Nissan Silvia. Instruction — part 207
Trouble Diagnoses
NMEL0105
Symptom
Possible cause
Repair order
None of the power windows can be
operated using any switch.
1. 10A fuse
2. 30A fusible link, M13 circuit
breaker
3. Power window relay
4. Open/short in power window
main switch circuit
5. Ground circuit
6. Power window main switch
1. Check 10A fuse [No. 5, located in fuse block (J/B)]
Turn ignition switch “ON” and verify battery positive
voltage is present at terminal 1 of power window
relay.
2. Check 30A fusible link (letter I, located in fuse and
fusible link box) and M13 circuit breaker. Verify bat-
tery positive voltage is present at terminal 3 of
power window relay.
3. Check power window relay.
4. Check W/B wire between power window relay and
power window main switch for open/short circuit.
5. Check the following:
a. Check ground circuit of power window main switch.
b. Check power window relay ground circuit.
6. Check power window main switch.
Driver side power window cannot
be operated but other windows can
be operated.
1. Driver side power window regu-
lator circuit
2. Driver side power window regu-
lator
3. Open/short in power window
main switch circuit
4. Power window main switch
1. Check harness between power window main switch
and driver side power window regulator for open or
short circuit.
2. Check driver side power window regulator.
3. Check W/B wire between power window relay and
power window main switch for open/short circuit.
4. Check power window main switch.
One or more power windows
except driver’s side window cannot
be operated.
1. Power window sub-switches
2. Power window regulators
3. Power window main switch
4. Power window circuit
1. Check power window sub-switch.
2. Check power window regulator.
3. Check power window main switch.
4. Check the following.
a. Check harness between the power window relay
terminal 5 and power window sub-switch terminal 5.
b. Check harnesses between power window main
switch and power window sub-switch for open/short
circuit.
c. Check harnesses between power window sub-switch
and power window regulator for open/short circuit.
Power windows except driver’s
side window cannot be operated
using power window main switch
but can be operated by power win-
dow sub-switch.
1. Power window main switch
1. Check power window main switch.
Driver side power window auto-
matic operation does not function
properly.
1. Power window main switch
1. Check power window main switch.
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER WINDOW
Trouble Diagnoses
EL-117
ENCODER AND LIMIT SWITCH CHECK
=NMEL0105S01
1
CHECK DOOR WINDOW SLIDE MECHANISM
Check the following.
I
Obstacles in window, glass molding, etc.
I
Worn or deformed glass molding
I
Door sash tilted too far inward or outward
I
Door window regulator
OK or NG
OK
©
GO TO 2.
NG
©
Remove obstacles or repair door window slide mechanism.
2
CHECK POWER SUPPLY TO LIMIT SWITCH
Check voltage between power window main switch harness connector D7 terminal 15 (OR) and ground.
SEL238Y
OK or NG
OK
©
GO TO 3.
NG
©
Replace power window main switch.
3
CHECK LIMIT SWITCH OPERATION
Check voltage between power window main switch harness connector D7 terminal 15 (OR) and ground during power win-
dow closing operation.
SEL239Y
OK or NG
OK
©
GO TO 5.
NG
©
GO TO 4.
POWER WINDOW
Trouble Diagnoses (Cont’d)
EL-118
4
RESET LIMIT SWITCH
Reset limit switch. Refer to BT-19, “Door Limit Switch Reset”. Then check voltage between power window main switch har-
ness connector D7 terminal 15 (OR) and ground during power window closing operation at least ten times.
SEL239Y
OK or NG
OK
©
GO TO 5.
NG
©
Replace power window regulator motor (driver side).
5
CHECK ENCODER
Measure voltage between power window main switch harness connector D7 terminal 8 (R) and ground with oscilloscope
when power window is in automatic closing operation.
SEL240Y
OK or NG
OK
©
Replace power window main switch.
NG
©
Replace power window regulator motor (driver side).
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER WINDOW
Trouble Diagnoses (Cont’d)
EL-119
Component Parts and Harness Connector
Location
NMEL0106
SEL253Y
System Description
NMEL0107
OPERATION
NMEL0107S04
I
The lock/unlock switch on the driver’s door trim can lock and unlock the passenger’s door.
I
The lock knob on the driver’s door can lock and unlock all doors. (Signals from door unlock sensor)
I
With the key inserted in the driver’s door key cylinder, the doors can be locked by turning the key to the
“LOCK” position, and unlocked by turning to the “UNLOCK” position. (Signals from door unlock sensor)
POWER DOOR LOCK
Component Parts and Harness Connector Location
EL-120
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