Nissan Primera P11. Manual — part 468
3. Check recirculation
1) Press recirculation switch.
Recirculation indicator should light.
2) Listen for intake door position change (you should hear
blower sound change slightly).
4. Check temperature decrease
1) Turn temperature control knob to full cold.
2) Check for cold air at discharge air outlets.
5. Check temperature increase
1) Turn temperature control knob to full hot.
2) Check for hot air at discharge air outlets.
KHA108
KHA109
KHA110
TROUBLE DIAGNOSES
HEATER
Operational Check (Cont’d)
HA-25
How to Perform Trouble Diagnoses for Quick
and Accurate Repair
WORK FLOW
CHECK IN
F
Reference item
LISTEN TO CUSTOMER COMPLAINT AND CONFIRM
BY PERFORMING OPERATIONAL CHECK.
F
Operational check
(Refer to HA-24.)
Symptom Chart (Refer
to HA-28.)
INVESTIGATE ITEMS YOU SHOULD CARRY OUT
RELATED TO EACH SYMPTOM.
F
Symptom Chart
(Refer to HA-28.)
E
ELIMINATE GOOD SYSTEM(S)/PART(S).
F
Preliminary Check
(Refer to HA-30.)
CHECK MAIN POWER SUPPLY AND GROUND CIR-
CUITS.
F
Main Power Supply and
Ground Circuit Check
(Refer to HA-51.)
●
Diagnostic Proce-
dure(s) (Refer to
HA-32.)
●
Circuit Diagram
(Refer to HA-41.)
E
ELIMINATE GOOD PART(S)/HARNESS(ES)/
CONNECTOR(S) ELECTRICALLY.
F
Harness layout (Refer
to “HARNESS LAYOUT”
in EL section for details.
Malfunctioning
harness(es)/
connector(s)
Malfunctioning
part(s)
INSPECT EACH COM-
PONENT.
F
Electrical Components
Inspection
(Refer to HA-78.)
REPAIR.
H
REPAIR/REPLACE.
NG
FINAL CHECK
OK
CHECK OUT
H
H
H
H
H
H
H
H
H
H
TROUBLE DIAGNOSES
AUTO
HA-26
NOTE
TROUBLE DIAGNOSES
AUTO
HA-27
Symptom Chart
DIAGNOSTIC TABLE
PROCEDURE
Preliminary
Check
Diagnostic Procedure
Main Power Supply
and Ground Circuit
Check
REFERENCE PAGE
HA-30
HA-31
HA-32
HA-52
HA-56
HA-57
HA-61
HA-65
HA-66
HA-68
HA-69
HA-70
HA-74
HA-75
HA-76
HA-77
HA-51
HA-51
HA-51
HA-51
SYMPTOM
Preliminary
check
1
Preliminary
check
2
Preliminary
check
3
Diagnostic
Procedure
1
Diagnostic
Procedure
2
Diagnostic
Procedure
3
Diagnostic
Procedure
4
Diagnostic
Procedure
5
Diagnostic
Procedure
6
Diagnostic
Procedure
7
Diagnostic
Procedure
9
Diagnostic
Procedure
10
Diagnostic
Procedure
1
1
Diagnostic
Procedure
12
Diagnostic
Procedure
13
Diagnostic
Procedure
14
15A
Fuses
7.5A
Fuse
A/C
control
panel
Auto
amp.
A/C does not blow cold air.
q
q
q
q
q
q
q
Blower motor does not rotate at all.
(Fan switch [AUTO] [1] [2] [3] [4])
q
q
Blower motor does not rotate at all when the
fan speed is in AUTO. (It operates in 1, 2, 3
or 4-speed.)
q
q
q
Blower motor fan speed does not change
when fan speed is in AUTO. (Fan speed is
fixed in Hi or MH.)
q
q
q
Blower motor fan speed does not change
when fan speed is in AUTO. (Fan speed is
fixed in LO.)
q
q
q
Starting fan speed control does not operate.
q
q
There is too much difference between setting
temp. on P.T.C. and in-vehicle temp.
q
q
Air mix door motor does not operate nor-
mally.
q
q
Intake door does not change in VENT, B/L
FOOT DEF or FOOT mode.
q
Magnetic clutch does not engage when A/C
switch and fan switch are ON.
q
Ambient sensor circuit is open or shorted.
q
q
In-vehicle sensor circuit is open or shorted.
q
q
Sunload sensor circuit is open or shorted.
q
q
Thermal transmitter circuit is open or
shorted.
q
q
Illumination or indicators of control unit do
not come on.
q
q
Noise
,
: The number means checking order.
q
: As for the order of inspection, refer to each flow chart. (It depends on malfunctioning portion.)
TROUBLE DIAGNOSES
AUTO
HA-28
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