Nissan Primera P11. Instruction — part 475
p
A
CHECK RESISTOR AFTER DISCON-
NECTING IT.
OK
E
NG
Replace resistor.
CHECK FAN SWITCH. (Refer to Elec-
trical Components Inspection.) (HA-78)
OK
E
NG
Replace A/C control
panel.
Note
Check circuit continuity between fan
switch harness terminal No.
p
2
,
p
8
,
p
14
,
p
20
and body ground.
Check body ground circuit for A/C
control panel. (Refer to Main Power
Supply and Ground Circuit Check,
HA-51).
OK
Replace blower motor.
Note:
If the result is NG or No after checking circuit continuity, repair harness or
connector.
NHA447
A/C Control
panel connector
H
H
H
H
TROUBLE DIAGNOSES
AUTO
Diagnostic Procedure 1 (Cont’d)
HA-53
Diagnostic Procedure 2: Models with relay
type 1
SYMPTOM: Blower motor does not rotate at all when the fan
speed is in AUTO. (It operates in 1, 2, 3, or
4-speed only.)
CHECK POWER SUPPLY FOR A/C
(LO) RELAY.
Disconnect LO relay harness connec-
tor.
Do approx.
12 volts
exist between
AUTO relay harness terminal No.
p
1
and body ground?
OK
E
NG
Check 10A fuse (No.
26
)
at fuse block.
(Refer to “POWER SUP-
PLY ROUTING” in EL sec-
tion and Wiring Diagram.)
Check circuit continuity between LO
relay harness terminal No.
p
2
and
body ground.
OK
E
NG
CHECK FAN SWITCH
(Refer to Electrical Com-
ponents Inspection.)
(HA-78)
OK
NG
Replace
A/C con-
trol panel.
Note
Check circuit continuity
between LO relay har-
ness terminal No.
p
2
and A/C control panel
harness terminal No.
p
33
.
Note
CHECK POWER SUPPLY FOR LO
RELAY.
Do approx.
12 volts
exist between LO
relay harness terminal No.
p
3
and
body ground?
OK
E
NG
Check circuit continuity
between resistor harness
terminal No.
p
8
and LO
relay harness terminal
No.
p
3
.
p
A
(Go to next page.)
Note:
If the result is NG or No after checking circuit continuity, repair harness or
connector.
YHA245
LO relay
connector
YHA246
LO relay
connector
YHA247
LO relay
connector
YHA248
LO relay
connector
Resistor
connector
NHA448
A/C control panel
connector
LO relay
connector
Continuity should exist when test leads
are connected as shown; itshould not
exist when test leads are reversed.
H
H
H
H
H
TROUBLE DIAGNOSES
AUTO
HA-54
p
A
Note
Check circuit continuity between LO relay
harness terminal No.
p
5
and body
ground.
OK
CHECK LO RELAY AFTER DISCON-
NECTING IT.
E
NG
Replace LO relay.
YHA250
LO relay
connector
H
H
TROUBLE DIAGNOSES
AUTO
Diagnostic Procedure 2: Models with relay
type 1 (Cont’d)
HA-55
Diagnostic Procedure 2: Models with relay
type 2
SYMPTOM: Blower motor does not rotate at all when the fan
speed is in AUTO. (It operates in 1, 2, 3, or
4-speed only.)
CHECK POWER SUPPLY FOR A/C
(LO) RELAY.
Disconnect LO relay harness connec-
tor.
Do approx.
12 volts
exist between
AUTO relay harness terminal No.
p
1
and body ground?
OK
E
NG
Check 10A fuse (No.
26
)
at fuse block.
(Refer to “POWER SUP-
PLY ROUTING” in EL sec-
tion and Wiring Diagram.)
Check circuit continuity between LO
relay harness terminal No.
p
2
and
body ground.
OK
E
NG
CHECK FAN SWITCH
(Refer to Electrical Com-
ponents Inspection.)
(HA-78)
OK
NG
Replace
A/C con-
trol panel.
Note
Check circuit continuity
between LO relay har-
ness terminal No.
p
2
and A/C control panel
harness terminal No.
p
33
.
Note
CHECK POWER SUPPLY FOR LO
RELAY.
Do approx.
12 volts
exist between LO
relay harness terminal No.
p
3
and
body ground?
OK
E
NG
Check circuit continuity
between resistor harness
terminal No.
p
8
and LO
relay harness terminal
No.
p
3
.
p
A
(Go to next page.)
Note:
If the result is NG or No after checking circuit continuity, repair harness or
connector.
YHA379
YHA380
YHA381
YHA382
YHA389
H
H
H
H
H
TROUBLE DIAGNOSES
AUTO
HA-56
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст