2007 NISSAN TIIDA Service Repair Manual

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NISSAN TIIDA 2007 Service Repair Manual HAC-4
INTAKE DOOR MOTOR ..................................228
System Description ................................................228
Intake Door Motor Component Function Check ....229
Intake Door Mo

HAC-4
INTAKE DOOR MOTOR ..................................228
System Description ................................................228
Intake Door Motor Component Function Check ....229
Intake Door Motor Diagnosis Procedure ...............230
BLOWER MOTOR CONTROL SYSTEM ........232
System Description ................................................232
Front Blower Motor Component Function Check ...233
Front Blower Motor Diagnosis Procedure ..............234
Front Blower Motor Component Inspection ...........236
MAGNET CLUTCH ..........................................238
System Description ................................................238
Magnet Clutch Component Function Check ..........238
Magnet Clutch Diagnosis Procedure .....................239
AMBIENT SENSOR .........................................244
Component Description .........................................244
Ambient Sensor Diagnosis Procedure ...................244
Ambient Sensor Component Inspection ................245
IN-VEHICLE SENSOR .....................................247
Component Description .........................................247
In-Vehicle Sensor Diagnosis Procedure ................247
In-Vehicle Sensor Component Inspection .............249
SUNLOAD SENSOR .......................................250
Component Description .........................................250
Sunload Sensor Diagnosis Procedure ...................250
Sunload Sensor Component Inspection ................251
INTAKE SENSOR ............................................253
System Description ................................................253
Intake Sensor Diagnosis Procedure ......................253
Intake Sensor Component Inspection ...................254
PTC HEATER CONTROL SYSTEM ................256
PTC HEATER (300 WATT) ......................................256
PTC HEATER (300 WATT) : PTC Heater System
Description .............................................................
256
PTC HEATER (300 WATT) : PTC Heater Compo-
nent Description .....................................................
257
PTC HEATER (300 WATT) : PTC Heater (300
Watt) Diagnosis Procedure ....................................
258
PTC HEATER (300 WATT) : PTC Heater (300
Watt) Component Inspection .................................
265
PTC HEATER (1500 WATT) ....................................267
PTC HEATER (1500 WATT) : System Description ..267
PTC HEATER (1500 WATT) : Component De-
scription .................................................................
268
PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Diagnosis Procedure ....................................
269
PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Component Inspection .................................
274
POWER SUPPLY AND GROUND CIRCUIT
FOR CONTROLLER .........................................
277
Component Description ........................................277
A/C Auto Amp. Component Function Check .........277
A/C Auto Amp Power and Ground Diagnosis Pro-
cedure ...................................................................
278
ECU DIAGNOSIS ......................................279
AIR CONDITIONER CONTROL .......................279
Front Air Control Terminals Reference Values .....279
Wiring Diagram - Air Conditioner Control - ...........281
PTC HEATER CONTROL SYSTEM .................289
PTC HEATER (300 WATT) .....................................289
PTC HEATER (300 WATT) : Wiring Diagram -
PTC Heater (300 Watt) - .......................................
289
PTC HEATER (1500 WATT) ...................................293
PTC HEATER (1500 WATT) : Wiring Diagram -
PTC Heater (1500 Watt) - .....................................
294
SYMPTOM DIAGNOSIS ...........................298
AIR CONDITIONER CONTROL .......................298
Symptom Matrix Chart .........................................298
INSUFFICIENT COOLING ................................299
Component Function Check .................................299
Performance Test Diagnoses ...............................300
Performance Chart ................................................302
Test Reading .........................................................303
Trouble Diagnoses for Unusual Pressure .............303
INSUFFICIENT HEATING ................................307
Component Function Check .................................307
NOISE ...............................................................309
Component Function Check .................................309
SELF-DIAGNOSIS CANNOT BE PER-
FORMED ...........................................................
311
Self-Diagnosis .......................................................311
MEMORY FUNCTION DOES NOT OPERATE ..312
Memory Function Check .......................................312
PRECAUTION ...........................................313
PRECAUTIONS ................................................313
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................
313
Precaution for Procedures Without Cowl Top Cov-
er ...........................................................................
313
Working with HFC-134a (R-134a) .........................313
Precaution for Service Equipment ........................314

Page 3338 of 5883

NISSAN TIIDA 2007 Service Repair Manual 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 Qu

Page 3339 of 5883

NISSAN TIIDA 2007 Service Repair Manual HAC-6
< BASIC INSPECTION >[MANUAL AIR CONDITIONER]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
Operational CheckINFOID:0000000001203052
The purpose of the operational check is to confirm that

HAC-6
< BASIC INSPECTION >[MANUAL AIR CONDITIONER]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
Operational CheckINFOID: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-
sis Procedure".
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

Page 3340 of 5883

NISSAN TIIDA 2007 Service Repair Manual 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 chec

Page 3341 of 5883

NISSAN TIIDA 2007 Service Repair Manual HAC-8
< FUNCTION DIAGNOSIS >[MANUAL AIR CONDITIONER]
FUNCTION INFORMATION
FUNCTION DIAGNOSIS
FUNCTION INFORMATION
Component Part LocationINFOID:0000000001203053
ENGINE COMPARTMENT
PASSENGER COMPARTMEN

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NISSAN TIIDA 2007 Service Repair Manual FUNCTION INFORMATION
HAC-9
< FUNCTION DIAGNOSIS >[MANUAL AIR CONDITIONER]
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1. Front air control M33, M49 2. Fuse Block (J/B) 3. Blower relay J-1
4. Front blower motor r

Page 3343 of 5883

NISSAN TIIDA 2007 Service Repair Manual HAC-10
< FUNCTION DIAGNOSIS >[MANUAL AIR CONDITIONER]
REFRIGERATION SYSTEM
REFRIGERATION SYSTEM
Refrigerant CycleINFOID:0000000001547091
Refer to HA-16, "Refrigerant Cycle".
Refrigerant System Protect

Page 3344 of 5883

NISSAN TIIDA 2007 Service Repair Manual AIR CONDITIONER CONTROL
HAC-11
< FUNCTION DIAGNOSIS >[MANUAL AIR CONDITIONER]
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AIR CONDITIONER CONTROL
System DiagramINFOID:0000000001203055
System DescriptionINFOID:00

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