Infiniti M45 (Y34). Manual - part 205

 

  Index      Infiniti     Infiniti M45 (Y34) - service repair manual 2004 year

 

Search            copyright infringement  

 

 

 

 

 

 

 



 

 

Content   ..  203  204  205  206   ..

 

 

Infiniti M45 (Y34). Manual - part 205

 

 

POWER DOOR LOCK SYSTEM

BL-45

C

D

E

F

G

H

J

K

L

M

A

B

BL

2. 

CHECK OUTPUT SIGNAL

1.

Connect passenger door control unit connector.

2.

Check voltage between passenger door control unit connector D38 terminals 8 (SB), 9 (BR) and ground.

OK or NG

OK

>> Replace malfunction door lock actuator.

NG

>> Replace passenger door control unit.

Check Front Door Key Cylinder Switch

AIS001OI

1. 

CHECK DOOR KEY CYLINDER SWITCH SIGNAL

 With CONSULT-II

Check front door key cylinder switch (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in DATA MONITOR mode in
CONSULT–II.Refer to 

BL-36, "DATA MONITOR"

 .

When key inserted in front key cylinder is turned to LOCK:

When key inserted in front key cylinder is turned to UNLOCK:

 Without CONSULT-II

Check front door key cylinder switch operation in “SWITCH MONITOR” mode. Refer to 

BL-40, "SWITCH

MONITOR"

 .

OK or NG

OK

>> System is OK.

NG

>> GO TO 2.

Door lock operation

Terminal

(Wire color)

Voltage (V)

(Approx.)

(+)

(–)

Free 

 Lock

8 (SB)

Ground

 Battery voltage

Free 

 Unlock

9 (BR)

 Battery voltage

PIIA2819E

KEY CYL LK-SW

: ON

KEY CYL UN-SW

: ON

PIIA3149E

BL-46

POWER DOOR LOCK SYSTEM

2. 

CHECK DOOR KEY CYLINDER SWITCH

Check continuity between door key cylinder switch connector terminals.

OK or NG

OK

>> Check the following.

Harness between front key cylinder switch and driver
door control unit

Harness between front key cylinder switch and ground

NG

>> Replace front door key cylinder switch.

Check Key Switch

AIS001OF

1. 

CHECK KEY SWITCH 

With CONSULT-II

Check key switch “IGN KEY SW” in “DATA MONITOR” mode with
CONSULT-II.

Without CONSULT-II

Check voltage between BCM connector M4 terminal 69 (PU/W) and ground.

OK or NG

OK

>> Key switch is OK.

NG

>> GO TO 2.

Terminals

Condition

Continuity

1 – 2 

Key is turned to UNLOCK

Yes

Key is turned to LOCK or neutral.

No

2 – 3

Key is turned to LOCK.

Yes

Key is turned to UNLOCK or neutral.

No

PIIA3148E

Key is inserted in ignition key 
cylinder

: IGN KEY SW ON

Key is removed from ignition key 
cylinder

: IGN KEY SW OFF

PIIA4243E

Connector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

M4

69 (PU/W)

Ground

Key is inserted

Battery voltage

Key is removed

0

PIIA2820E

POWER DOOR LOCK SYSTEM

BL-47

C

D

E

F

G

H

J

K

L

M

A

B

BL

2. 

CHECK KEY SWITCH CIRCUIT

1.

Disconnect key switch connector.

2.

Check continuity between BCM connector M4 terminal 69 (PU/W) and key switch connector M64 terminal
4 (PU/W).

3.

Check continuity between BCM connector M4 terminal 69 (PU/
W) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK KEY SWITCH

Check continuity between key switch terminals.

OK or NG

OK

>> Check the following.

10A fuse [No. 32, located in fuse block (J/B) No.2]

Harness for open or short between key switch and
fuse

NG

>> Replace key switch.

Check Front Door Switch

AIS002BW

1. 

CHECK FRONT DOOR SWITCH INPUT SIGNAL

 With CONSULT-II

Check front door switch (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-II.

Without CONSULT-II

Check front door switch in “SWITCH MONITOR” mode. Refer to 

BL-40, "SWITCH MONITOR"

 .

OK or NG

OK

>> Front door switch is OK.

NG

>> GO TO 2

69 (PU/W) – 4 (PU/W)

: Continuity should exist.

69 (PU/W) – Ground

: Continuity should not exist.

PIIA2821E

Connector

Terminal

Condition of key switch

Continuity

M64

3 – 4

Key is inserted.

Yes

Key is removed.

No

PIIA3044E

Monitor item

Condition

DOOR SW-DR

OPEN

: ON

CLOSE

: OFF

DOOR SW-AS

OPEN

: ON

CLOSE

: OFF

PIIA2464E

BL-48

POWER DOOR LOCK SYSTEM

2. 

CHECK FRONT DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect front door switch connector and BCM connector.

3.

Check continuity between front door switch connector B20 (driver side), B220 (passenger side) terminal 1
(R/Y, LG) and BCM connector B4, M4 terminal 142 (R/Y), 37 (LG).

4.

Check continuity between front door switch connector B20
(driver side), B220 (passenger side) terminal 1(R/Y, LG) and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK FRONT DOOR SWITCH

Check continuity between front door switch connector B20 (driver
side), B220 (passenger side) terminal 1 and ground part of door
switch.

OK or NG

OK

>> Check door switch case ground.

NG

>> Replace malfunction front door switch.

Driver side door switch

1 (R/Y) - 142 (R/Y)

: Continuity should exist.

Passenger side door switch

1 (LG) - 37 (LG)

: Continuity should exist.

Each door switches 

1 (LG, R/Y) - Ground

: Continuity should not exist.

PIIA3118E

Terminal

Front door switch

Continuity

1

Ground part of 

door switch

Pushed

No

Released

Yes

PIIA3351E

 

 

 

 

 

 

 

Content   ..  203  204  205  206   ..