Nissan Maxima. Manual — part 960
POWER SUPPLY AND GROUND CIRCUIT
RF-13
< DTC/CIRCUIT DIAGNOSIS >
[WITH SINGLE PANEL SUNROOF]
C
D
E
F
G
H
I
J
L
M
A
B
RF
N
O
P
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000010064717
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
Is the fuse or fusible link blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
SUNROOF MOTOR ASSEMBLY
SUNROOF MOTOR ASSEMBLY : Description
INFOID:0000000009465669
• BCM supplies power.
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
H
11
10
24
7
Terminals
Voltage
(Approx.)
(+)
(
−)
BCM
Ground
Connector
Terminal
M16
1
Battery voltage
M17
11
M18
24
BCM
Ground
Continuity
Connector
Terminal
M17
13
Yes
RF-14
< DTC/CIRCUIT DIAGNOSIS >
[WITH SINGLE PANEL SUNROOF]
POWER SUPPLY AND GROUND CIRCUIT
• CPU is integrated in sunroof motor assembly.
• Tilts up/down & slides open/close by sunroof switch operation.
• In order to close sunroof lid certainly with the signal from combination meter at the time of high speed run,
the sunroof motor torque at the time of tilt-down operation is controlled.
SUNROOF MOTOR ASSEMBLY : Component Function Check
INFOID:0000000009465670
1.
CHECK SUNROOF MOTOR FUNCTION
Do tilt up/down & slide open/close functions operate normally with sunroof switch?
Is the inspection result normal?
YES
>> Sunroof motor assembly is OK.
NO
>> Refer to
RF-14, "SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure"
.
SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure
INFOID:0000000009465671
Regarding Wiring Diagram information, refer to
SUNROOF MOTOR ASSEMBLY
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly.
3. Turn ignition switch ON.
4. Check voltage between sunroof motor assembly connector and
ground.
Is the measurement value within the specification?
YES
>> GO TO 2
NO
>> GO TO 3
2.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between sunroof motor assembly connector
and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair or replace harness.
3.
CHECK SUNROOF MOTOR CIRCUIT
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Sunroof motor assembly
connector
Terminal
R5
4
Ground
Battery voltage
10
AWKIA1407ZZ
Sunroof motor assembly
connector
Terminal
Ground
Continuity
R5
8
Yes
AWKIA1408ZZ
POWER SUPPLY AND GROUND CIRCUIT
RF-15
< DTC/CIRCUIT DIAGNOSIS >
[WITH SINGLE PANEL SUNROOF]
C
D
E
F
G
H
I
J
L
M
A
B
RF
N
O
P
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector (A) and sunroof
motor assembly connector (B).
4. Check continuity between BCM connector (A) and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES
>> Check condition of harness and connector.
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
5.
CHECK SUNROOF SWITCH INPUT SIGNAL
1. Connect sunroof motor assembly.
2. Turn ignition switch ON.
3. Check voltage between sunroof motor assembly connector and
ground.
Is the measurement value within the specification?
YES
>> GO TO 8
NO
>> GO TO 6
6.
CHECK SUNROOF SWITCH CIRCUIT
BCM connector
Terminal
Sunroof motor as-
sembly connector
Terminal
Continuity
M16 (A)
2
R5 (B)
10
Yes
3
4
BCM connector
Terminal
Ground
Continuity
M16 (A)
2
No
3
AWKIA1409ZZ
Terminals
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M16
2
Ground
Battery voltage
3
ALKIA0262ZZ
Sunroof mo-
tor assembly
connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
R5
6
Ground
Sunroof switch is operated
TILT DOWN or SLIDE
OPEN
0
Other than above
Battery voltage
2
Sunroof switch is operated
TILT UP or SLIDE CLOSE
0
Other than above
Battery voltage
AWKIA1410ZZ
RF-16
< DTC/CIRCUIT DIAGNOSIS >
[WITH SINGLE PANEL SUNROOF]
POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly and sunroof switch.
3. Check continuity between sunroof motor assembly connector
(A) and sunroof switch connector (B).
4. Check continuity between sunroof motor assembly connector
(A) and ground.
Is the inspection result normal?
YES
>> GO TO 7
NO
>> Repair or replace harness.
7.
CHECK SUNROOF SWITCH GROUND CIRCUIT
1. Connect sunroof motor assembly.
2. Check continuity between sunroof switch connector and ground.
Is the inspection result normal?
YES
>> Refer to
RF-17, "SUNROOF MOTOR ASSEMBLY :
NO
>> Repair or replace harness.
8.
CHECK COMBINATION METER SIGNAL
1. Connect sunroof motor assembly.
2. Turn ignition switch ON.
3. Check signal between sunroof motor assembly connector and
ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace sunroof motor assembly. Refer to
RF-72, "Removal and Installation"
. After that, refer to
RF-7, "BASIC INSPECTION : Special Repair Requirement"
Sunroof motor as-
sembly connector
Terminal
Sunroof switch
connector
Terminal
Continuity
R5 (A)
6
R6 (B)
1
Yes
2
3
Sunroof motor assembly
connector
Terminal
Ground
Continuity
R5 (A)
6
No
2
AWKIA1411ZZ
Sunroof switch connector
Terminal
Ground
Continuity
R6
2
Yes
ALKIA0265ZZ
Terminals
Condition
Signal
(Reference value)
(+)
(-)
Sunroof
motor as-
sembly
connector
Terminal
Ground
R5
9
Speedome-
ter operated
[When vehi-
cle speed is
ap-
prox.40km/h
(25MPH)]
AWKIA1412ZZ
ELF1080D
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