Infiniti M45 (Y34). Manual - part 762

AUTOMATIC DRIVE POSITIONER

SE-69

C

D

E

F

G

H

J

K

L

M

A

B

SE

4. 

CHECK DETENTION SWITCH SIGNAL HARNESS

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector M4 terminal 8 (G/OR) and A/T device (detention switch) con-
nector M97 terminal 7 (G/OR).

3.

Check continuity harness between BCM connector M4 terminal
8 (G/OR) and body ground.

OK or NG

OK

>> Replace BCM.

NG

>> Repair or replace harness between BCM and A/T device

(detention switch).

Telescopic Sensor Circuit Inspection

AIS001K7

1. 

CHECK FUNCTION

With CONSULT-II

Operate the telescopic switch with “TELESCO SEN” on the DATA
MONITOR to check that the voltage changes.

Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Check voltage between BCM connector and body ground.

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

2. 

CHECK STEERING WHEEL TILT MECHANISM

Check the operation malfunction caused by steering wheel tilt mechanism deformation or parts are loose.

OK or NG

OK

>> GO TO 3.

NG

>> Repair the malfunctioning parts.

8 (G/OR) – 7(G/OR)

: Continuity should exist.

8 (G/OR) – Ground

: Continuity should not exist.

PIIA3283E

Monitor item [OPERA-

TION or UNIT]

Contents

TELESCO
SEN

"V"

The telescoping position (voltage) judged from the tele-
scoping sensor signal is displayed.

PIIA0295E

Connector

Terminals

 (Wire color)

Condition

Voltage (V) 

(Approx)

(+)

(–)

M4

62 (P/B)

Ground

Telescopic
top position

2

Telescopic 
bottom position

4

PIIA0296E

SE-70

AUTOMATIC DRIVE POSITIONER

3. 

CHECK HARNESS CONTINUITY

1.

Disconnect BCM and telescopic sensor  connector. 

2.

Check continuity harness between BCM connector M4 terminals 53 (L/B), 54 (R), 62 (P/B) and telescopic
sensor connector M59 terminals 1 (R), 2 (P/B), 3 (L/B).

3.

Check continuity harness between BCM connector M59 termi-
nals 53 (L/B), 54 (R), 62 (P/B) and body ground.

OK or NG

OK

>> Replace telescopic sensor.

NG

>> Repair or replace harness between BCM and telescopic sensor.

Tilt Sensor Circuit Inspection

AIS001K8

1. 

CHECK FUNCTION

With CONSULT-II

With “TILT SEN” on the DATA MONITOR, operate the tilt switch to
check that the voltage changes.

Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Check voltage between BCM connector and body ground.

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

2. 

CHECK TILT STEERING MECHANISM

Check the operation malfunction caused by steering wheel tilt melanism deformation or parts are loose. 

OK or NG

OK

>> GO TO 3.

NG

>> Repair the malfunctioning parts.

53 (L/B) – 3 (L/B)

: Continuity should exist.

54(R) – 1 (R)

: Continuity should exist.

62 (P/B) – 2 (P/B)

: Continuity should exist.

53 (L/B) – Ground

: Continuity should not exist.

54 (R) – Ground

: Continuity should not exist.

62 (P/B) – Ground

: Continuity should not exist.

PIIA3284E

Monitor item [OPERA-

TION or UNIT]

Contents

TILT SEN

"V"

The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.

PIIA0295E

Connector

Terminals 

(Wire color)

Condition

Voltage (V) 

(Approx)

(+)

(–)

M4

46 (LG/R)

Ground

Tilt top position

2

Tilt bottom position

4

PIIA0299E

AUTOMATIC DRIVE POSITIONER

SE-71

C

D

E

F

G

H

J

K

L

M

A

B

SE

3. 

CHECK HARNESS

1.

Disconnect BCM connector and tilt sensor connector.

2.

Check continuity harness between BCM connector M4 terminals 46 (LG/R), 53 (L/B), 54 (R) and tilt sen-
sor connector M57 terminals 1 (R), 2 (LG/R), 3 (L/B).

3.

BCM connector M4 terminals 46 (LG/R), 53 (L/B), 54 (R) and
body ground.

OK or NG

OK

>> Replace tilt sensor.

NG

>> Repair or replace harness between BCM and tilt sensor.

Key Switch and Key Lock Solenoid Circuit Inspection

AIS001K9

1. 

CHECK KEY SWITCH AND KEY LOCK SOLENOID

Connect the key switch and key lock solenoid connector M64.

With CONSULT-II

With “IGN KEY SW” on the DATA MONITOR, Check ON/OFF opera-
tion.

Without CONSULT-II

GO TO 2.

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

2. 

CHECK FUSE 

Check if any of the following fuses is blown.

NOTE:
Refer to 

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

 .

OK or NG

OK

>> GO TO 3.

NG

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

SE-17,

"Component Parts and Harness Connector Location"

 .

46 (LG/R) – 2 (LG/R)

: Continuity should exist.

53 (L/B) – 3 (L/B)

: Continuity should exist.

54 (R) – 1 (R)

: Continuity should exist.

46 (LG/R) – Ground

: Continuity should not exist.

53 (L/B) – Ground

: Continuity should not exist.

54 (R) – Ground

: Continuity should not exist.

PIIA3285E

Monitor item [OPERA-

TION or UNIT]

Contents

IGN KEY SW

ON/

OFF

Key inserted (ON)/key removed (OFF) status judged from 
the key detection switch is displayed.

PIIA0298E

Unit

Terminal No.

Power source

Fuse No.

Fuse block (J/B) No. 2

6N

BAT power supply

32

SE-72

AUTOMATIC DRIVE POSITIONER

3. 

KEY SWITCH AND KEY LOCK SOLENOID POWER SUPPLY CIRCUIT INSPECTION

1.

Turn ignition switch OFF.

2.

Disconnect key switch connector and key lock solenoid connector.

3.

Check voltage between key switch and key lock solenoid con-
nector M64 terminal  3 (W) and body ground.

OK or NG

OK

>> GO TO 4.

NG

>> Check harness between key switch and key lock sole-

noid and fuse.

4. 

CHECK KEY SWITCH

Check continuity between key switch.

OK or NG

OK

>> GO TO 5.

NG

>> Replace key switch and key lock solenoid.

5. 

CHECK KEY SWITCH SIGNAL 

Check voltage between BCM connector body ground.

OK or NG

OK

>> System is OK.

NG

>> GO TO 6.

3 (W) – Ground

: Battery voltage

PIIA3286E

Connector

Terminals

Condition

Continuity

M64

3 – 4

Key is inserted in ignition key cylinder.

Yes

Key is removed from ignition key cylinder. 

No

PIIA3044E

Connector

Terminals 

(Wire color)

Condition

Voltage (V) 

(Approx)

(+)

(–)

M4

69 (PU/W)

ground

Remove the 
key

0

ground

Insert the key

Battery voltage

PIIA0302E