Infiniti M45 (Y34). Manual - part 760

AUTOMATIC DRIVE POSITIONER

SE-61

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2. 

CHECK FUNCTION

With CONSULT-II

Check operation with “TELESCO MOTOR” in ACTIVE TEST.

Without CONSULT-II

Carry out the self-diagnosis. Refer to 

SE-46, "On Board Diagnosis"

 .

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

3. 

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect BCM and telescopic motor connector.

3.

Check continuity between BCM connector M4 terminals 101, 107 and telescopic motor connector M60
terminals 1, 2.

4.

Check continuity between BCM connector M4 terminals 101,
107 and body ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between BCM and telescopic

motor.

Test item

Description

TELESCO
MOTOR

The telescopic motor is activated by receiving the drive signal.

PIIA0277E

101 (P/L) – 1 (P/L)

: Continuity should exist.

107 (P/B) – 2 (P/B)

: Continuity should exist.

101 (P/L) – Ground

: Continuity should not exist.

107 (P/B) – Ground

: Continuity should not exist.

PIIA2929E

SE-62

AUTOMATIC DRIVE POSITIONER

4. 

CHECK BCM OUTPUT SIGNAL

1.

Connect the BCM connector and telescopic motor connector.

2.

Check voltage between BCM connector.

OK or NG

OK

>> Replace telescopic motor.

NG

>> Replace BCM.

Steering Wheel Tilt Motor Circuit Inspection

AIS001K1

1. 

CHECK STEERING WHEEL TILT MECHANISM

Check following.

1.

Operation malfunction caused by steering wheel tilt mechanism deformation or pinched harness and
other foreign materials.

2.

Operation malfunction and interference with other parts by poor installation.

OK or NG

OK

>> GO TO 2.

NG

>> Repair the malfunctioning part.

2. 

CHECK FUNCTION

With CONSULT-II

Check operation with “TILT MOTOR” in ACTIVE TEST.

Without CONSULT-II

Carry out the self-diagnosis. Refer to 

SE-46, "On Board Diagnosis"

 .

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

Connector

Terminals

 (Wire color)

Condition

Voltage (V) 

(Approx)

(+)

(–)

M4

101 (P/L)

107 (P/B)

Telescopic switch
(FR operation)

Battery volt-

age

Telescopic switch OFF

0

107 (P/B)

101 (P/L)

Telescopic switch
(RR operation)

Battery volt-

age

Telescopic switch OFF

0

PIIA3348E

Test item

Description

TILT MOTOR

The tilt motor is activated by receiving the drive signal.

PIIA0280E

AUTOMATIC DRIVE POSITIONER

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3. 

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF. 

2.

Disconnect BCM connector and tilt motor connector.

3.

Check continuity between BCM connector M4 terminals 102 (L/B), 103 (R) and tilt motor connector M58
terminals 1 (R), 2 (L/B).

4.

Check continuity between BCM connector M4 terminals 102 (L/
B), 103 (R) and body ground.

OK or NG

OK

>> GO TO 4.

NG

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

4. 

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector and tilt motor connector.

2.

Check voltage between BCM connector.

OK or NG

OK

>> Replace tilt motor.

NG

>> Replace BCM.

102 (L/B) – 2 (L/B)

: Continuity should exist.

103 (R) – 1 (R)

: Continuity should exist.

102 (L/B) – Ground

: Continuity should not exist.

103 (R) – Ground

: Continuity should not exist.

PIIA3266E

Connector

Terminals

 (Wire color)

Condition

Voltage (V) 

(Approx)

(+)

(–)

M4

102 (L/B)

103 (R)

Tilt switch
(DOWN operation)

Battery voltage

Tilt switch OFF

0

103 (R)

102 (L/B)

Tilt switch
(UP operation)

Battery voltage

Tilt switch OFF

0

PIIA3267E

SE-64

AUTOMATIC DRIVE POSITIONER

Seat Sliding Sensor Circuit Inspection

AIS001K2

1. 

CHECK SLIDING SENSOR INPUT/OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between driver seat control unit connector and
body ground, with oscilloscope.

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

2. 

CHECK SLIDING SENSOR MECHANISM

Check the operation malfunction caused by sliding rail deformation or parts are loose.

OK or NG

OK

>> GO TO 3.

NG

>> Repair the malfunctioning parts.

3. 

CHECK HARNESS CONTINUITY

1.

Disconnect driver seat control unit connector and sliding motor connector.

2.

Check continuity between driver seat control unit connector
B143 terminals 20 (G/B), 32 (R/W) and sliding motor B146 ter-
minals 20 (G/B), 32A (R/W).

3.

Check continuity between driver seat control unit B143 terminals
20 (G/B), 32 (R/W) and body ground.

OK or NG

OK

>> Replace sliding motor.

NG

>> Repair or replace harness driver seat control unit and sliding motor.

Connector

Terminals 

(Wire color)

Condition

Signal

(+)

(–)

B143

20 (G/B)

Ground

Sliding 
motor 
operation

PIIA3268E

SIIA0690J

20 (G/B) – 20 (G/B)

: Continuity should exist.

32 (R/W) – 32A (R/W)

: Continuity should exist.

20 (G/B) – Ground

: Continuity should not exist.

32 (R/W) – Ground

: Continuity should not exist.

PIIA3269E