Nissan Altima L32. Instruction — part 1167
RF-10
< FUNCTION DIAGNOSIS >
SUNROOF SYSTEM
Front door switch
Detects front door open/close condition and transmits to BCM.
Combination meter
Transmits vehicle speed signal to sunroof motor assembly.
Component
Function
DIAGNOSIS SYSTEM (BCM)
RF-11
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
RF
N
O
P
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function
INFOID:0000000004494649
ECU IDENTIFICATION
Displays the BCM part No.
SELF-DIAG RESULT
RETAIND PWR
RETAIND PWR : CONSULT-III Function (BCM - RETAINED PWR)
INFOID:0000000004494650
Data monitor
Monitor Item
[Unit]
Description
DOOR SW-DR [ON/OFF]
Indicates condition of front door switch LH.
DOOR SW-AS [ON/OFF]
Indicates condition of front door switch RH.
RF-12
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
SUNROOF MOTOR ASSEMBLY
SUNROOF MOTOR ASSEMBLY : Description
INFOID:0000000004205532
• BCM supplies power.
• 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:0000000004205533
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-12, "SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure"
.
SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure
INFOID:0000000004205534
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
7
Ground
Battery voltage
9
ALKIA0259ZZ
Sunroof motor assembly
connector
Terminal
Ground
Continuity
R5
2
Yes
ALKIA0260ZZ
POWER SUPPLY AND GROUND CIRCUIT
RF-13
< COMPONENT DIAGNOSIS >
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-96, "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)
7
Yes
3
9
BCM connector
Terminal
Ground
Continuity
M16 (A)
2
No
3
ALKIA0261ZZ
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
5
Ground
Sunroof switch is operated
TILT DOWN or SLIDE
OPEN
0
Other than above
Battery voltage
1
Sunroof switch is operated
TILT UP or SLIDE CLOSE
0
Other than above
Battery voltage
ALKIA0263ZZ
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