Nissan Tiida C11. Manual - part 862

HAC-112

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/O NAVI)]

AIR MIX DOOR MOTOR

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair as necessary.

6.

 CHECK IN-VEHICLE SENSOR CIRCUIT

Perform diagnostic procedure for the in-vehicle sensor circuit. Refer to 

HAC-133, "In-Vehicle Sensor Diagno-

sis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair as necessary.

7.

 CHECK SUNLOAD SENSOR CIRCUIT

Perform diagnostic procedure for the sunload sensor circuit. Refer to 

HAC-136, "Sunload Sensor Diagnosis

Procedure"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair as necessary.

8.

 CHECK INTAKE SENSOR CIRCUIT

Perform diagnostic procedure for the intake sensor circuit. Refer to 

HAC-139, "Intake Sensor Diagnosis Pro-

cedure"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair as necessary.

9.

 CHECK AIR MIX DOOR MOTOR PBR CIRCUIT

Perform diagnostic procedure for the air mix door motor PBR circuit. Refer to 

HAC-112, "Air Mix Door Motor

Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 10

NO

>> Repair as necessary.

10.

 RECHECK FOR SYMPTOMS 

Perform a complete operational check and check for any symptoms. Refer to 

HAC-87, "Operational Check"

.

Does another symptom exist?

YES

>> Repair as necessary.

NO

>> Replace front air control. Refer to XX.

Air Mix Door Motor Diagnosis Procedure

INFOID:0000000001547409

SYMPTOM:

• Discharge air temperature does not change.
• Air mix door motor does not operate.

DIAGNOSTIC PROCEDURE FOR AIR MIX DOOR MOTOR

1.

CHECK AIR MIX DOOR MOTOR 

AIR MIX DOOR MOTOR

HAC-113

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/O NAVI)]

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1.

Turn ignition switch OFF.

2.

Disconnect air mix door motor connector M88.

3.

Check continuity between air mix door motor terminals 2 and 1,
3, 4, 6.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace air mix door motor. Refer to XX.

2.

CHECK CIRCUIT CONTINUITY BETWEEN FRONT AIR CONTROL AND AIR MIX DOOR MOTOR

1.

Disconnect front air control connector M51.

2.

Check continuity between front air control harness connector
M51 (A) terminal 19, 20, 21, 22 and air mix door motor harness
connector M88 (B) terminal 3, 6, 1, 4.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK CIRCUIT CONTINUITY BETWEEN FRONT AIR CONTROL AND GROUND 

Check continuity between front air control harness connector M51
terminal 19, 20, 21, 22 and ground.

Is the inspection result normal?

YES

>> Replace front air control. Refer to XX.

NO

>> Repair harness or connector.

Terminals

Continuity

2

1

Yes

3

4

6

SJIA0948E

A

B

Continuity

Connector

Terminal

Connector

Terminal

Front air con-

trol: M51

19

Air mix door 

motor: M88

3

Yes

20

6

21

1

22

4

SJIA0960E

Connector

Terminal

Ground

Continuity

Front air control: 

M51 

19

No

20

21

22

SJIA0961E

HAC-114

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/O NAVI)]

INTAKE DOOR MOTOR

INTAKE DOOR MOTOR

System Description

INFOID:0000000001547411

SYSTEM DESCRIPTION

Component Parts

Intake door control system components are:

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

System Operation

Suction opening is basically fixed in the position FRESH when DEF switch, FRE switch, or OFF switch (only at
the time of REC switch OFF) is pressed or when A/C switch is OFF. It is fixed in the position RECIRCULATION
when REC switch is pressed. It is automatically controlled at all other times.
During automatic control of suction opening, any of FRESH, 20% FRESH and RECIRCULATION is selected
according to the target opening angle of air mix door calculated by front air control based on the in-vehicle
temperature, ambient temperature and the amount of sunload.

Intake Door Control Specification

COMPONENT DESCRIPTION

Intake Door Motor

AWIIA0294GB

AWIIA0295GB

INTAKE DOOR MOTOR

HAC-115

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The intake door motor is attached to the A/C unit assembly. It rotates
so that air is drawn from inlets set by the front air control Motor rota-
tion is conveyed to a lever which activates the intake door.

Intake Door Motor Component Function Check

INFOID:0000000001569474

INSPECTION FLOW

1.

CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - INTAKE DOOR

1.

Press REC (

) switch one time. The recirculation indicator should illuminate.

2.

Press FRE (

) switch one time. The fresh indicator should illuminate.

3.

Listen for intake door position change (you should hear blower sound change slightly).

Can a symptom be duplicated?

YES

>> GO TO 2.

NO

>> Perform a complete operational check. Refer to 

HAC-87, "Operational Check"

.

2.

CHECK FOR SERVICE BULLETINS

Check for any service bulletins.

>> GO TO 3.

3.

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 4.

4.

 CHECK AMBIENT SENSOR CIRCUIT

Perform diagnostic procedure for the ambient sensor circuit. Refer to 

HAC-130, "Ambient Sensor Diagnosis

Procedure"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair as necessary.

5.

 CHECK IN-VEHICLE SENSOR CIRCUIT

Perform diagnostic procedure for the in-vehicle sensor circuit. Refer to 

HAC-133, "In-Vehicle Sensor Diagno-

sis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair as necessary.

6.

 CHECK SUNLOAD SENSOR CIRCUIT

Perform diagnostic procedure for the sunload sensor circuit. Refer to 

HAC-136, "Sunload Sensor Diagnosis

Procedure"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair as necessary.

7.

 CHECK INTAKE SENSOR CIRCUIT

SJIA0814E