Infiniti I35 (A33). Manual — part 532
9
STEP-5 TEMPERATURE OF EACH SENSOR IS CHECKED
Turn the TEMP dial clockwise, advance to STEP-5. This is Intake sensor, In Vehicle sensor and Ambient Sensor function
check. Code 51 will be displayed.
NOTE:
Each sensor reading should be approximately the actual temperature.
RHA359H
©
GO TO 10.
10
CHECK AMBIENT SENSOR
Press DEF once, temperature detected by the Ambient Sensor is displayed.
RHA499G
OK or NG
OK
©
GO TO 11.
NG
©
Go to Ambient Sensor Circuit (HA-93).
11
CHECK IN-VEHICLE SENSOR
Press DEF second time, temperature detected by the In Vehicle Sensor is displayed.
RHA500G
OK or NG
OK
©
GO TO 12.
NG
©
Go to In-vehicle Sensor Circuit (HA-97).
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Self-diagnosis (Cont’d)
HA-41
12
CHECK INTAKE SENSOR
Press DEF third time, temperature detected by the Intake Sensor is displayed.
RHA500GD
OK or NG
OK
©
1. Press
(DEF) switch the fourth time. Display returns to original presentation 51.
2. Turn ignition switch OFF or
(AUTO) switch ON.
3. END
NG
©
Go to Intake Sensor Circuit (HA-104).
TROUBLE DIAGNOSES
Self-diagnosis (Cont’d)
HA-42
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.
MTBL1252
*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 to 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
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