Infiniti Q45. Manual — part 832

AUTOMATIC DRIVE POSITIONER

SE-83

C

D

E

F

G

H

J

K

L

M

A

B

SE

3.

CHECK HARNESS CONTINUITY

1.

Disconnect driver seat control unit connector and driver power seat switch connector.

2.

Check continuity between driver seat control unit connector
B143 terminals 26, 27 and power seat switch (driver side) con-
nector B144 terminals 26, 27.

3.

Check continuity between driver seat control unit connector
B143 terminals 26, 27 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between driver seat control unit and driver power seat switch (driver

side).

4.

CHECK REAR LIFTING SWITCH

Check continuity between driver seat control unit connector B144
terminal 26, 27 and 15.

OK or NG

OK

>> GO TO 5.

NG

>> Replace power seat switch (driver side).

5.

CHECK POWER SEAT SWITCH GROUND CIRCUIT

Check continuity between power seat switch connector B144 termi-
nal 15 and ground.

OK or NG

OK

>> Check the condition of the harness and connector.

NG

>> Repair or replace harness between power seat switch (driver side) and ground.

26 (P/B) – 26 (P/B)

: Continuity should exist.

27 (B/Y) – 27 (P/Y)

: Continuity should exist.

26 (P/B) – Ground

: Continuity should not exist.

27 (B/Y) – Ground

: Continuity should not exist.

PIIA4352E

Connector

Terminals

Condition

Continuity

B144

26

15

Rear lifting switch ON
(UP operation)

Yes

Rear lifting switch OFF

No

27

Rear lifting switch ON
(DOWN operation)

Yes

Rear lifting switch OFF

No

PIIA4383E

15 (B) – Ground

: Continuity should exist.

PIIA3375E

SE-84

AUTOMATIC DRIVE POSITIONER

Check Telescopic Switch

NIS0013B

1.

CHECK FUNCTION

With CONSULT-II

With "TELESCO SW–FR, TELESCO SWRR"RR" on the DATA
MONITOR, operate the ADP steering switch to check ON/OFF oper-
ation.

Without CONSULT-II

Carry out "SWITCH MONITOR" in the on-board diagnosis function, and operate the ADP steering switch to
check. Refer to

SE-49, "SWITCH MONITOR"

.

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

2.

CHECK TELESCOPIC SWITCH INPUT/OUTPUT

1.

Turn ignition switch OFF.

2.

Check voltage between BCM connector and ground.

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

Monitor item

[OPERATION or UNIT]

Contents

TELESCO SW–FR

"ON/OFF"

Operation (ON)/open (OFF) status
judged from the telescoping switch (FR)
signal is displayed.

TELESCO SW–RR

"ON/OFF"

Operation (ON)/open (OFF) status
judged from the telescoping switch (RR)
signal is displayed.

PIIA0315E

Connector

Terminals

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

M4

22 (R)

Ground

Telescopic switch ON
(forward operation)

0

Telescopic switch OFF

5

26 (GY/R)

Telescopic switch ON
(backward operation)

0

Telescopic switch OFF

5

PIIA3305E

AUTOMATIC DRIVE POSITIONER

SE-85

C

D

E

F

G

H

J

K

L

M

A

B

SE

3.

CHECK HARNESS CONTINUITY

1.

Disconnect BCM connector and ADP steering switch connector.

2.

Check continuity between BCM connector M4 terminals 22, 26
and ADP steering switch connector M51 terminals 4, 5.

3.

Check continuity between BCM connector M4 terminals 22, 26
and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between BCM and ADP steering switch.

4.

CHECK TELESCOPIC SWITCH

Check continuity between ADP steering switch connector M51 termi-
nal 4, 5 and 1.

OK or NG

OK

>> GO TO 5.

NG

>> Replace ADP steering switch.

5.

CHECK ADP STEERING SWITCH GROUND CIRCUIT

Check continuity between ADP steering switch connector M51 termi-
nal 1 and ground.

OK or NG

OK

>> Check the condition of the harness and connector.

NG

>> Replace or replace harness between ADP steering switch and ground.

22 (R) – 5 (R)

: Continuity should exist.

26 (GY/R) – 4 (GY/R)

: Continuity should exist.

22 (R) – Ground

: Continuity should not exist.

26 (GY/R) – Ground

: Continuity should not exist.

PIIA3307E

Connector

Terminals

Condition

Continuity

M51

4

1

Telescopic switch ON
(backward operation)

Yes

Telescopic switch OFF

No

5

Telescopic switch ON
(forward operation)

Yes

Telescopic switch OFF

No

PIIA4481E

1 (B) – Ground

:Continuity should exist.

PIIA3308E

SE-86

AUTOMATIC DRIVE POSITIONER

Check Tilt Switch

NIS0013C

1.

CHECK FUNCTION

With CONSULT-II

With "TILT SW-UP,TILT SW-DOWN" on the DATA MONITOR, oper-
ate the ADP steering switch to check ON/OFF operation.

Without CONSULT-II

Carry out "SWITCH MONITOR" in the on-board diagnosis function, and operate the ADP steering switch to
check. Refer to

SE-49, "SWITCH MONITOR"

.

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

2.

CHECK ADP STEERING SWITCH (TILT) INPUT/OUTPUT

1.

Turn ignition switch OFF.

2.

Check voltage between BCM connector and ground.

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

Monitor item

[OPERATION or UNIT]

Contents

TILT SW-UP

"ON/OFF"

Operation (ON)/open (OFF) status judged from
the tilt switch (UP) signal is displayed.

TILT SW-DOWN

"ON/OFF"

Operation (ON)/open (OFF) status judged from
the tilt switch (DOWN) signal is displayed.

PIIA0315E

Connector

Terminals

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

M4

23 (W/R)

Ground

Tilt switch ON
(DOWN operation)

0

Tilt switch OFF

5

36 (Y/G)

Tilt switch ON
(UP operation)

0

Tilt switch OFF

5

PIIA3306E