Nissan Tiida C11. Instruction — part 859
HAC-100
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
SELF-DIAGNOSIS FUNCTION
7.
STEP-4: OPERATION OF EACH DOOR MOTOR IS CHECKED
1.
Press temperature control switch (UP: ).
2.
Press
(DEF) switch. Code No. of each door motor test is
indicated on the display.
>> GO TO 8.
8.
CHECK ACTUATORS
Refer to
and confirm discharge air flow, air temperature, blower motor voltage
and compressor operation.
Checks must be made visually, by listening to any noise, or by touching air outlets with your hand, etc. for
improper operation.
OK or NG
OK
>> GO TO 9.
NG
>> • Air outlet does not change.
Go to Mode Door Motor Circuit. Refer to
HAC-109, "Mode Door Motor Diagnosis Procedure"
.
• Intake door does not change.
Go to Intake Door Motor Circuit. Refer to
HAC-116, "Intake Door Motor Diagnosis Procedure"
• Blower motor operation is malfunctioning.
Go to Blower Motor Circuit. Refer to
HAC-120, "Front Blower Motor Diagnosis Procedure"
.
• Magnet clutch does not engage.
Go to Magnet Clutch Circuit. Refer to
HAC-125, "Magnet Clutch Diagnosis Procedure"
• Discharge air temperature does not change.
Go to Air Mix Door Motor Circuit. Refer to
HAC-112, "Air Mix Door Motor Diagnosis Procedure"
9.
STEP-5: TEMPERATURE OF EACH SENSOR IS CHECKED
1.
Press temperature control switch (UP: ).
2.
Code No. 5 appears on the display.
>> GO TO 10.
10.
CHECK AMBIENT SENSOR
RHA495A
Code No.
41
42
43
44
45
46
Mode door position
VENT
B/L 1
B/L 2
FOOT
D/F
DEF
Intake door position
REC
REC
20% FRE
80% FRE
FRE
FRE
Air mix door position
FULL COLD
FULL COLD
50%
50%
FULL HOT
FULL HOT
Blower motor voltage
5V
10.5V
8.5V
8.5V
8.5V
Battery voltage
Compressor
ON
ON
ON
OFF
OFF
ON
Blower motor ON signal
12V
12V
12V
1V
1V
12V
SELF-DIAGNOSIS FUNCTION
HAC-101
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Press
(DEF) switch one time. Temperature detected by ambient
sensor is indicated on the display.
NOTE:
If temperature shown on display greatly differs from actual tempera-
ture, check sensor circuit first, then inspect sensor.
OK or NG
OK
>> GO TO 11.
NG
>> Go to Ambient Sensor Circuit. Refer to
ent Sensor Diagnosis Procedure"
11.
CHECK IN-VEHICLE SENSOR
Press
(DEF) switch second time. Temperature detected by in-
vehicle sensor is indicated on the display.
NOTE:
If temperature shown on display greatly differs from actual tempera-
ture, check sensor circuit first, then inspect sensor.
OK or NG
OK
>> GO TO 12.
NG
>> Go to In-vehicle Sensor Circuit. Refer to
Vehicle Sensor Diagnosis Procedure"
12.
CHECK INTAKE SENSOR
Press
(DEF) switch third time. Temperature detected by intake
sensor is indicated on the display.
NOTE:
If temperature shown on display greatly differs from actual tempera-
ture, check sensor circuit first, then inspect sensor.
OK or NG
OK
>> 1.
Turn ignition switch OFF or AUTO switch ON.
2.
INSPECTION END
NG
>> Go to Intake Sensor Circuit. Refer to
13.
CHECK MALFUNCTIONING SENSOR
Refer to the following chart for malfunctioning code No.
(If two or more sensors malfunction, corresponding code No. blink respectively twice.)
*1: Perform self-diagnosis STEP-2 under sunshine.
When performing indoors, aim a light (more than 60W) at sunload sensor, otherwise code No.25 will indicate
despite that sunload sensor is functioning properly.
*2:
HAC-130, "Ambient Sensor Diagnosis Procedure"
.
*3:
HAC-133, "In-Vehicle Sensor Diagnosis Procedure"
.
*4:
HAC-139, "Intake Sensor Diagnosis Procedure"
*5:
HAC-136, "Sunload Sensor Diagnosis Procedure"
.
SJIA0744E
SJIA0746E
SJIA0748E
Code No.
Malfunctioning sensor (Including circuits)
Reference page
21 /
AUTO
21
Ambient sensor
*2
22 /
AUTO
22
In-vehicle sensor
*3
24 /
AUTO
24
Intake sensor
*4
25 /
AUTO
25
Sunload sensor
*1
*5
26 /
AUTO
26
Intake door motor PBR
*6
HAC-102
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
SELF-DIAGNOSIS FUNCTION
*6:
HAC-116, "Intake Door Motor Diagnosis Procedure"
>> INSPECTION END
14.
CHECK MALFUNCTIONING DOOR MOTOR POSITION SWITCH
Air mix and/or mode door motor is/are malfunctioning.
Door motor corresponding to the DTC
DTC for an inoperative harness
(If two or more air mix or mode doors are out of order, corresponding code numbers blink respectively twice.)
*1: If air mix door motor harness connector is disconnected, the following display pattern will appear.
31
→
32
→
33
→
34
→
Return to 31
*2: If mode door motor harness connector is disconnected, the following display pattern will appear.
35
→
36
→
37
→
38
→
Return to 35
*3:
HAC-112, "Air Mix Door Motor Diagnosis Procedure"
.
*4:
HAC-109, "Mode Door Motor Diagnosis Procedure"
.
NOTE:
• If all four terminals of each door motor show an open circuit, there
is probably a disconnected connector or an open circuit in actuator
drive power supply harness.
• If a short circuit occurs in the harness between terminal for each
door motor and drive signal, although it cannot be detected by self-
diagnosis, the door motor will vibrate when it operate.
Door Motor Starting Position Reset
SJIA0752E
Code No.*1 *2
31, 32, 33, 34
35, 36, 37, 38
Corresponding door motor
Air mix door
Mode door
Corresponding door motor
Air mix door motor
Mode door motor
Corresponding terminal
(Door motor side)
3
4
1
6
3
4
1
6
Corresponding terminal
(Front air control side)
19
22
21
20
23
26
25
24
Code number for short cir-
cuit
AUTO
31
AUTO
32
AUTO
33
AUTO
34
AUTO
35
AUTO
36
AUTO
37
AUTO
38
Code number for open cir-
cuit
31
32
33
34
35
36
37
38
Reference Page
*3
*4
AWIIA0287GB
SELF-DIAGNOSIS FUNCTION
HAC-103
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
• Pressing the DEF switch during STEP-3 will send a reset signal to
air mix door and mode door motor to reset them to the starting
position.
During reset: The 30 and DEF switch LED will blinks. (For approx.
9 seconds)
>> INSPECTION END
AUXILIARY MECHANISM: TEMPERATURE SETTING TRIMMER
The trimmer compensates for differences in range of
±
3
°
C between temperature setting (displayed digitally)
and temperature felt by driver.
Operating procedures for this trimmer are as follows:
1.
Begin self-diagnosis STEP-5 mode. Refer to "Self-diagnosis Function".
2.
Press blower motor switch (UP: ) to set system in auxiliary mode.
3.
Display shows 0
°
C in auxiliary mechanism.
SJIA0952E
SJIA0757E
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