2007 NISSAN TIIDA display

SELF-DIAGNOSIS FUNCTION
HAC-99
< FUNCTION DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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CAUTION:
If battery voltage drops below 12V during diagnosis STEP-3, door motor speed becomes slower and
as a result, the system may generate an error even when operation is usual. To avoid this, start engine
before performing this diagnosis.
>> GO TO 2.
2.STEP-1: LED AND DISPLAY ARE CHECKED
Check display screen (1) and LED illumination (2).
OK or NG
OK >> GO TO 3.
NG >> Malfunction OFF switch or AUTO switch. Refer to HAC-
311, "Self-Diagnosis".
3.CHECK TO ADVANCE SELF-DIAGNOSIS STEP-2
Press temperature control switch (UP: ).
Advance to self
-diagnosis STEP-2?
YES >> GO TO 4.
NO >> Replace front air control (temperature control switch is malfunctioning). Refer to XX.
4.CHECK TO RETURN SELF-DIAGNOSIS STEP-1
Press temperature control switch (DOWN: ).
Return to self
-diagnosis STEP-1?
YES >> GO TO 5.
NO >> Replace front air control (temperature control switch is malfunctioning). Refer to XX.
5.STEP-2: SENSOR CIRCUITS ARE CHECKED FOR OPEN OR SHORT CIRCUIT
Press temperature control switch (UP: ).
Does code No. 20 appear on the display?
YES >> GO TO 6.
NO >> GO TO 13.
6.STEP-3: AIR MIX DOOR AND MODE DOOR POSITIONS ARE CHECKED
Press temperature control switch (UP: ).
Does code No. 30 appear on the display?
YES >> GO TO 7.
NO >> GO TO 14.
AWIIA0285ZZ
SJIA0737E
SJIA0738E

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 HAC-94, "
Discharge Air Flow" 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. 414243444546
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)]
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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 HAC-130, "
Ambi-
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 HAC-133, "
In-
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 HAC-139, "
Intake
Sensor Diagnosis Procedure".
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
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Code No. Malfunctioning sensor (Including circuits) Reference page
21 /
AUTO 21Ambient sensor *2
22 /
AUTO 22In-vehicle sensor *3
24 /
AUTO 24Intake sensor *4
25 /
AUTO 25 Sunload sensor *1*5
26 /
AUTO 26Intake 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)34163416
Corresponding terminal
(Front air control side)19 22 21 20 23 26 25 24
Code number for short cir-
cuit
AUTO31AUTO32AUTO33AUTO34AUTO35AUTO36AUTO37AUTO38
Code number for open cir-
cuit31 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)]
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 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

AIR MIX DOOR MOTOR
HAC-111
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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COMPONENT DESCRIPTION
Air Mix Door Motor
The air mix door motor is attached to the A/C unit assembly. It
rotates so that the air mix door is opened or closed to a position set
by the front air control Motor rotation is conveyed through a shaft
and the air mix door position is then feedback to the front air control
by PBR built-in air mix door motor.
Air Mix Door Motor Component Function CheckINFOID:0000000001569469
INSPECTION FLOW
1.CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE INCREASE
1. Press the temperature control switch UP until 32°C (90°F) is displayed.
2. Check for hot air at discharge air outlets.
>> GO TO 2.
2.CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE DECREASE
1. Press the temperature control switch DOWN until 18°C (64°F) is displayed.
2. Check for cold air at discharge air outlets.
Can a symptom be duplicated?
YES >> GO TO 3.
NO >> Perform a complete operational check. Refer to HAC-87, "
Operational Check".
3.CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
>> GO TO 4.
4.PERFORM SELF-DIAGNOSIS.
Perform the self-diagnosis function. Refer to HAC-98, "
Front Air Control Self-Diagnosis".
Are any self-diagnosis codes present?
YES >> Repair as necessary.
NO >> GO TO 5.
5. CHECK AMBIENT SENSOR CIRCUIT
Perform diagnostic procedure for the ambient sensor circuit. Refer to HAC-130, "
Ambient Sensor Diagnosis
Procedure".
AWIIA0293GB
SJIA0813E

AMBIENT SENSOR
HAC-131
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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NO >> GO TO 4.
2.CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect front air control connector M60.
3. Check continuity between ambient sensor harness connector
E60 (A) terminal 1 and front air control harness connector M51
(B) terminal 33.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK AMBIENT SENSOR
Refer to HAC-131, "
Ambient Sensor Component Inspection".
Is the inspection result normal?
YES >> 1. Replace front air control. Refer to XX.
2. Go to self-diagnosis HAC-98, "
Front Air Control Self-Diagnosis" and perform self-diagnosis
STEP-2. Confirm that code No. 20 is displayed.
NO >> 1. Replace ambient sensor. Refer to XX.
2. Go to self-diagnosis HAC-98, "
Front Air Control Self-Diagnosis" and perform self-diagnosis
STEP-2. Confirm that code No. 20 is displayed.
4.CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect front air control connector M51.
3. Check continuity between ambient sensor harness connector
E60 (A) terminal 2 and front air control harness connector M51
(B) terminal 30.
4. Check continuity between ambient sensor harness connector
E34 (A) terminal 2 and ground.
Is the inspection result normal?
YES >> 1. Replace front air control. Refer to XX.
2. Go to self-diagnosis HAC-98, "
Front Air Control Self-Diagnosis" and perform self-diagnosis
STEP-2. Confirm that code No. 20 is displayed.
NO >> Repair harness or connector.
Ambient Sensor Component InspectionINFOID:0000000001547437
COMPONENT INSPECTION
Ambient Sensor
AB
Continuity
Connector Terminal Connector Terminal
Ambient sensor:
E601Front air control:
M5133 Yes
AWIIA0308ZZ
AB
Continuity
Connector Terminal Connector Terminal
Ambient sensor:
E602Front air control:
M5130 Yes
A
GroundContinuity
Connector Terminal
Ambient sensor:
E602No
AWIIA0309ZZ

HAC-134
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
IN-VEHICLE SENSOR
1.CHECK VOLTAGE BETWEEN IN-VEHICLE SENSOR AND GROUND
1. Turn ignition switch OFF.
2. Disconnect in-vehicle sensor connector M93.
3. Turn ignition switch ON.
4. Check voltage between in-vehicle sensor harness connector
M93 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK CIRCUIT CONTINUITY BETWEEN IN-VEHICLE SENSOR AND FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect front air control connector M51.
3. Check continuity between in-vehicle sensor harness connector
M93 (A) terminal 2 and front air control harness connector M51
(B) terminal 33.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK IN-VEHICLE SENSOR
Refer to HAC-135, "
In-Vehicle Sensor Component Inspection".
Is the inspection result normal?
YES >> 1. Replace front air control. Refer to XX.
2. Go to self-diagnosis HAC-98, "
Front Air Control Self-Diagnosis" and perform self-diagnosis
STEP-2. Confirm that code No. 20 is displayed.
NO >> 1. Replace in-vehicle sensor. Refer to XX.
2. Go to self-diagnosis HAC-98, "
Front Air Control Self-Diagnosis" and perform self-diagnosis
STEP-2. Confirm that code No. 20 is displayed.
4.CHECK CIRCUIT CONTINUITY BETWEEN IN-VEHICLE SENSOR AND FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect front air control connector M51.
3. Check continuity between in-vehicle sensor harness connector
M93 (A) terminal 1 and front air control harness connector M51
(B) terminal 28.
4. Check continuity between in-vehicle sensor harness connector
M93 (A) terminal 1 and ground.
Te r m i n a l s
Vo l ta g e
(Approx.) (+) (−)
Connector Terminal
Ground
In-vehicle sensor:
M9315V
SJIA0816E
AB
Continuity
Connector Terminal Connector Terminal
In-vehicle sensor:
M932Front air con-
trol: M5133 Yes
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AB
Continuity
Connector Terminal Connector Terminal
In-vehicle sensor:
M931Front air con-
trol: M5128 Yes
SJIA0818E