Infiniti F50. Manual - part 219

 

  Index      Infiniti     Infiniti F50 - service repair manual 2006 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  217  218  219  220   ..

 

 

Infiniti F50. Manual - part 219

 

 

TRUNK CLOSURE SYSTEM

BL-123

C

D

E

F

G

H

J

K

L

M

A

B

BL

Wiring Diagram — T/CLOS — 

EIS003OX

TIWM0397E

BL-124

TRUNK CLOSURE SYSTEM

Terminal and Reference Value for Trunk Closure Control Unit

EIS003OZ

*: The trunk room lamp illuminates.

Preliminary Check

EIS003P0

Remove the fuse No.15 for the trunk closure with the trunk closure inactive. Check that the trunk lid can
be open/closed normally with the trunk opener switch, remote controller switch, or key in trunk key cylin-
der.

Symptom Chart

EIS003P1

Closure Control Unit Power Supply and Ground Circuit Check

EIS003P2

1. 

POWER SUPPLY CIRCUIT CHECK

1.

Turn ignition switch OFF.

2.

Disconnect trunk closure control unit connector.

3.

Check voltage between trunk closure control unit connector B56 terminal 2 and ground.

OK or NG ?

OK

>> GO TO 2.

NG

>> Check the following.

20A fuse [No.15, located in the fuse block (J/B) No.1].

Harness for open or short between trunk closure con-
trol unit and fuse.

Terminal

Wire color

Item

Condition

Voltage (V)

(Approx.)

P

Trunk lid lock switch signal

Engage the trunk lock (OFF)

 Battery voltage

Except than the above (ON)

0

PU

BAT power supply

Battery voltage

P/L

Trunk lid striker switch signal

Pressed  the striker switch lever (OFF)

Battery voltage

Except than the above (ON)

0*

4 B

Ground

 

0

Trunk closure motor ground

 0

6

Trunk closure motor output signal 

Trunk closure motor is operation

Battery voltage

Except than the above 

0

Symptom

Malfunctioning system

Refer to page

Trunk closure does not operate
 (opening/closing)

Trunk closure control unit power supply and ground circuit check.

Trunk lid lock switch check.

Trunk lid striker switch system.

If above systems are “OK”, replace closure control unit.

Trunk closure does not operate.
(Trunk room lamp illuminates / goes off with the 
striker switch ON-OFF operation.)

Replace closure control unit.

Trunk closure does not stop.

Replace closure control unit (stop switch is malfunction).

Malfunctioning trunk closure stop position.

2 (PU) – Ground

: Battery voltage

PIIA2806E

TRUNK CLOSURE SYSTEM

BL-125

C

D

E

F

G

H

J

K

L

M

A

B

BL

2. 

GROUND CIRCUIT CHECK

Check continuity between trunk closure control unit connector B56 terminal 4 and ground.

OK or NG ?

OK

>> Power supply and ground circuit is OK.

NG

>> Repair or replace harness.

Trunk Lid Lock Switch Check

EIS003P3

1. 

TRUNK LID LOCK SWITCH SIGNAL CHECK

1.

Turn ignition switch OFF.

2.

Check voltage between trunk closure control unit connector and ground.

OK or NG ?

OK

>> Trunk lid lock switch is OK.

NG

>> GO TO 2.

2. 

 TRUNK LID LOCK SWITCH CIRCUIT CHECK

1.

Disconnect trunk closure control unit and trunk lid lock switch connector.

2.

Check continuity between trunk closure control unit connector B56 terminal 1 and trunk lid lock switch
connector B74 (without auto trunk) or B312 (with atuo trunk) terminal 1.

OK or NG ?

OK

>> GO TO 3.

NG

>> Repair or replace harness.

4 (B) – Ground

: Continuity should exist.

PIIA2807E

Terminals

Condition

Voltage (V)

(Approx.)

( + )

( – )

Connector

Terminal

(Wire color)

Ground

B56

1 (P)

Engage the latch 
of trunk lock (OFF)

Battery voltage

Other than the 
above (ON)

0

PIIA2808E

1 (P) – 1(P)

: Continuity should exist

PIIA3071E

BL-126

TRUNK CLOSURE SYSTEM

3. 

TRUNK LID LOCK SWITCH CHECK

Check continuity between trunk lid lock switch connector B74 terminal 2 and ground.

OK or NG ?

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

TRUNK LID LOCK SWITCH CHECK

Check continuity between trunk lid lock switch terminals 1 and 2.

OK or NG ?

OK

>> Trunk lid lock switch is OK.

NG

>> Replace trunk lid lock switch.

Trunk Lid Striker Switch Check

EIS003P4

1. 

TRUNK LID STRIKER SWITCH SIGNAL CHECK

1.

Turn ignition switch OFF.

2.

Check voltage between trunk closure control unit connector and ground.

OK or NG ?

OK

>> Trunk lid striker switch is OK.

NG

>> GO TO 2.

2 (B) – Ground

: Continuity should exist

PIIA3072E

Terminals

Condition

Continuity

1

2

Trunk is closed

No

Trunk is opened

Yes

PIIA3073E

Terminals

Condition

Voltage (V)

(Approx.)

( + )

( – )

Connector

Terminal

(Wire color)

Ground

B56

3 (P/L)

Pressed the striker 
switch lever (OFF)

Battery voltage

Other than the 
above (ON)

0

PIIA3074E

 

 

 

 

 

 

 

Content   ..  217  218  219  220   ..