Nissan Tiida C11. Manual - part 889

HAC-220

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

MODE DOOR MOTOR

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:0000000001547327

INSPECTION FLOW

1.

CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - DISCHARGE AIR

1.

Turn mode control dial to each position.

2.

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

HAC-208, "Discharge

Air Flow"

.

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

 when DEF (

) or D/F (

) is selected.

Can a symptom be duplicated?

YES

>> GO TO 3.

SJIA0971E

AWIIA0291GB

SJIA0812E

MODE DOOR MOTOR

HAC-221

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

NO

>> GO TO 2.

2.

PERFORM COMPLETE OPERATIONAL CHECK

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

HAC-202, "Operational Check"

.

Can a symptom be duplicated?

YES

>> Refer to 

HAC-201, "How to Perform Trouble Diagnosis For Quick And Accurate Repair"

.

NO

>> System OK.

3.

CHECK FOR SERVICE BULLETINS

Check for any service bulletins.

>> GO TO 4.

4.

PERFORM SELF-DIAGNOSIS.

Set in Self-diagnostic mode. Refer to 

HAC-213, "Front Air Control Self-Diagnosis"

.

Are any self-diagnosis codes present?

YES

>> Repair as necessary.

NO

>> GO TO 5.

5.

 CHECK MODE DOOR OPERATION

Check and verify mode door mechanism for smooth operation in each mode.
YES or NO

YES

>> GO TO 6

NO

>> Repair as necessary.

6.

 CHECK AMBIENT SENSOR CIRCUIT

Perform diagnostic procedure for the ambient sensor. Refer to 

HAC-244, "Ambient Sensor Diagnosis Proce-

dure"

.

YES or NO

YES

>> GO TO 7

NO

>> Repair as necessary.

7.

 CHECK IN-VEHICLE SENSOR CIRCUIT

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

HAC-247, "In-Vehicle Sensor Diagno-

sis Procedure"

.

YES or NO

YES

>> GO TO 8

NO

>> Repair as necessary.

8.

 CHECK SUNLOAD SENSOR CIRCUIT

Perform diagnostic procedure for the sunload sensor circuit. Refer to 

HAC-250, "Sunload Sensor Diagnosis

Procedure"

 .

YES or NO

YES

>> GO TO 9

NO

>> Repair as necessary.

9.

 CHECK INTAKE SENSOR CIRCUIT

Perform diagnostic procedure for the intake sensor circuit. Refer to 

HAC-253, "Intake Sensor Diagnosis Pro-

cedure"

.

YES or NO

YES

>> GO TO 10

NO

>> Repair as necessary.

10.

 CHECK AIR MIX DOOR MOTOR PBR CIRCUIT

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

HAC-226, "Air Mix Door Motor Diagnosis

Procedure"

.

YES or NO

HAC-222

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

MODE DOOR MOTOR

YES

>> GO TO 11

NO

>> Repair as necessary.

11.

 RECHECK FOR SYMPTOMS 

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

HAC-202, "Operational Check"

.

Does another symptom exist?

YES

>> Repair as necessary.

NO

>> Replace front air control . Refer to XXXX.

Mode Door Motor Diagnosis Procedure

INFOID:0000000001547328

SYMPTOM:

• Air outlet does not change.
• Mode door motor does not operate normally.

DIAGNOSTIC PROCEDURE FOR MODE DOOR MOTOR

1.

CHECK MODE DOOR MOTOR

1.

Turn ignition switch OFF.

2.

Disconnect mode door motor harness connector.

3.

Check continuity between mode door motor terminals.

OK or NG

OK

>> GO TO 2.

NG

>> Replace mode door motor.

2.

CHECK CIRCUIT CONTINUITY BETWEEN FRONT AIR CONTROL AND MODE DOOR MOTOR

1.

Disconnect front air control harness connector.

2.

Check continuity between front air control harness connector
M86 (A) terminals and mode door motor harness connector M87
(B) terminals.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3.

CHECK CIRCUIT CONTINUITY BETWEEN FRONT AIR CONTROL AND GROUND

Connector

Terminals

Continuity

Mode door motor: M72

2

1

Yes

3

4

6

SJIA0948E

A

B

Continuity

Connector

Terminal

Connector

Terminal

Front air con-

trol: M86

33

Mode door 

motor: M87

3

Yes

34

6

35

1

36

4

SJIA0949E

MODE DOOR MOTOR

HAC-223

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Check continuity between front air control harness connector and
ground.

OK or NG

OK

>> Replace front air control. Refer to XXXX

NG

>> Repair harness or connector.

Connector

Terminal

Ground

Continuity

Front air control: 

M86 

33

No

34

35

36

SJIA0950E