuity between seat memory switch as follows.

OK or NG

OK

>> GO TO 3.

NG

>> Replace seat memory switch.

Monitor item 

[OPERATION or UNIT]

Contents

SET SW

“ON/OFF”

ON/OFF status judged from the setting 
switch signal is displayed.

MEMORY SW1

“ON/OFF”

ON/OFF status judged from the seat 
memory switch 1 signal is displayed.

MEMORY SW2

“ON/OFF”

ON/OFF status judged from the seat 
memory switch 2 signal is displayed.

Automatic 

drive posi-

tioner con-

trol unit 

connector

Terminals

Condition

Voltage [V]

(Approx.)

(+)

(-)

M6

9

Ground

Memory switch 1: ON

0

Other than above

5

24

Set switch: ON

0

Other than above

5

25

Memory switch 2: ON

0

Other than above

5

MIIB0690E

PIIB6188E

Seat memory 

switch

Terminal

Condition

Continuity

D9

1

4

Memory switch 1 ON

Yes

Memory switch 1: OFF

No

2

Memory switch 2: ON

Yes

Memory switch 2: OFF

No

3

Set switch: ON

Yes

Set switch: OFF

No

PIIB6189E

SE-82

AUTOMATIC DRIVE POSITIONER

3. 

CHECK HARNESS CONTINUITY

1.

Disconnect automatic drive positioner control unit connector.

2.

Check continuity between automatic drive positioner control unit
connector and seat memory switch connector.

3.

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

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK SEAT MEMORY SWITCH GROUND CIRCUIT

Check continuity between seat memory switch connector and
ground.

OK or NG

OK

>> Replace automatic drive positioner control unit.

NG

>> Repair or replace harness.

Check Seat Memory Indicator Lamp Circuit 

NIS0026T

1. 

CHECK FUNCTION

 With CONSULT-II

With “MEMORY SW INDCTR” in ACTIVE TEST, check operation.

OK or NG

OK

>> Seat memory switch indicator lamp circuit is OK.

NG

>> GO TO 2.

A

B

Continuity 

Automatic drive 

positioner control 

unit connector

Terminal

Seat memory 

switch connector

Terminal

M6

9

D9

1

Yes

24

3

25

2

A

Ground

Continuity 

Automatic drive posi-

tioner 

control unit connector

Terminal

M6

9

No

24

25

PIIB6190E

Seat memory switch connector

Terminal

Ground

Continuity 

D9

4

Yes

PIIB6191E

Test item

Description

MEMORY SW 
INDCTR

The memory switch indicator is lit by receiving the drive signal.

PIIA0319E

AUTOMATIC DRIVE POSITIONER

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2. 

CHECK SEAT MEMORY INDICATOR LAMP POWER SYUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect seat memory switch connector.

3.

Check voltage between seat memory switch connector and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check the following.

●

10A fuse [No.18, Located in the fuse block (J/B)]

●

Harness for open or short between seat memory switch and fuse.

3. 

CHECK SEAT MEMORY INDICATOR CIRCUIT HARNESS CONTINUITY

1.

Disconnect automatic drive positioner control unit connector.

2.

Check continuity between automatic drive positioner control unit
connector and seat memory switch connector. 

3.

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

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Seat memory 

switch connector

Terminal

D9

5

Ground

Battery voltage

PIIB6192E

A

B

Continuity 

Automatic drive 

positioner control 

unit connector

Terminal

Seat memory 

switch connector

Terminal

M6

12

D9

6

Yes

13

7

A

Ground

Continuity 

Automatic drive posi-

tioner 

control unit connector

Terminal

M6

12

No

13

PIIB6193E

SE-84

AUTOMATIC DRIVE POSITIONER

4. 

CHECK SEAT MEMORY SWITCH INDICATOR SIGNAL

1.

Connect seat memory switch connector.

2.

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

OK or NG

OK

>> Replace automatic drive positioner control unit.

NG

>> Replace seat memory switch.

Check Door Mirror Sensor Power Supply and Ground Circuit 

NIS0026U

1. 

CHECK DOOR MIRROR SENSOR CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect automatic drive positioner control unit and door mirror (LH and RH) connector.

3.

Check continuity between automatic drive positioner control unit
connector and door mirror connector LH/RH.

4.

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

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Seat memory 

switch connector

Terminal

M6

12

Ground

Battery voltage

13

PIIB6194E

A

B

Continuity 

Automatic drive 

positioner control 

unit connector

Terminal

Door mirror

connector

Terminal

M7

33

D2 (LH)

11

Yes

41

D39 (RH)

12

A

Ground

Continuity 

Automatic drive positioner 

control unit connector

Terminal

M7

33

No

41

PIIB6164E