Infiniti I30 (A33). Manual — part 521
13
CHECK MALFUNCTIONING SENSOR
NOTE:
I
A blinking mark (-) preceding the Code No. indicates a short circuit.
I
If 2 or more items are malfunctioning the corresponding codes will alternately blink twice.
I
A circuit will be detected as open or shorted and its code No. will be displayed when input signals correspond with con-
ditions in the following chart.
MTBL0386
*1: “95%” and “5%” refer to percentage with respect to stroke of air mix door. (Full cold: 0%, Full hot: 100%)
*2: Conduct self-diagnosis STEP 2 under sunshine.
When conducting indoors, direct light (more than 60W) at sunload sensor.
*3: HA-93, *4: HA-97, *5: HA-104, *6: HA-100, *7: HA-106
RHA455G
RHA501A
©
INSPECTION END
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Self-diagnosis (Cont’d)
HA-43
14
CHECK MALFUNCTIONING DOOR MOTOR POSITION SWITCH
30-
Mode door and intake door position switches are in working order.
Continue ot next step.
31-
Mode door circuit / switch in vent position switch is malfunctioning.
32-
Mode door circuit / switch in B/L position switch is malfunctioning.
34-
Mode door circuit / switch in Foot position switch is malfunctioning.
35-
Mode door circuit / switch in Foot Def. position switch is malfunctioning.
36-
Mode door circuit / switch in Def. position switch is malfunctioning.
37-
Intake door mode circuit / switch in Fresh Air position is malfunctioning.
38-
Intake door mode circuit / switch in 20% Fresh Air position is malfunctioning.
39-
Intake door mode circuit / switch in Recirculation Air position is malfunctioning.
NOTE:
I
If 2 or more items are malfunctioning the corresponding codes will alternately blink twice.
I
If the Mode Door Motor harness is disconnected repeated display pattern of 31
,
32
,
34
,
35
,
36 will occur.
I
If Intake Door Motor harness is disconnected repeated display pattern of 37
,
38
,
39 will occur.
I
If any Mode Door Motor Position Switch is malfunctioning the Mode Door Motor will also malfunction.
RHA168DA
RHA498A
©
INSPECTION END
TROUBLE DIAGNOSES
Self-diagnosis (Cont’d)
HA-44
AUXILIARY MECHANISM: TEMPERATURE SETTING TRIMMER
=NHHA0176S03
Unconfirmed Incidents
NHHA0176S0301
The customer may feel that the cabin temperature is not being controlled or regulated to the temperature indi-
cated by the auto A/C display screen. To satisfy individual driver preference the Temperature Setting Trimmer
may be used to compensate in a range of
±
3°C (
±
6°F).
1. Enter Self Diagnosis mode and select STEP 5.
2. Press the Fan Up
switch: This will set the A/C system in auxiliary mode and the display will show 61.
3. Turn the temperature dial clockwise or counterclockwise: The temperature will change at a rate of 0.5°C
(1°F).
If power is lost to the A/C Auto Amp. trimmer setting is canceled and setting becomes that of initial condition,
0°.
SHA330F
When battery cable is disconnected, trimmer operation is canceled. Temperature set becomes that of
initial condition, i.e. 0°C (0°F).
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Self-diagnosis (Cont’d)
HA-45
How to Perform Trouble Diagnoses for Quick
and Accurate Repair
=NHHA0177
WORK FLOW
NHHA0177S01
SHA900E
*1: Operational Check (HA-47)
SYMPTOM TABLE
NHHA0177S02
Symptom
Reference Page
I
A/C system does not come on.
I
Go to Trouble Diagnosis Procedure for A/C system.
I
Air outlet does not change.
I
Go to Trouble Diagnosis Procedure for Mode Door Motor. (LAN)
I
Mode door motor does not operate nor-
mally.
I
Discharge air temperature does not
change.
I
Go to Trouble Diagnosis Procedure for Air Mix Door Motor. (LAN)
I
Air mix door motor does not operate nor-
mally.
I
Intake door does not change.
I
Go to Trouble Diagnosis Procedure for Intake Door Motor. (LAN)
I
Intake door motor does not operate nor-
mally.
I
Blower motor operation is malfunctioning.
I
Go to Trouble Diagnosis Procedure for Blower Motor.
I
Blower motor operation is malfunctioning
under out of starting fan speed control.
I
Magnet clutch does not engage.
I
Go to Trouble Diagnosis Procedure for Magnet Clutch.
I
Insufficient cooling.
I
Go to Trouble Diagnosis Procedure for Insufficient Cooling.
I
Insufficient heating.
I
Go to Trouble Diagnosis Procedure for Insufficient Heating.
I
Noise.
I
Go to Trouble Diagnosis Procedure for Noise.
I
Self-diagnosis can not be performed.
I
Go to Trouble Diagnosis Procedure for Self-diagnosis.
I
Memory function does not operate.
I
Go to Trouble Diagnosis Procedure for Memory Function.
I
ECON mode does not operate.
I
Go to Trouble Diagnosis Procedure for ECON (ECONOMY) —
mode.
TROUBLE DIAGNOSES
How to Perform Trouble Diagnoses for Quick and Accurate Repair
HA-46
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