Nissan Tiida C11. Manual - part 911

HAC-308

< SYMPTOM DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

INSUFFICIENT HEATING

8.

CHECK ENGINE COOLANT SYSTEM 

Check engine control temperature sensor. Refer to 

XX-XX, "*****"

 HR16DE WITH EURO-OBD or 

XX-XX,

"*****"

 HR16DE WITHOUT EURO-OBD or 

EC-808, "Component Inspection"

 MRDE or 

EC-1133, "Component

Inspection"

 K9K.

Is the inspection result normal?

YES

>> System OK.

NO

>> Repair or replace as necessary. Retest.

9.

CHECK HEATER HOSES 

Check heater hoses for proper installation.

Is the inspection result normal?

YES

>> System OK.

NO

>> 1.

Back flush heater core. 

2.

Drain the water from the system.   

3.

Refill system with new engine coolant. Refer to 

CO-11, "Changing Engine Coolant"

 HR16DE

CO-35, "Changing Engine Coolant"

 HR18DE or 

CO-58, "Inspection"

 K9K. 

4.

GO TO 10 to retest. 

10.

CHECK HEATER HOSE TEMPERATURES

1.

Start engine and warm it up to normal operating temperature.

2.

Touch both the inlet and outlet heater hoses.

Is the inspection result normal?

YES

>> System OK.

NO

>> Replace heater core. Refer to XXXX.

NOISE

HAC-309

< SYMPTOM DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

C

D

E

F

G

H

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A

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HAC

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NOISE

Component Function Check

INFOID:0000000001547380

SYMPTOM: Noise

INSPECTION FLOW

WJIA1972E

HAC-310

< SYMPTOM DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

NOISE

*1

HA-32, "Removal and Installation of 
Compressor - MR18DE"

 or 

HA-34, 

"Removal and Installation of Com-
pressor - HR16DE"

 or 

HA-35, "Re-

moval and Installation of Compressor 
- K9K"

*2

HA-32, "Removal and Installation of 
Compressor - MR18DE"

 or 

HA-34, 

"Removal and Installation of Com-
pressor - HR16DE"

 or 

HA-35, "Re-

moval and Installation of Compressor 
- K9K"

*3

HA-19, "Maintenance of Oil Quantity 
in Compressor"

*4

HAC-202, "Operational Check"

5.

EM-15, "Checking"

 (HR16DE) or 

EM-

142, "Checking Drive Belts"

 

(HR18DE) or 

EM-263, "Inspection 

and Adjustment"

 (K9K)

SELF-DIAGNOSIS CANNOT BE PERFORMED

HAC-311

< SYMPTOM DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

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D

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F

G

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B

HAC

N

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SELF-DIAGNOSIS CANNOT BE PERFORMED

Self-Diagnosis

INFOID:0000000001679728

SYMPTOM: Self-diagnosis cannot be performed.

INSPECTION FLOW

1.

CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - AUTO MODE

1.

Press the AUTO switch.

2.

Display should indicate AUTO. Discharge air and blower speed will depend on ambient, in-vehicle and set
temperatures.

Can a symptom be duplicated?

YES

>> GO TO 2.

NO

>> Perform a complete operational check. Refer to 

XX-XX, "*****"

.

2.

CHECK FOR SERVICE BULLETINS

Check for any service bulletins.

>> GO TO 3.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and ground circuit. Refer to 

XX-XX, "*****"

.

Is the inspection result normal?

YES

>> Cause cannot be confirmed by self-diagnosis.

NO

>> GO TO 4.

4.

CHECK AMBIENT SENSOR CIRCUIT

Check ambient sensor circuit. Refer to 

XX-XX, "*****"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace as necessary.

5.

CHECK IN-VEHICLE SENSOR CIRCUIT

Check in-vehicle sensor circuit. Refer to 

XX-XX, "*****"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace as necessary.

6.

CHECK INTAKE SENSOR CIRCUIT

Check intake sensor circuit. Refer to 

XX-XX, "*****"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace as necessary.

7.

CHECK AIR MIX DOOR MOTOR PBR CIRCUIT

Check air mix door motor PBR circuit. Refer to 

XX-XX, "*****"

.

Is the inspection result normal?

OK

>> Perform a complete operational check and check for other symptoms. Refer to 

XX-XX, "*****"

.

NG

>> Repair or replace as necessary.