2003 NISSAN ALMERA N16 flow

Discharge Air FlowNJHA0124
RHA248I
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
DESCRIPTIONMANUAL
Discharge Air Flow
HA-19

How to Perform Trouble Diagnoses for Quick
and Accurate Repair
NJHA0129WORK FLOWNJHA0129S01
SHA900E
*1: HA-35
SYMPTOM TABLENJHA0129S02
Symptom Reference page
Intake door does not change. Go to Trouble Diagnosis Procedure for Intake Door. HA-37
Air outlet does not change. Go to Trouble Diagnosis Procedure for mode door. HA-41
Air mix door does not change. Go to Trouble Diagnosis Procedure for Air mix door. HA-43
Blower motor does not rotate at all. Go to Trouble Diagnosis Procedure for Blower Motor. HA-45
Magnet clutch does not engage when A/C switch and
fan switch are ON.Go to Trouble Diagnosis Procedure for Magnet Clutch. HA-52
Insufficient cooling. Go to Trouble Diagnosis Procedure for Insufficient cool-
ing.HA-66
Insufficient heating. Go to Trouble Diagnosis Procedure for Insufficientheat-
ing.HA-75
Noise Go to Trouble Diagnosis Procedure for Noise. HA-76
TROUBLE DIAGNOSESMANUAL
How to Perform Trouble Diagnoses for Quick and Accurate Repair
HA-34

Operational Check=NJHA0130The purpose of the operational check is to confirm that the system
operates properly.
CONDITIONS:NJHA0130S01Engine running and at usual operating temperature.
NHA374
PROCEDURE:NJHA0130S021. Check BlowerNJHA0130S02011. Turn fan switch to 1-speed.
Blower should operate on 1-speed.
2. Then turn fan switch to 2-speed, and continue checking blower
speed until all speeds are checked.
3. Leave blower on 4-speed.
If NG, go to trouble diagnosis procedure for blower motor (HA-45).
If OK, continue with next check.
NHA375
2. Check Discharge AirNJHA0130S02021. Turn mode control knob to each position.
RHA280I
2. Confirm that discharge air comes out according to the air dis-
tribution table at left.
Refer to “Discharge Air Flow”, HA-19.
If NG, go to trouble diagnosis procedure for mode door motor
(HA-41).
If OK, continue with next check.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSESMANUAL
Operational Check
HA-35

Intake Door
TROUBLE DIAGNOSIS PROCEDURE FOR INTAKE DOOR=NJHA0133SYMPTOM:
Intake door does not change.
INSPECTION FLOW
NHA381
*1: HA-35 *2: HA-34 *3: HA-38
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSESMANUAL
Intake Door
HA-37

Mode Door
TROUBLE DIAGNOSIS PROCEDURE FOR MODE DOOR=NJHA0137SYMPTOM:
Air outlet does not change.
INSPECTION FLOW
RHA255I
*1: HA-19
*2: HA-35*3: HA-42 *4: HA-34
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSESMANUAL
Mode Door
HA-41

Air Mix Door
TROUBLE DIAGNOSIS PROCEDURE FOR AIR MIX DOOR=NJHA0140SYMPTOM:
Air mix door does not change.
INSPECTION FLOW
RHA284I
*1: HA-44
*2: HA-35*3: HA-35 *4: HA-34
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSESMANUAL
Air Mix Door
HA-43

Blower Motor
TROUBLE DIAGNOSIS PROCEDURE FOR BLOWER MOTOR=NJHA0145SYMPTOM:
Blower motor does not rotate at all.
INSPECTION FLOW
NHA385
*1: HA-46
*2: HA-35*3: HA-34 *4: HA-35
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSESMANUAL
Blower Motor
HA-45

Magnet Clutch
TROUBLE DIAGNOSIS PROCEDURE FOR MAGNET CLUTCH=NJHA0155SYMPTOM:
Magnet clutch does not operate when A/C switch and fan switch are ON.
INSPECTION FLOW
NHA387
*1: HA-92
*2: HA-53 (QG and YD engine with
common rail), HA-60 (YD engine
without common rail)*3: HA-35
*4: HA-34*5: EM-11 (QG),
EM-11 (YD)
TROUBLE DIAGNOSESMANUAL
Magnet Clutch
HA-52