Infiniti Q45. Manual - part 820

AUTOMATIC DRIVE POSITIONER

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Work Flow 

NIS0012L

1.

Check the symptom and customer's requests.

2.

Understand the system description. Refer to 

SE-13, "System Description"

 .

3.

Perform the preliminary check. Refer to 

SE-35, "Preliminary Check"

 .

4.

Perform the communication diagnosis. 
With CONSULT–II, Refer to 

SE-40, "IVMS Communication Diagnosis"

 .

Without CONSULT–II, refer to 

SE-46, "COMMUNICATION DIAGNOSIS"

 .

 Is the communication diagnosis result OK? 
If OK, GO TO 7. 
If NG, GO TO 5.

5.

Repair or replace depending on the diagnosis result.

6.

Perform the communication diagnosis again.
With CONSULT–II, refer to 

SE-40, "IVMS Communication Diagnosis"

 .

Without CONSULT–II, refer to 

SE-46, "COMMUNICATION DIAGNOSIS"

 .

Is the communication diagnosis result OK? 
If OK, GO TO 7.
 If NG, GO TO 5.

7.

Perform the self-diagnosis.
With CONSULT–II, refer to 

SE-43, "SELF-DIAGNOSIS RESULTS"

 . 

Without CONSULT–II, refer to 

SE-50, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-

TIONER"

 .

Is the self-diagnosis result OK? 
If OK, GO TO 11. 
If NG, GO TO 8.

8.

Repair or replace depending on the self-diagnosis result.

9.

Perform the self-diagnosis again.
With CONSULT–II, refer to 

SE-43, "SELF-DIAGNOSIS RESULTS"

 .

Without CONSULT–II, refer to 

SE-50, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-

TIONER"

 .

Is the self-diagnosis result OK? 
If OK, GO TO 11.
 If NG, GO TO 8.

10. Based on the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to 

SE-52,

"Symptom Chart"

 .

11. Does the automatic drive positioned system operate normally?

If it is normal, GO TO 12. 
If it is not normal, GO TO 4.

12. Inspection end.

Preliminary  Check

NIS0012M

SETTING CHANGE FUNCTION

The settings of the automatic driving position system can be changed, using CONSULT–II and the display unit
in the center of the instrument panel.

31

W/R

Rear lifting sensor
signal

Input

Rear lifting motor operation

Other than above

 0 or 5

32

R/W

Ground (sensor)

—

Ignition switch ON

 0

Ter-

minal

Wire

Color

Item

Signal

input/output

Condition

Voltage (V)

(Approx.)

SIIA0693J

SE-36

AUTOMATIC DRIVE POSITIONER

×

: Applicable   –: Not applicable

NOTE:
After the setting is registered, the new setting is effective, even if the battery is disconnected.

CHECK POWER SUPPLY AND GROUND CIRCUIT

1. 

CHECK FUSE

Check that any of the following fuses in the BCM are blown.

NOTE:
Refer to 

SE-17, "Component Parts and Harness Connector Location"

 .

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to 

PG-2,

"POWER SUPPLY ROUTING"

 .

Setting item

Content

CONSULT–II

(WORK SUPPORT)

Display unit

Factory 

setting

EXITING OPERATION 
PART SET

The applied parts at exit  can be 
selected from the following 4 modes.

Mode 1

Steering wheel and seat

—

×

Mode 2

Steering wheel only

—

Mode 3

Seat only

—

Mode 4

No operation

—

Tilt Steering Wheel When 
Exiting Vehicle

Tilt of the steering wheel at entry and 
exit  can be selected: ON 
(operated)–OFF (not operated)

—

ON: Indicator lamp ON

×

OFF: Indicator lamp OFF

—

Sliding Driver Seat When 
Entry / Exiting Vehicle

The seat sliding turnout and return at 
entry/exit can be selected: ON 
(operated)–OFF (not operated)

—

ON: Indicator lamp ON

×

OFF: Indicator lamp OFF

—

Unit

Signal name

Fuse No.

Location

BCM

Battery power

H (40A)

Fuse, fusible link and relay block (J/B)

3 (10A)

Fuse block (J/B) No.1

ACC or ON power supply

21 (10A)

START power supply

14 (10A)

ON or START power supply

1 (10A)

AUTOMATIC DRIVE POSITIONER

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2. 

CHECK POWER SUPPLY CIRCUIT (BCM)

Check voltage between BCM connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open and short between BCM and fuse.

3. 

CHECK GROUND CIRCUIT (BCM)

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM connector M4 terminal 56, 113, 114 and ground.

OK or NG

OK

>> BCM circuit is OK. Check the driver seat control unit.

GO TO 4.

NG

>> Repair or replace the harness between BCM and

ground. 

4. 

CHECK POWER SUPPLY CIRCUIT (DRIVER SEAT CONTROL UNIT)

Check voltage between driver seat control unit connector B142 terminal 16A and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between driver seat control

unit and fuse block (J/B) No. 1.

Connector

Terminals 

(Wire color)

Condition

Voltage (V) 

(Approx.)

(+)

(–)

M4

104 (Y/B)

105 (Y/L)

Ground

Ignition switch 
OFF

Battery voltage

60 (L/OR)

Ignition switch
ACC or ON

55 (B/W)

Ignition switch 
START

68 (W/B)

Ignition switch
ON or START

PIIB2135E

56 (B) – Ground

:Continuity should exist.

113 (B) – Ground

:Continuity should exist.

114 (B) – Ground

:Continuity should exist.

PIIA0259E

16A (R) – Ground

:Battery voltage.

PIIB2136E

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AUTOMATIC DRIVE POSITIONER

5. 

CHECK GROUND CIRCUIT (DRIVER SEAT CONTROL UNIT)

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

Check continuity between the driver seat control unit connector B142 terminal 14A, 15B and ground.

OK or NG

OK

>> Driver seat control unit circuit is OK.

NG

>> Repair or place harness between driver seat control unit

(LCU 02) and ground.

14A (B/W) – Ground

:Continuity should exist.

15B (B) – Ground

:Continuity should exist.

PIIA4471E