Infiniti M35/M45 Y50. Manual - part 263

 

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Infiniti M35/M45 Y50. Manual - part 263

 

 

INTELLIGENT KEY SYSTEM

BL-121

C

D

E

F

G

H

J

K

L

M

A

B

BL

Check Key Slot Illumination

NIS001Y1

1. 

CHECK KEY SLOT ILLUMINATION OUTPUT SIGNAL 

Check voltage between key slot connector and ground.

OK or NG

OK

>> Key slot illumination is OK.

NG

>> GO TO 2.

2. 

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit and key slot connector.

3.

Check continuity between Intelligent Key unit connector and key slot connector.

4.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit and key slot.

3. 

CHECK KEY SLOT GROUND CIRCUIT

Check continuity between key slot connector and ground.

OK or NG

OK

>> Replace key slot.

NG

>> Repair or replace key slot ground circuit.

Terminals

Condition

Key slot

illumination

Voltage (V)           

(Approx.)

(+)

(–)

Key slot 

connector

Terminal

M14

3

Ground

Intelligent 

Key inserted

ON

Battery voltage

Intelligent 

Key inserted

OFF

0

PIIB6366E

A

B

Continuity 

Intelligent Key 
unit connector

Terminal

Key slot 

connector

Terminal

M32

13

M14

3

Yes

A

Ground

Continuity 

Intelligent Key unit

connector

Terminal

M32

13

No

PIIB6367E

Key slot connector

Terminal

Ground

Continuity

M14

8

Yes

PIIB6368E

BL-122

INTELLIGENT KEY SYSTEM

Check Horn Function

NIS001Y2

First perform the “SELF-DIAG RESULTS” of “BCM” with CONSULT-II, then perform the trouble diagno-
sis of malfunction system indicated in “SELF-DIAG RESULTS” of “BCM”. Refer to 

BCS-13, "CAN Com-

munication Inspection Using CONSULT-II (Self-Diagnosis)"

.

1. 

CHECK HORN OPERATION

Check if horn sounds with horn switch.

Does horn operate?

Yes

>> GO TO 2.

No

>> Check horn circuit. Refer to 

WW-54, "HORN"

 .

2. 

CHECK IPDM E/R INPUT SIGNAL

Check voltage between IPDM E/R connector and ground.

OK or NG

OK

>> Replace IPDM E/R.

NG

>> GO TO 3.

3. 

CHECK HORN RELAY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R and horn relay connector.

3.

Check continuity between IPDM E/R connector and horn relay connector.

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace harness.

Check Combination Meter Display Function

NIS001Y3

1. 

CHECK METER DISPLAY

 With CONSULT-II

Check the operation with (“LCD”) in the ACTIVE TEST.

OK or NG

OK

>> Meter display is OK.

NG

>> Check combination meter. Refer to 

DI-17, "Self-Diagno-

sis Mode of Combination Meter"

 .

Terminals

Voltage (V)

(Approx.)

(+)

(–)

IPDM E/R
connector

Terminal

E9

48

Ground

Battery voltage

PIIB6219E

A

B

Continuity 

IPDM E/R
connector

Terminal

Horn relay 

connector

Terminal

E9

48

E20

1

Yes

PIIB6220E

Is each warning displayed on meter display?

PIIB6369E

INTELLIGENT KEY SYSTEM

BL-123

C

D

E

F

G

H

J

K

L

M

A

B

BL

Check Warning Chime Function

NIS001Y4

1. 

CHECK WARNING CHIME INTO COMBINATION METER OPERATION

 With CONSULT-II

1.

Check the operation with “INSIDE BUZZER” in the “ACTIVE
TEST”.

2.

Touch “TAKE OUT”, “KEY WARN”, “P RNG WARN” or “ACC
WARN” on screen.

Does warning buzzer sound?

Yes

>> Warning buzzer into combination meter is OK.

No

>> GO TO 2.

2. 

CHECK OTHER WARNING CHIME OPERATION

Confirm other warning chime function. Refer to 

DI-60, "LIGHT WARNING CHIME"

 .

Does other warning chime operate?

Yes

>> Warning buzzer into combination meter is OK

No

>> Check warning chime. Refer to 

DI-70, "Trouble Diagnosis"

 .

Removal and Installation of Intelligent Key Unit

NIS001Y5

REMOVAL

1.

Remove dash side finisher. Refer to 

EI-37, "Removal and Installation"

 .

2.

Disconnect intelligent key unit connector.

3.

Remove intelligent key unit mounting nuts, and then remove
intelligent key unit.

INSTALLATION

Installation is in the reverse order of removal.

PIIB6451E

PIIB5900E

BL-124

INTELLIGENT KEY SYSTEM

Intelligent Key Battery Replacement

NIS001Y6

DISASSEMBLY AND ASSEMBLY OF INTELLIGENT KEY

1.

Release the lock knob at the back of the Intelligent Key and remove the mechanical key.

2.

Insert a flat-blade screwdriver (A) wrapped with a close into the
slit of the corner and twist it to separate the upper part from the
lower part.

CAUTION:

Be careful not to touch the circuit board or battery termi-
nal.

The key fob is water-resistant. However, if it does get wet,
immediately wipe it dry. 

3.

Replace the battery with new one.

4.

Align the tips of the upper and lower parts, and then push them
together until it is securely closed.

CAUTION:

When replacing battery, be sure to keep dirt, grease, and
other foreign materials off the electrode contact area.

After replacing the battery, check to make sure all Intelli-
gent Key functions work normally.

INTELLIGENT KEY BATTERY INSPECTION

Check by connecting a resistance (approximately 300

) so that the

current value becomes about 10 mA.

PIIB6221E

PIIB6222E

Standard

: Approx. 2.5 - 3.0V

OCC0607D

 

 

 

 

 

 

 

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