Infiniti FX35 / FX45. Manual - part 215

 

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Infiniti FX35 / FX45. Manual - part 215

 

 

INTELLIGENT KEY SYSTEM

BL-127

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

BL

N

O

P

OK or NG

OK

>> Park position switch circuit is OK.

NG

>> GO TO 2.

2.

CHECK PARK POSITION SWITCH CIRCUIT

1.

Disconnect A/T device (park position switch) connector.

2.

Check voltage between A/T device (park position switch) con-
nector M67 terminal 3 (R/Y) and ground. (Check harness for
open.)

3.

Check continuity between A/T device (park position switch) con-
nector M67 terminals 3 (R/Y) and ground. (Check harness for
short.)

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3.

CHECK PARK POSITION SWITCH

Check continuity between A/T device (park position switch) terminals 2 and 3.

OK or NG

OK

>> GO TO 4.

NG

>> Replace back A/T device (park position switch).

4.

PARK POSITION SWITCH GROUND CIRCUIT INSPECTION

Connector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-) 

M34

39 (R/Y)

Ground

When selector lever is locked 
at the “P” position

0

When selector lever is not 
locked at the “P” position

Battery voltage

PIIA6805E

3 (R/Y) – Ground

: Battery voltage

PIIB9063E

3 (R/Y) – Ground

: Continuity should not exist.

PIIB9064E

Terminal

Condition

Continuity

2

3

When selector lever is not 
locked at the “P” position

No

When selector lever is 
locked at the “P” position

Yes

PIIB9065E

BL-128

< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

Check continuity between A/T device (park position switch) connec-
tor M67 terminal 2 (B) and ground.

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace harness.

Check Select Unlock Relay

INFOID:0000000001327866

1.

CHECK SELECT UNLOCK RELAY POWER SUPPLY 

1.

Turn ignition switch OFF.

2.

Disconnect passenger side select unlock relay connector.

3.

Check voltage between passenger side select unlock relay con-
nector M30 terminal 1 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace passenger side select unlock relay power supply circuit.

2.

CHECK HARNESS

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between passenger side select unlock relay
connector M30 terminal 2 and Intelligent Key unit connector
M34 terminal 40.

3.

Check continuity between passenger side select unlock relay
connector M30 terminal 2 and ground.

OK or NG

OK

>> Replace passenger side select unlock relay.

NG

>> Repair or replace harness between passenger side select unlock relay and Intelligent Key unit.

Check Hazard Function

INFOID:0000000001327867

1.

CHECK HAZARD WARNING LAMP

Does hazard warning lamp flash with hazard switch?

YES or NO

YES

>> Hazard warning lamp circuit is OK.

NO

>> Check hazard circuit. Refer to 

LT-78

.

2 (B) – Ground

: Continuity should exist.

PIIB9066E

1 (L/R) – Ground

: Approx. 12V

PIIA6954E

2 (BR/W) – 40 (BR/W)

: Continuity should exist.

2 (BR/W) – Ground

: Continuity should not exist.

PIIA6955E

INTELLIGENT KEY SYSTEM

BL-129

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

BL

N

O

P

Check Horn Function

INFOID:0000000001327868

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

BCS-13, "U1000 CAN Communica-

tion Circuit"

.

1.

CHECK HORN FUNCTION

Does horn sound with horn switch?
YES or NO

YES

>> Horn circuit is OK.

NO

>> Check horn circuit. Refer to 

WW-48, "Wiring Diagram - HORN -"

.

Check Headlamp Function

INFOID:0000000001327869

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

BCS-13, "U1000 CAN Communica-

tion Circuit"

.

1.

CHECK HEADLAMP OPERATION

Does headlamp come on when turning lighting switch “ON”?
YES or NO

YES

>> Headlamp operation circuit is OK.

NO

>> Check headlamp system. Refer to 

LT-5, "System Description"

.

Check IPDM E/R Operation

INFOID:0000000001327870

1.

CHECK IPDM E/R INPUT VOLTAGE

Check voltage between IPDM E/R connector E9 terminal 51 (SB) and ground.

OK or NG

OK

>> Replace IPDM E/R.

NG

>> GO TO 2.

2.

CHECK IPDM E/R HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R and horn relay connector.

3.

Check continuity between IPDM E/R connector E9 terminal 51 (SB) and horn relay connector E10 termi-
nal 1 (SB).

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace harness.

51 (SB) – Ground

: Battery voltage

PIIA6403E

51 (SB) – 1 (SB)

: Continuity should exist.

PIIA6404E

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< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

Removal and Installation of Intelligent Key Unit

INFOID:0000000001327871

REMOVAL

1.

Remove the instrument lower driver panel. Refer to 

IP-11, "Removal and Installation"

.

2.

Disconnect the Intelligent Key unit connector, remove the screw
and Intelligent Key unit.

INSTALLATION

Install in the reverse order of removal.

Intelligent Key Battery Replacement

INFOID:0000000001327872

INTELLIGENT KEY BATTERY INSPECTION

Check by connecting a resistance (approximately 300

) so that the

current value becomes about 10 mA.

PIIA6371E

PIIB4646E

Standard

: Approx. 2.5V - 3.0V

OCC0607D

 

 

 

 

 

 

 

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