Infiniti M45 (Y34). Manual - part 766

AUTOMATIC DRIVE POSITIONER

SE-85

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 (P/B), 27 (B/Y) and power seat switch (driver
side) connector B144 terminals 26 (P/B), 27 (B/Y). 

3.

Check continuity between driver seat control unit connector
B143 terminals 26 (P/B), 27 (B/Y) and body 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 END LIFTING SWITCH

Check continuity between driver seat switch.

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 14 (B/W) and body ground.

OK or NG

OK

>> Check the harness and connector.

NG

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

PIIA3304E

Connector

Terminals

 (Wire color)

Condition

Continuity

(+)

(–)

B143

26 (P/B)

14 (B/W)

Rear lifting switch ON(UP 
operation)

Yes

Rear lifting switch OFF

No

27 (B/Y)

Rear lifting switch ON
(DOWN operation)

Yes

Rear lifting switch OFF

No

PIIA4480E

14 (B/W) – Ground

: Continuity should exist.

PIIA3297E

SE-86

AUTOMATIC DRIVE POSITIONER

Steering Wheel Telescopic Switch Inspection

AIS001KH

1. 

CHECK FUNCTION

With CONSULT-II

With “TELESCO SW–FR, TELESCO SW–RR” on the DATA MONI-
TOR, operate the ADP steering switch to check ON/OFF operation.

Without CONSULT-II

Carry out “SWITCH MONITOR” in the self-diagnosis function, and operate the ADP steering switch to check.
Refer to 

SE-49

 .

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

2. 

CHECK TELESCOPIC SWITCH INPUT/OUTPUT

Check voltage between BCM connector and body ground.

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

3. 

CHECK HARNESS CONTINUITY

1.

Disconnect BCM connector and ADP steering switch connector.

2.

Check continuity between BCM connector M4 terminals 22 (R/
B), 26 (G/B) and ADP steering switch connector M51 terminals 4
(G/B), 5 (R/B). 

3.

Check continuity between BCM connector M4 terminals 22 (R/
B), 26 (G/B) and body ground.

OK or NG

OK

>> GO TO 4.

NG

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

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/B)

Ground

Telescopic switch ON 
(FR operation)

0

Telescopic switch OFF

5

26 (G/B)

Telescopic switch ON 
(RR operation)

0

Telescopic switch OFF

5

PIIA3305E

22 (R/B) – 5 (R/B)

: Continuity should exist.

26 (G/B) – 4 (G/B)

: Continuity should exist.

22 (R/B) – Ground

: Continuity should not exist.

26 (G/B) – Ground

: Continuity should not exist.

PIIA3307E

AUTOMATIC DRIVE POSITIONER

SE-87

C

D

E

F

G

H

J

K

L

M

A

B

SE

4. 

CHECK TELESCOPIC SWITCH

Check continuity between ADP steering switch.

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 (B) and body ground.

OK or NG

OK

>> Check the harness and connector.

NG

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

Steering Wheel Tilt Switch Inspection

AIS001KI

1. 

CHECK FUNCTION

With CONSULT-II

With “TILT SW–UP, TILT SW–DOWN” on the DATA MONITOR,
operate the ADP steering switch to check ON/OFF operation.

Without CONSULT-II

Carry out “SWITCH MONITOR” in the self-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.

Connector

Terminals

 (Wire color)

Condition

Continuity

(+)

(–)

M51

4 (G/B)

1 (B)

Telescopic switch ON 
(RR operation)

Yes

Telescopic switch OFF

No

5 (R/B)

Telescopic switch ON 
(FR operation)

Yes

Telescopic switch OFF

No

PIIA4481E

1 (B) – Ground

: Continuity should exist.

PIIA3308E

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

SE-88

AUTOMATIC DRIVE POSITIONER

2. 

CHECK ADP STEERING SWITCH (TILT) INPUT/OUTPUT

1.

Turn ignition switch turn OFF.

2.

Check voltage between BCM connector and body ground.

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

3. 

CHECK HARNESS CONTINUITY

1.

Disconnect BCM connector and ADP steering switch connector.

2.

Check continuity between BCM connector M4 terminals 23 (PU/
R), 36 (P/L) and ADP steering switch connector M51 terminals 2
(P/L), 3 (PU/R).

3.

Check continuity between BCM connector M4 terminals 23 (PU/
R), 36 (P/L) and body ground.

OK or NG

OK

>> GO TO 4.

NG

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

4. 

CHECK ADP STEERING SWITCH (TILT)

Check continuity between ADP steering switch.

OK or NG

OK

>> GO TO 5.

NG

>> Replace ADP steering switch.

Connector

Terminals

 (Wire color)

Condition

Voltage (V) 

(Approx)

(+)

(–)

M4

Ground

23 (PU/R)

Ground

Tilt switch ON
(DOWN operation)

0

Tilt switch OFF

5

36 (P/L)

Tilt switch ON (UP oper-
ation)

0

Tilt switch OFF

5

PIIA3306E

23 (PU/R) – 3 (PU/R)

: Continuity should exist.

36 (P/L) – 2 (P/L)

: Continuity should exist.

23 (PU/R) – Ground

: Continuity should not exist.

36 (P/L) – GRound

: Continuity should not exist.

PIIA3309E

Connector

Terminals

 (Wire color)

Condition

Continuity

(+)

(–)

M51

2 (P/L)

1 (B)

Tilt switch ON (UP oper-
ation)

Yes

Tilt switch OFF

No

3 (PU/R)

Tilt switch ON
(DOWN operation)

Yes

Tilt switch OFF

No

PIIA4482E