Nissan Tiida C11. Manual — part 891
HAC-228
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
INTAKE DOOR MOTOR
INTAKE DOOR MOTOR
System Description
INFOID:0000000001547333
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
The intake door control determines intake door position based on the ambient temperature, the intake air tem-
perature and the in-vehicle temperature. When the DEF, or OFF switches are pushed, the front air control sets
the intake door at the FRESH position.
Intake Door Control Specification
COMPONENT DESCRIPTION
Intake Door Motor
AWIIA0340GB
AWIIA0338ZZ
INTAKE DOOR MOTOR
HAC-229
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
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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:0000000001547334
INSPECTION FLOW
1.
CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - REC (
)
1.
Turn mode control dial to vent mode(
).
2.
Press REC (
) switch. The REC (
)indicator should illuminate.
3.
Press REC (
) switch again. The REC (
) indicator should go out.
4.
Listen for intake door position change (you should hear blower sound change slightly).
Can a symptom be duplicated?
YES
>> GO TO 3.
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 AMBIENT SENSOR CIRCUIT
Perform diagnostic procedure for the ambient sensor circuit. Refer to
HAC-244, "Ambient Sensor Diagnosis
.
YES or NO
YES
>> GO TO 7
NO
>> Repair as necessary.
6.
CHECK IN-VEHICLE SENSOR CIRCUIT
Perform diagnostic procedure for the in-vehicle sensor circuit. Refer to XXXX IN-VEHICLE SENS DIAG.
YES or NO
YES
>> GO TO 8
NO
>> Repair as necessary.
7.
CHECK SUNLOAD SENSOR CIRCUIT
SJIA0814E
HAC-230
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
INTAKE DOOR MOTOR
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.
8.
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.
9.
CHECK AIR MIX DOOR MOTOR PBR CIRCUIT
Perform diagnostic procedure for the air mix door motor PBR circuit. Refer to
YES or NO
YES
>> GO TO 11
NO
>> Repair as necessary.
10.
RECHECK FOR SYMPTOMS
Perform a complete operational check and check for any symptoms. Refer to XXXX.
Does another symptom exist?
YES
>> Repair as necessary.
NO
>> Replace front air control. Refer to XXXX.
Intake Door Motor Diagnosis Procedure
INFOID:0000000001547335
SYMPTOM:
• Intake door does not change.
• Intake door motor does not operate normally.
DIAGNOSTIC PROCEDURE FOR INTAKE DOOR MOTOR
1.
CHECK POWER SUPPLY FOR INTAKE DOOR MOTOR
1.
Turn ignition switch ON.
2.
Check voltage between intake door motor harness connector.
OK or NG
OK
>> Replace intake door motor.
NG
>> GO TO 2.
2.
CHECK CIRCUIT CONTINUITY BETWEEN FRONT AIR CONTROL AND INTAKE DOOR MOTOR
Terminals
Condition
Voltage
(Approx.)
Connector
Terminal
(+)
(
−
)
Intake door motor: M89
5 6
FRE
→
REC
12V
6 5
REC
→
FRE
SJIA0957E
INTAKE DOOR MOTOR
HAC-231
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
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1.
Turn ignition switch OFF.
2.
Disconnect front air control harness connector.
3.
Disconnect intake door motor harness connector.
4.
Check continuity between front air control harness connector (A)
and intake door motor harness connector (B).
OK or NG
OK
>> Replace front air control. Refer to XXXX
NG
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
Front air control:
M85
31
Intake door motor:
M68
5
Yes
32
6
SJIA0959E
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