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
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