Nissan Tiida C11. Manual — part 835
HAC-4
INTAKE DOOR MOTOR . . . . . . . . ..
System Description . . . . . . . . . . . .
Intake Door Motor Component Function Check .
Intake Door Motor Diagnosis Procedure . . . ...
BLOWER MOTOR CONTROL SYSTEM . .
System Description . . . . . . . . . . . .
Front Blower Motor Component Function Check ...
Front Blower Motor Diagnosis Procedure . . . ..
Front Blower Motor Component Inspection . . ...
MAGNET CLUTCH . . . . . . . . . . ..
System Description . . . . . . . . . . . .
Magnet Clutch Component Function Check . . ..
Magnet Clutch Diagnosis Procedure . . . . . .
AMBIENT SENSOR . . . . . . . . . . .
Component Description . . . . . . . . . . .
Ambient Sensor Diagnosis Procedure . . . . ...
Ambient Sensor Component Inspection . . . .
IN-VEHICLE SENSOR . . . . . . . . . .
Component Description . . . . . . . . . . .
In-Vehicle Sensor Diagnosis Procedure . . . .
In-Vehicle Sensor Component Inspection . . . .
SUNLOAD SENSOR . . . . . . . . . ...
Component Description . . . . . . . . . . .
Sunload Sensor Diagnosis Procedure . . . . ...
Sunload Sensor Component Inspection . . . .
INTAKE SENSOR . . . . . . . . . . .
System Description . . . . . . . . . . . .
Intake Sensor Diagnosis Procedure . . . . . ..
Intake Sensor Component Inspection . . . . ...
PTC HEATER CONTROL SYSTEM . . . .
PTC HEATER (300 WATT) . . . . . . . . . ..
PTC HEATER (300 WATT) : PTC Heater System
Description . . . . . . . . . . . . . . . .
PTC HEATER (300 WATT) : PTC Heater Compo-
nent Description . . . . . . . . . . . . . .
PTC HEATER (300 WATT) : PTC Heater (300
Watt) Diagnosis Procedure . . . . . . . . .
PTC HEATER (300 WATT) : PTC Heater (300
Watt) Component Inspection . . . . . . . . .
PTC HEATER (1500 WATT) . . . . . . . . .
PTC HEATER (1500 WATT) : System Description ..
PTC HEATER (1500 WATT) : Component De-
scription . . . . . . . . . . . . . . . . .
PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Diagnosis Procedure . . . . . . . . .
PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Component Inspection . . . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT
FOR CONTROLLER . . . . . . . . . . .
Component Description . . . . . . . . . .
A/C Auto Amp. Component Function Check . . .
A/C Auto Amp Power and Ground Diagnosis Pro-
cedure . . . . . . . . . . . . . . . . ...
ECU DIAGNOSIS . . . . . . . . . ..
AIR CONDITIONER CONTROL . . . . . ...
Front Air Control Terminals Reference Values . .
Wiring Diagram - Air Conditioner Control - . . ...
PTC HEATER CONTROL SYSTEM . . . . .
PTC HEATER (300 WATT) . . . . . . . . . .
PTC HEATER (300 WATT) : Wiring Diagram -
PTC Heater (300 Watt) - . . . . . . . . . ...
PTC HEATER (1500 WATT) . . . . . . . . ...
PTC HEATER (1500 WATT) : Wiring Diagram -
PTC Heater (1500 Watt) - . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . ...
AIR CONDITIONER CONTROL . . . . . ...
Symptom Matrix Chart . . . . . . . . . . .
INSUFFICIENT COOLING . . . . . . . .
Component Function Check . . . . . . . . .
Performance Test Diagnoses . . . . . . . ...
Performance Chart . . . . . . . . . . . .
Test Reading . . . . . . . . . . . . . . .
Trouble Diagnoses for Unusual Pressure . . . .
INSUFFICIENT HEATING . . . . . . . .
Component Function Check . . . . . . . . .
NOISE . . . . . . . . . . . . . . . ...
Component Function Check . . . . . . . . .
SELF-DIAGNOSIS CANNOT BE PER-
FORMED . . . . . . . . . . . . . . ...
Self-Diagnosis . . . . . . . . . . . . . ...
MEMORY FUNCTION DOES NOT OPERATE ..
Memory Function Check . . . . . . . . . ...
PRECAUTION . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . .
Precaution for Procedures Without Cowl Top Cov-
er . . . . . . . . . . . . . . . . . . ...
Working with HFC-134a (R-134a) . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW
HAC-5
< BASIC INSPECTION >
[MANUAL AIR CONDITIONER]
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
How to Perform Trouble Diagnosis For Quick and Accurate Repair
INFOID:0000000001203051
DETAILED FLOW
1.
LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions and environment when the symp-
tom occurs.
>> GO TO 2
2.
VERIFY THE SYMPTOM WITH OPERATIONAL CHECK
Verify the symptom with operational check. Refer to
.
>> GO TO 3
3.
GO TO APPROPRIATE TROUBLE DIAGNOSIS
Go to appropriate trouble diagnosis. Refer to XXXX SYMPTOM TABLE below.
>> GO TO 4
4.
REPAIR OR REPLACE
Repair or replace the specific parts.
>> GO TO 5
5.
FINAL CHECK
Final check.
Is the inspection result normal?
YES
>> CHECK OUT
NO
>> GO TO 3
HAC-6
< BASIC INSPECTION >
[MANUAL AIR CONDITIONER]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
Operational Check
INFOID:0000000001203052
The purpose of the operational check is to confirm that the system operates properly.
CHECKING BLOWER
1.
Turn blower control dial clockwise to "1" position. Blower should operate on low speed.
2.
Turn blower control dial clockwise to "2" position, and continue checking blower speed until all speeds are
checked.
3.
Leave blower on Maximum speed.
If NG, go to trouble diagnosis procedure for xxx BLOWER MOTOR CIR
HAC-19, "Front Blower Motor Diagno-
If OK, continue the check.
CHECKING DISCHARGE AIR
1.
Turn mode door control dial to each position.
2.
Confirm that discharge air comes out according to the air distribution table. Refer to XXXX DISCHARGE
AIR FLOW.
If NG, go to trouble diagnosis procedure for
HAC-16, "Mode Door Diagnostic Procedure"
If OK, continue the check.
CHECKING RECIRCULATION
1.
Set intake door lever to REC
position.
2.
Operate intake door lever to FRE
position.
3.
Listen for intake door position change (you should hear blower sound change slightly).
If NG, go to trouble diagnosis procedure for XXXX INTAKE DOOR.
If OK, continue the check.
CHECKING TEMPERATURE DECREASE
1.
Turn temperature control dial counterclockwise to full cold position.
2.
Check for cold air at discharge air outlets.
If NG, go to trouble diagnosis procedure for XXXX INSUFFICIENT COOLING.
If OK, continue the check.
CHECKING TEMPERATURE INCREASE
1.
Turn temperature control dial clockwise to full hot position.
2.
Check for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for XXXX INSUFFICIENT HEATING.
If OK, continue the check.
CHECKING A/C SWITCH (IF EQUIPPED)
1.
Turn fan control dial to the desired (1 to 4 speed) position.
2.
Press A/C switch.
3.
A/C switch indicator will turn ON.
• Confirm that the compressor clutch engages (sound or visual inspection).
If NG, go to trouble diagnosis procedure for XXXX MAG CLUTCH CIR.
If OK, continue the check.
CHECKING DEFROST A/C SWITCH (IF EQUIPPED)
1.
Turn fan control dial to the desired (1 to 4 speed) position.
2.
Turn mode dial to (
) DEF.
3.
Confirm that the compressor clutch engages (sound or visual inspection).
Conditions
: Engine running at normal operating temperature
INSPECTION AND ADJUSTMENT
HAC-7
< BASIC INSPECTION >
[MANUAL AIR CONDITIONER]
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If NG, go to trouble diagnosis procedure for XXXX MAG CLUTCH CIR .
If all operational checks are OK (symptom cannot be duplicated), go to XXXX WORK FLOW and perform tests
as outlined. If symptom appears, refer to XXXX WORK FLOW and perform applicable trouble diagnosis pro-
cedures.
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