Infiniti QX4 (R50). Manual — part 339
System Description
NBEL0206
OUTLINE
NBEL0206S01
Electric sunroof system consists of
I
Sunroof switch
I
Sunroof motor
I
Power window relay
I
Smart entrance control unit
Smart entrance control unit controls retained power operation.
OPERATION
NBEL0206S02
The sunroof can be opened or closed and tilted up or down with the sunroof switch.
AUTO OPERATION
NBEL0206S03
The power sunroof AUTO feature makes it possible to open and close the sunroof without holding the sunroof
switch in the down or up position.
RETAINED POWER OPERATION
NBEL0206S04
When the ignition switch is turned to OFF position from ON or START position, power is supplied for 45 sec-
onds
I
to power window relay terminal 2
I
from smart entrance control unit terminal 5.
Ground is always supplied
I
to power window relay terminal 1
I
through body grounds.
When power and ground are supplied, power window relay continues to be energized, and the electrical sun-
roof can be operated.
The retained power operation is canceled when the driver or passenger side door is opened.
INTERRUPTION DETECTION FUNCTION
NBEL0206S05
The CPU of sunroof motor monitors the sunroof motor operation and the sunroof position (full closed or other)
for sunroof by the signals from encoder and limit switch in sunroof motor.
When sunroof motor detects interruption during the following close operation,
I
automatic close operation when ignition switch is in the “ON” position
I
automatic close operation during retained power operation
sunroof switch controls the motor for open and the sunroof will operate about 150 mm (5.91 in).
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER SUNROOF
System Description
EL-173
Wiring Diagram — SROOF —
NBEL0089
MEL007O
POWER SUNROOF
Wiring Diagram — SROOF —
EL-174
MEL826L
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER SUNROOF
Wiring Diagram — SROOF — (Cont’d)
EL-175
Trouble Diagnoses
NBEL0207
Symptom
Possible cause
Repair order
Power sunroof cannot be operated
using any switch.
1. 7.5A fuse, 40A fusible link and
M145 circuit breaker
2. Power window relay ground cir-
cuit
3. Sunroof motor ground circuit
4. Power window relay
5. Sunroof motor circuit
6. Sunroof switch
7. Sunroof switch circuit
8. Sunroof motor
1. Check 7.5A fuse [No. 11, located in fuse block
(J/B)], 40A fusible link (letter f, located in fuse and
fusible link box) and M145 circuit breaker. Turn igni-
tion switch “ON” and verify battery positive voltage
is present at terminals 2 and 3 of power window
relay and terminal 1 of sunroof motor.
2. Check power window relay ground circuit.
3. Check sunroof motor ground circuit.
4. Check power window relay.
5. Check the wire between power window relay and
sunroof motor.
6. Check sunroof switch.
7. Check harness between sunroof switch and sunroof
motor.
8. Check sunroof motor.
Power sunroof cannot be operated
using one of the sunroof switches.
1. Sunroof switch
2. Sunroof switch circuit
1. Check sunroof switch.
2. Check the harness between sunroof motor and sun-
roof switch.
Power sunroof auto function cannot
be operated properly.
1. Sunroof slide mechanism
2. Sunroof switch
3. Sunroof switch circuit
4. Sunroof motor
1. Check the following.
a. Check obstacles in sunroof, etc.
b. Check worn or deformed sunroof.
c. Check sunroof sash tilted too far inward or outward.
2. Check sunroof switch.
3. Check harness between sunroof motor and sunroof
switch.
4. Replace sunroof motor.
Retained power operation does not
operate properly.
1. RAP signal circuit
2. Driver or passenger side door
switch circuit
3. Smart entrance control unit
1. Check harness between power window relay termi-
nal 2 and smart entrance control unit terminal 5.
2. Check the following.
a. Harness between smart entrance control unit and
driver or passenger side door switch for short circuit
b. Driver or passenger side door switch ground circuit
c. Driver or passenger side door switch
3. Check smart entrance control unit. (EL-324)
POWER SUNROOF
Trouble Diagnoses
EL-176
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст