Nissan Tiida C11. Instruction — 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
.
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
.
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-
.
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-
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
.
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-
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
.
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
.
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
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