Infiniti M35/M45 Y50. Manual — part 261

INTELLIGENT KEY SYSTEM

BL-113

C

D

E

F

G

H

J

K

L

M

A

B

BL

Check Park Position Switch

NIS001XX

1.

CHECK PARK POSITION SWITCH INPUT SIGNAL

With CONSULT-II

Check (“P RANGE SW”) in “DATA MONITOR” mode.

Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Park position switch circuit is OK.

NG

>> GO TO 2.

2.

CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check the condition of harness and connector.

Monitor item

Condition

P RANGE SW

A/T device P position: ON

Other than above: OFF

PIIB6398E

Terminals

A/T device

position

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key
unit connector

Terminal

M32

27

Ground

P

0

Other than

above

Battery voltage

PIIB6352E

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

Intelligent

Key unit

connector

Terminal

M33

58

Ground

Wake-up state

(Open drive side

door)

Battery voltage

Sleep state (After

30 seconds or

more since all

doors are closed

under the condition

that the ignition

switch is in the

LOCK position)

0

PIIB6353E

BL-114

INTELLIGENT KEY SYSTEM

3.

CHECK PARK POSITION SWITCH

1.

Disconnect A/T device connector.

2.

Check A/T device.

OK or NG

OK

>> GO TO 4.

NG

>> Check A/T shift lock system. Refer to

AT-229, "A/T

SHIFT LOCK SYSTEM"

.

4.

CHECK HARNESS CONTINUITY 1

1.

Disconnect A/T device connector.

2.

Check continuity between Intelligent Key unit connector and A/T device connector.

3.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between Intelligent Key and A/T device.

5.

CHECK HARNESS CONTINUITY 2

1.

Check continuity between Intelligent Key unit connector and A/T device connector.

2.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> Repair or replace harness between Intelligent Key and A/T device.

Terminal

A/T device

position

Continuity

A/T device

9

10

P

Yes

Other than above

No

PIIB6354E

A

B

Continuity

Intelligent Key
unit connector

Terminal

A/T device

connector

Terminal

M32

27

M133

10

Yes

A

Ground

Continuity

Intelligent Key unit

connector

Terminal

M32

27

No

PIIB6355E

A

B

Continuity

Intelligent Key
unit connector

Terminal

A/T device

connector

Terminal

M33

58

M133

9

Yes

A

Ground

Continuity

Intelligent Key unit

connector

Terminal

M33

58

No

PIIB8993E

INTELLIGENT KEY SYSTEM

BL-115

C

D

E

F

G

H

J

K

L

M

A

B

BL

Check Ignition Switch Position

NIS001XY

1.

CHECK IGNITION POWER SUPPLY

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Ignition power supply is OK.

NG

>> Check the following.

●

Repair or replace Intelligent Key unit power supply circuit.

●

Check 10A fuse [No. 6, located in the fuse block (J/B)]

●

Check 10A fuse [No. 12, located in the fuse block (J/B)]

Check Remote Keyless Entry Receiver

NIS001XZ

1.

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between remote keyless entry receiver connector and ground with oscilloscope.

OK or NG

OK

>> Remote keyless entry receiver is OK.

NG

>> GO TO 2.

Terminals

Ignition switch position

(+)

(–)

Intelligent

Key unit

connector

Terminal

OFF

ACC

ON

M32

30

Ground

0

Battery voltage

Battery voltage

31

0

0

Battery voltage

PIIB6357E

Terminals

Keyfob

condition

Signal

(Reference value)

(+)

(–)

Remote

keyless

entry

receiver

connector

Terminal

M89

2

Ground

No function

Any button
is pressed

PIIB6358E

OCC3879D

OCC3880D

BL-116

INTELLIGENT KEY SYSTEM

2.

CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY

1.

Disconnect remote keyless entry receiver connector.

2.

Check signal between remote keyless entry receiver connector and ground with oscilloscope.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 3.

3.

CHECK HARNESS CONTINUITY 1

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.

3.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> Repair or replace harness between Intelligent Key unit and remote keyless entry receiver.

4.

CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

Check continuity between remote keyless entry receiver connector and ground.

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 5.

Terminals

Signal

(Reference value)

(+)

(–)

Remote keyless

entry receiver

connector

Terminal

M89

4

Ground

PIIB6359E

OCC3881D

A

B

Continuity

Intelligent Key
unit connector

Terminal

Remote keyless

entry receiver

connector

Terminal

M32

7

M89

4

Yes

A

Ground

Continuity

Intelligent Key unit

connector

Terminal

M32

7

No

PIIB6360E

Remote keyless entry

receiver

connector

Terminal

Ground

Continuity

M89

1

Yes

PIIB6361E