Infiniti FX35 / FX45. Manual - part 228

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-179

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

BL

N

O

P

OK or NG

OK

>> Door switch circuit is OK, and go to “1 – 2 HOOD SWITCH CHECK”.

NG

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect BCM and door switches connector.

3.

Check continuity between BCM connector B14 terminals 62, 63
and door switch connector B26, B46 terminal 1, and ground.

4.

Check continuity between BCM connector M3 terminals 12, 13
and door switch connector B36, B206 terminal 1, and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3.

CHECK DOOR SWITCH

Check continuity between each door switch terminal 1 and ground
part of door switch.

OK or NG

OK

>> GO TO 4.

NG

>> Replace malfunctioning door switch.

Front door switch 
driver side

62 (W)

Ground

OPEN

0

CLOSE

Battery voltage

Front door switch 
passenger side

12 (P/B)

OPEN

0

CLOSE

Battery voltage

Rear door switch 
LH

63 (P)

OPEN

0

CLOSE

Battery voltage

Rear door switch 
RH

13 (P/L)

OPEN

0

CLOSE

Battery voltage

BCM – Front door switch (driver side)

62 (W) – 1 (W)

: Continuity should exist.

BCM – Rear door switch LH

63 (P) – 1 (P)

: Continuity should exist.

BCM – Ground

62 (W) – Ground

: Continuity should not exist.

63 (P) – Ground

: Continuity should not exist.

PIIA6225E

BCM – Front door switch (passenger side)

12 (P/B) – 1 (SB)

: Continuity should exist.

BCM – Rear door switch RH

13 (P/L) – 1 (P)

: Continuity should exist.

BCM – Ground

12 (P/B) – Ground

: Continuity should not exist.

13 (P/L) – Ground

: Continuity should not exist.

PIIA6224E

Terminal

Condition

Continuity

1

Ground part of 
door switch

Pushed

No

Released

Yes

PIIA3351E

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< SERVICE INFORMATION >

VEHICLE SECURITY (THEFT WARNING) SYSTEM

4.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM connector M3, B14 terminals 12,
13, 62, 63 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Replace BCM.

1 – 2 HOOD SWITCH CHECK

1.

CHECK HOOD SWITCH

Check hood switch and hood fitting condition.

OK or NG

OK

>> GO TO 2.

NG

>> Adjust installation of hood switch.

2.

CHECK HOOD SWITCH INPUT SIGNAL

 With CONSULT-III

Check (“HOOD SW”) in “DATA MONITOR” mode with CONSULT-III.

 Without CONSULT-III

Check voltage between IPDM E/R connector and ground.

OK or NG

OK

>> Hood switch is OK, and go to “1 – 3 BACK DOOR

SWITCH CHECK”.

NG

>> GO TO 3.

3.

CHECK HOOD SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect hood switch connector.

12 (P/B) – Ground

: Battery voltage

13 (P/L) – Ground

: Battery voltage

62 (W) – Ground

: Battery voltage

63 (P) – Ground

: Battery voltage

PIIA6223E

Monitor item

Condition

HOOD SW

OPEN

: ON

CLOSE

: OFF

Connector

Terminals (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

E9

56 (LG)

Ground

OPEN

0

CLOSE

Battery voltage

PIIA6228E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-181

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

BL

N

O

P

3.

Check continuity between hood switch terminals 1 and 2.

OK or NG

OK

>> GO TO 4.

NG

>> Replace hood switch.

4.

CHECK IPDM E/R OUTPUT SIGNAL

Check voltage between IPDM E/R connector and ground.

OK or NG

OK

>>

Check the following.

• Hood switch ground circuit.
• Harness for open or short between hood switch and

IPDM E/R.

NG

>> Replace IPDM E/R

1 – 3 BACK DOOR SWITCH CHECK

1.

CHECK BACK DOOR SWITCH INPUT SIGNAL

 With CONSULT-III

Check (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-III.

Without CONSULT-III

Check voltage between BCM connector and ground.

OK or NG

OK

>> Back door switch circuit is OK.

NG

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect BCM and back door closure motor connector.

Terminals

Condition

Continuity

1

 

2

Pressed

No

Released

Yes

PIIA2498E

56 (LG) – Ground

: Battery voltage

PIIA6228E

Monitor item

Condition

BACK DOOR SW

OPEN

: ON

CLOSE

: OFF

Connector

Terminals (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

B14

58 (L)

Ground

OPEN

0

CLOSE

9

PIIA6229E

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< SERVICE INFORMATION >

VEHICLE SECURITY (THEFT WARNING) SYSTEM

3.

Check continuity between BCM connector B14 terminal 58 and
back door closure motor connector D109 terminal 7.

4.

Check continuity between BCM connector B14 terminal 58 and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

Check continuity between back door closure motor connector D109
terminal 8 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4.

CHECK BACK DOOR SWITCH

Check continuity between back door closure motor D109 terminals 7
and 8.

OK or NG

OK

>> GO TO 5.

NG

>> Replace back door closure motor.

5.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM connector B14 terminal 58 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Replace BCM.

Diagnosis Procedure 2

INFOID:0000000001327917

SECURITY INDICATOR LAMP CHECK

1.

SECURITY INDICATOR LAMP ACTIVE TEST 

58 (L) – 7 (L)

: Continuity should exist.

58 (L) – Ground

: Continuity should not exist.

PIIA6226E

8 (B) – Ground

: Continuity should exist.

PIIA6170E

Terminals

Back door condition

Continuity

7

8

Open

Yes

Close

No

PIIA9934E

58 (L) – Ground

: Approx. 9V

PIIA6229E