Infiniti M45 (Y34). Manual - part 653

 

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Infiniti M45 (Y34). Manual - part 653

 

 

PARKING, LICENSE PLATE AND TAIL LAMPS

LT-119

C

D

E

F

G

H

I

J

L

M

A

B

LT

2. 

CHECK TAIL LAMP RELAY POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Remove tail lamp relay.

3.

Check voltage between tail lamp relay connector E3-3 terminals
2 or 6 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace fuse, fusible link and relay block (J/B).

3. 

CHECK TAIL LAMP RELAY

Apply 12V between tail lamp relay terminals 2 and 1, and check con-
tinuity between terminals 6 and 7.

OK or NG

OK

>> GO TO 4.

NG

>> Replace tail lamp relay.

4. 

CHECK TAIL LAMP RELAY CONTROL SIGNAL CIRCUIT 1

1.

Disconnect headlamp battery saver control unit connector and
BCM connector.

2.

Check continuity between headlamp battery saver control unit
harness connector M33 terminal 6 (LG/B) and tail lamp relay
connector E3-3 terminal 1(LG/B). 

3.

Check continuity between headlamp battery saver control unit
harness connector M33 terminal 6 (LG/B) and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair harness or connector.

5. 

CHECK TAIL LAMP RELAY CONTROL SIGNAL CIRCUIT 2

1.

Check continuity between headlamp battery saver control unit
harness connector M34 terminal 14 (LG/B) and tail lamp relay
connector E3-3 terminal 1 (LG/B).

2.

Check continuity between headlamp battery saver control unit
harness connector M34 terminal 14 (LG/B) and ground.

OK or NG

OK

>> GO TO 6.

NG

>> Repair harness or connector.

2 - 6

: Battery voltage should exist.

PKIA5936E

6 - 7

: Continuity should exist.

PKIA5937E

6 (LG/B) - 1 (LG/B)

: Continuity should exist.

6 (LG/B) - Ground

: Continuity should not exist.

PKIA5938E

14 (LG/B) - 1 (LG/B)

: Continuity should exist.

14 (LG/B) - Ground

: Continuity should not exist.

PKIA5939E

LT-120

PARKING, LICENSE PLATE AND TAIL LAMPS

6. 

CHECK EACH COMBINATION LAMPS POWER SUPPLY CIRCUIT

1.

Disconnect connectors from front combination lamp LH and RH, front side marker lamp LH and RH, rear
combination lamp LH and RH, rear side marker lamp LH and RH and license lamp LH and RH.

2.

Check continuity between front combination lamp, front side marker lamp, rear combination lamp, rear
side marker lamp and license lamp harness connector and tail lamp relay harness connector.

Terminals

Continuity

Front combination lamp 

Tail lamp relay

Connector

Terminal 

(Wire color)

Connector

Terminal

 (Wire color)

RH

E50

1 (R/G)

E3-3

7 (R/G)

Yes

LH

E12

PKIA6065E

Terminals

Continuity

Front side marker lamp 

Tail lamp relay

Connector

Terminal 

(Wire color)

Connector

Terminal

 (Wire color)

RH

E46

1 (R/G)

E3-3

7 (R/G)

Yes

LH

E66

PKIA6066E

Terminals

Continuity

Rear combination lamp 

Tail lamp relay

Connector

Terminal 

(Wire color)

Connector

Terminal

 (Wire color)

RH

E58

1 (R/G)

E3-3

7 (R/G)

Yes

LH

B53

PKIA6067E

Terminals

Continuity

Rear side marker lamp 

Tail lamp relay

Connector

Terminal 

(Wire color)

Connector

Terminal

 (Wire color)

RH

E56

1 (R/G)

E3-3

7 (R/G)

Yes

LH

B52

PKIA6068E

PARKING, LICENSE PLATE AND TAIL LAMPS

LT-121

C

D

E

F

G

H

I

J

L

M

A

B

LT

OK or NG

OK

>> GO TO 7.

NG

>> Repair harness or connector.

7. 

CHECK LIGHTING SWITCH

Check continuity of lighting switch. Refer to 

LT-102, "Switch Circuit Inspection"

 .

OK or NG

OK

>> GO TO 8.

NG

>> Replace lighting switch.

8. 

CHECK LIGHTING SWITCH GROUND CIRCUIT

Check continuity between lighting switch harness connector M55 ter-
minal 5 (B) and ground.

OK or NG

OK

>> Replace headlamp battery saver control unit.

NG

>> Check harness ground circuit.

Battery Saver Control Does Not Operate Properly

AKS003Y8

1. 

CHECK DOOR SWITCH SIGNAL

With CONSULT-II

1.

Select “INTERIOR ILLUMINATION” of “IVMS” on “SELECT
SYSTEM” screen. 

2.

Operate each door via “DOOR SW-DR” and “DOOR SW-PA” on
“DATA MONITOR” screen and make sure that the switch turns
on and off as commanded.

Without CONSULT-II

Open and close the front door (driver side, passenger side) and
make sure that the switch turns on and off by “switch monitor” in
the self-diagnosis function.

OK or NG

OK

>> GO TO 6.

NG

>>

When front door switch (driver side) is malfunction, GO TO 2.

When front door switch (passenger side) is malfunction, GO TO 4.

Terminals

Continuity

License lamp 

Tail lamp relay

Connector

Terminal 

(Wire color)

Connector

Terminal

 (Wire color)

RH

B263

1 (R/G)

E3-3

7 (R/G)

Yes

LH

B264

PKIA6069E

5 (B) - Ground

: Continuity should exist.

PKIA5935E

SKIA3814E

LT-122

PARKING, LICENSE PLATE AND TAIL LAMPS

2. 

CHECK FRONT DOOR SWITCH (DRIVER SIDE) CIRCUIT

1.

Turn ignition switch OFF. 

2.

Disconnect BCM connector and front door switch (driver side)
connector.

3.

Check continuity between BCM harness connector B4 terminal
142 (R/Y) and front door switch (driver side) harness connector
B20 terminal 1 (R/Y).

4.

Check continuity between BCM harness connector B4 terminal
142 (R/Y) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK FRONT DOOR SWITCH (DRIVER SIDE)

Check front door switch (driver side).

OK or NG

OK

>> Replace BCM.

NG

>> Replace front door switch (driver side).

4. 

CHECK FRONT DOOR SWITCH (PASSENGER SIDE) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM and front door switch (passenger side) con-
nectors.

3.

Check continuity between BCM harness connector M4 terminal
37 (LG) and front door switch (passenger side) harness connec-
tor B220 terminal 1 (LG).

4.

Check continuity between BCM harness connector M4 terminal
37 (LG) and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair harness or connector.

5. 

CHECK FRONT DOOR SWITCH (PASSENGER SIDE)

Check front door switch (passenger side).

OK or NG

OK

>> Replace BCM.

NG

>> Replace front door switch (passenger side).

142 (R/Y) - 1 (R/Y)

: Continuity should exist.

142 (R/Y) - Ground

: Continuity should not exist.

PKIA5940E

Switch released (ON)

: Continuity should exist.

Switch pressed (OFF)

: Continuity should not exist.

37 (LG) - 1 (LG)

: Continuity should exist.

37 (LG) - Ground

: Continuity should not exist.

PKIA5942E

Switch released (ON)

: Continuity should exist.

Switch pressed (OFF)

: Continuity should not exist.

 

 

 

 

 

 

 

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