Page 3625 of 5883
HAC-292
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
PTC HEATER CONTROL SYSTEM
ALIIA0169GB
Page 3626 of 5883
PTC HEATER CONTROL SYSTEM
HAC-293
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
PTC HEATER (1500 WATT)
ALIIA0170GB
Page 3627 of 5883
HAC-294
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
PTC HEATER CONTROL SYSTEM
PTC HEATER (1500 WATT) : Wiring Diagram - PTC Heater (1500 Watt) -
INFOID:0000000001683835
ALIWA0042GB
Page 3628 of 5883
PTC HEATER CONTROL SYSTEM
HAC-295
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
ALIIA0141GB
Page 3629 of 5883
HAC-296
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
PTC HEATER CONTROL SYSTEM
ALIIA0142GB
Page 3630 of 5883
PTC HEATER CONTROL SYSTEM
HAC-297
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
ALIIA0143GB
Page 3631 of 5883
![NISSAN TIIDA 2007 Service Repair Manual HAC-298
< SYMPTOM DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
AIR CONDITIONER CONTROL
SYMPTOM DIAGNOSIS
AIR CONDITIONER CONTROL
Symptom Matrix ChartINFOID:0000000001547373
SYMPTOM TABLE
Symptom Referen NISSAN TIIDA 2007 Service Repair Manual HAC-298
< SYMPTOM DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
AIR CONDITIONER CONTROL
SYMPTOM DIAGNOSIS
AIR CONDITIONER CONTROL
Symptom Matrix ChartINFOID:0000000001547373
SYMPTOM TABLE
Symptom Referen](/manual-img/5/57395/w960_57395-3630.png)
HAC-298
< SYMPTOM DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
AIR CONDITIONER CONTROL
SYMPTOM DIAGNOSIS
AIR CONDITIONER CONTROL
Symptom Matrix ChartINFOID:0000000001547373
SYMPTOM TABLE
Symptom Reference Page
A/C system does not come on. Go to Trouble Diagnosis Procedure for A/C System.HAC-278
Air outlet does not change.
Go to Trouble Diagnosis Procedure for Mode Door Motor.HAC-222
Mode door motor does not operate normally.
Discharge air temperature does not change.
Go to Trouble Diagnosis Procedure for Air Mix Door Motor.HAC-226
Air mix door motor does not operate normally.
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door Motor.HAC-230
Intake door motor does not operate normally.
Blower motor operation is malfunctioning.
Go to Trouble Diagnosis Procedure for Blower Motor.HAC-234
Blower motor operation is malfunctioning un-
der out of starting fan speed control.
Magnet clutch does not engage. Go to Trouble Diagnosis Procedure for Magnet Clutch.HAC-239
Insufficient cooling Go to Trouble Diagnosis Procedure for Insufficient Cooling.HAC-299
Insufficient heating Go to Trouble Diagnosis Procedure for Insufficient Heating.HAC-307
Noise Go to Trouble Diagnosis Procedure for Noise.HAC-309
Self-diagnosis cannot be performed. Go to Trouble Diagnosis Procedure for Self-diagnosis.HAC-311
Memory function does not operate. Go to Trouble Diagnosis Procedure for Memory Function.HAC-312
Page 3632 of 5883
![NISSAN TIIDA 2007 Service Repair Manual INSUFFICIENT COOLING
HAC-299
< SYMPTOM DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
INSUFFICIENT COOLING
Component Function CheckINFOID:0000000001547374
SYMPTOM: Insuffi NISSAN TIIDA 2007 Service Repair Manual INSUFFICIENT COOLING
HAC-299
< SYMPTOM DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
INSUFFICIENT COOLING
Component Function CheckINFOID:0000000001547374
SYMPTOM: Insuffi](/manual-img/5/57395/w960_57395-3631.png)
INSUFFICIENT COOLING
HAC-299
< SYMPTOM DIAGNOSIS >[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
INSUFFICIENT COOLING
Component Function CheckINFOID:0000000001547374
SYMPTOM: Insufficient cooling
INSPECTION FLOW
1.CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE DECREASE
1. Press the AUTO switch.
2. Turn temperature control dial counterclockwise until 18° C (60° F) is displayed.
3. Check for cold air at discharge air outlets.
Can the symptom be duplicated?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK FOR ANY SYMPTOMS
Perform a complete operational check for any symptoms. Refer to HAC-202, "
Operational Check".
Does another symptom exist?
YES >> Refer to HAC-298, "SymptomMatrixChart".
NO >> System OK.
3.CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
>> GO TO 3.
4.PERFORM SELF-DIAGNOSIS
Perform self-diagnosis Refer to HAC-213, "
Front Air Control Self-Diagnosis".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Refer to HAC-218, "
Front Air Control Self-Diagnosis Code Chart".
5.CHECK DRIVE BELTS
Check compressor belt tension. Refer to EM-15, "
Checking" HR16DE EM-142, "Checking Drive Belts" or
HR18DE or EM-263, "
Inspection and Adjustment" K9K.
Is the inspection result normal?
OK >> GO TO 6.
NG >> Adjust or replace compressor belt. Refer to XX-XX, "*****"
.
6.CHECK AIR MIX DOOR OPERATION
Check and verify air mix door mechanism for smooth operation. Refer to HAC-225, "
Air Mix Door Motor Com-
ponent Function Check"
Does air mix door operate correctly?
YES >> GO TO 7.
NO >> Check air mix door motor circuit. Refer to HAC-226, "
Air Mix Door Motor Diagnosis Procedure".
7.CHECK COOLING FAN MOTOR OPERATION
Check and verify cooling fan motor for smooth operation.
Does cooling fan motor operate correctly?
YES >> GO TO 8.
NO >> Check cooling fan motor. Refer to CO-18, "
Component (Models with A/C)".
8.CHECK RECOVERY/RECYCLING EQUIPMENT BEFORE USAGE
Check recovery/recycling equipment before connecting to vehicle. Verify there is no pressure in the recovery/
recycling equipment by checking the gauges. If pressure exists, recover refrigerant from equipment lines.