Nissan Tiida C11. Manual - part 860

 

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Nissan Tiida C11. Manual - part 860

 

 

HAC-104

< FUNCTION DIAGNOSIS >

[AUTO AIR CONDITIONER (W/O NAVI)]

SELF-DIAGNOSIS FUNCTION

4.

Press temperature control switch as desired. Temperature will change at a rate of 1

°

C each time a switch

is pressed.

When battery cable is disconnected or battery voltage is 9.0V or less, trimmer operation is cancelled. Set
temperature returns to the initial condition, i.e. 0

°

C.

A/C System Self-Diagnosis Code Chart

INFOID:0000000001547403

SYMPTOM TABLE

AWIIA0288GB

Symptom

Reference Page

A/C system does not come on.

Go to Trouble Diagnosis Procedure for A/C System.

HAC-163

Air outlet does not change.

Go to Trouble Diagnosis Procedure for Mode Door Motor.

HAC-109

Mode door motor does not operate normally.

Discharge air temperature does not change.

Go to Trouble Diagnosis Procedure for Air Mix Door Motor.

HAC-112

Air mix door motor does not operate normally.

Intake door does not change.

Go to Trouble Diagnosis Procedure for Intake Door Motor.

HAC-116

Intake door motor does not operate normally.

Blower motor operation is malfunctioning.

Go to Trouble Diagnosis Procedure for Blower Motor.

HAC-120

Magnet clutch does not engage.

Go to Trouble Diagnosis Procedure for Magnet Clutch.

HAC-125

Insufficient cooling

Go to Trouble Diagnosis Procedure for Insufficient Cooling.

HAC-185

Insufficient heating

Go to Trouble Diagnosis Procedure for Insufficient Heating.

HAC-193

SELF-DIAGNOSIS FUNCTION

HAC-105

< FUNCTION DIAGNOSIS >

[AUTO AIR CONDITIONER (W/O NAVI)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Noise

Go to Trouble Diagnosis Procedure for Noise.

HAC-195

Self-diagnosis cannot be performed.

Go to Trouble Diagnosis Procedure for Self-diagnosis.

HAC-311

Memory function does not operate.

Go to Trouble Diagnosis Procedure for Memory Function.

HAC-198

Symptom

Reference Page

HAC-106

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/O NAVI)]

MODE DOOR MOTOR

COMPONENT DIAGNOSIS

MODE DOOR MOTOR

System Description

INFOID:0000000001547404

SYSTEM DESCRIPTION

Component Parts

Mode door control system components are:

• Front air control
• Mode door motor
• In-vehicle sensor
• Ambient sensor
• Sunload sensor

System Operation

The front air control receives data from each of the sensors. When a drive signal is input from front air control
to door motor, a step motor built into the door motor rotates according to the drive signal, and then stops at the
position of target door.
Mode door changes to manual select mode by pressing MODE/DEF switch of the controller. That allows mode
door to be fixed.
Pressing AUTO switch allows automatic control by front air control, and mode door is fixed in the FOOT posi-
tion by pressing OFF switch.
During automatic operation of mode door, mode door position (VENT, B/L, FOOT) is selected according to the
temperature of discharge air calculated by front air control based on the target opening angle of air mix door
and the amount of sunload. And only when ambient temperature is extremely low with the mode door in the
FOOT position, D/F is selected and prevents windshield fogging.

AWIIA0290GB

MODE DOOR MOTOR

HAC-107

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/O NAVI)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Drive System of Step Motor Type Door Motor

• Motor is actuated in sequence by energizing four drive coils. 
• Rotation direction can be changed by changing pattern of excitation.

Mode Door Control Specification

COMPONENT DESCRIPTION

Mode Door Motor

The mode door motor is attached to the A/C unit assembly. It rotates
so that air is discharged from the outlet set by the front air control.
Motor rotation is conveyed to a link which activates the mode door.

Mode Door Motor Component Function Check

INFOID:0000000001569468

INSPECTION FLOW

1.

CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - DISCHARGE AIR

1.

Press the MODE switch and DEF (

) switch.

2.

Each position indicator should change shape.

3.

Confirm that discharge air comes out according to the air distribution table. Refer to 

HAC-94, "Discharge

Air Flow"

.

NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and intake door position is at
FRESH (

) when DEF (

) is selected.

Can a symptom be duplicated?

SJIA0971E

AWIIA0291GB

SJIA0812E

 

 

 

 

 

 

 

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