Infiniti M35/M45 Y50. Manual - part 1016

SUNROOF

RF-19

C

D

E

F

G

H

J

K

L

M

A

B

RF

2. 

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between sunroof motor assembly connector and ground.

OK or NG

OK

>> Sunroof motor assembly power supply and ground cir-

cuit are OK. Further inspection is necessary. Refer to

RF-17, "Diagnosis Symptom Chart"

 .

NG

>> Repair or replace harness.

3. 

CHECK SONROOF MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM connector and sunroof motor assembly connector.

4.

Check continuity between BCM connector and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Turn ignition switch ON.

3.

Check voltage between BCM connector and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Replace BCM.

Sunroof motor 

assembly connector

Terminal

Ground

Continuity 

M186

8

Yes

PIIB5904E

A

B

Continuity 

BCM connector

Terminal

Sunroof motor 

assembly 

connector

Terminal

M2

53

M186

6

Yes

54

1

A

Ground

Continuity 

BCM connector

Terminal

M2

53

No

54

PIIB5905E

Terminals

Voltage (V)

(Approx.)

(+)

(–)

BCM connector

Terminal 

M2

53

Ground

Battery voltage

54

PIIB5906E

RF-20

SUNROOF

Check Sunroof Switch 

NIS00240

1. 

CHECK SUNROOF SWITCH INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between sunroof motor assembly connector and ground.

OK or NG

OK

>> Sunroof switch system is OK.

NG

>> GO TO 2.

2. 

CHECK SUNROOF SWITCH CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect sunroof motor assembly and sunroof switch connector.

3.

Check continuity between sunroof motor assembly connector and sunroof switch connector.

4.

Check continuity between sunroof motor assembly connector
and ground. 

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

Sunroof 

motor 

assembly 

connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M186

4

Ground

Sunroof switch is operated
TILT DOWN or SLIDE OPEN

0

Other than above

Battery voltage

11

Sunroof switch is operated 
TILT UP or SLIDE CLOSE

0

Other than above

Battery voltage

PIIB5908E

A

B

Continuity 

Sunroof motor 

assembly connector

Terminal

Sunroof switch 

connector

Terminal

M186

4

R53

1

Yes

11

3

A

Ground

Continuity 

Sunroof motor 

assembly connector

Terminal

M186

4

No

11

PIIB5909E

SUNROOF

RF-21

C

D

E

F

G

H

J

K

L

M

A

B

RF

3. 

CHECK SUNROOF SWITCH GROUND CIRCUIT 

Check continuity between sunroof switch connector and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK SUNROOF SWITCH GROUND CIRCUIT 

Check continuity between sunroof motor connector and sunroof switch connector.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness.

5. 

CHECK SUNROOF SWITCH 

Check continuity between sunroof switch terminals.

OK or NG

OK

>> Replace sunroof motor assembly.

NG

>> Replace sunroof switch.

Sunroof switch 

connector

Terminal

Ground

Continuity 

R53

2

Yes

PIIB5910E

A

B

Continuity 

Sunroof switch 

connector

Terminal

Sunroof motor 

assembly connector

Terminal

R53

2

M186

9

Yes

PIIB5911E

Terminals

Condition

Continuity

1 

2

Sunroof switch is operated 
TILT DOWN or SLIDE OPEN

Yes

Other than above

No

3

Sunroof switch is operated
TILT UP or SLIDE CLOSE

Yes

Other than above

No

PIIB5907E

RF-22

SUNROOF

Check Door Switch

NIS00241

1. 

CHECK DOOR SWITCH INPUT SIGNAL

Check voltage between BCM connector and ground.

OK or NG

OK

>> Door switch circuit is OK.

NG

>> GO TO 2.

2. 

CHECK DOOR SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect door switch and BCM connector.

3.

Check continuity between BCM connector and door switch connector.

4.

Check continuity between BCM connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

BCM 

connector

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M1

Passenger side

12

Ground

OPEN

0

CLOSE

Battery voltage

M3

Driver side

62

OPEN

0

CLOSE

Battery voltage

PIIB5912E

A

B

Continuity 

BCM connector

Terminal

Driver side door 

switch connector

Terminal

M3

62

B11

2

Yes

A

C

Continuity 

BCM connector

Terminal

Passenger side 

door switch 

connector

Terminal

M1

12

B424

2

Yes

A

Ground

Continuity 

BCM

connector

Item

Terminal

M3

Driver side

62

No

M1

Passenger 

side

12

PIIB6494E