Nissan Tiida C11. Manual - part 902

HAC-272

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

PTC HEATER CONTROL SYSTEM

Check continuity between PTC relay-2 harness connector E62 termi-
nal 1 and ground.

Is the inspection result normal

YES

>> GO TO 12.

NO

>> GO TO 11.

11.

CHECK CIRCUIT CONTINUITY BETWEEN PTC RELAY-2 AND BCM

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector M19 (B) ter-
minal 52 and PTC relay-1 harness connector E62 (A) terminal 1.

Is the inspection result normal

YES

>> Replace BCM. Refer to XXXX.

NO

>> Repair harness or connector.

12.

CHECK PTC RELAY-3 GROUND CIRCUIT

Check continuity between PTC relay-3 harness connector E63 termi-
nal 1 and ground.

Is the inspection result normal

YES

>> GO TO 14.

NO

>> GO TO 13.

13.

CHECK CIRCUIT CONTINUITY BETWEEN PTC RELAY-3 AND BCM

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector M19 (B) ter-
minal 51 and PTC relay-3 harness connector E63 (A) terminal 1.

Is the inspection result normal

YES

>> GO TO 14.

NO

>> Repair harness or connector.

14.

CHECK VOLTAGE BETWEEN AMBIENT TEMPERATURE SENSOR AND GROUND

Connector

Terminal

Ground

Continuity

PTC relay-2: E62

1

Yes

AWIIA0455ZZ

A

B

Continuity

Connector

Terminal

Connector

Terminal

PTC relay-2: E62

1 

BCM: M19

52

Yes

AWIIA0468ZZ

Connector

Terminal

Ground

Continuity

PTC relay-3: E63

1

Yes

AWIIA0455ZZ

A

B

Continuity

Connector

Terminal

Connector

Terminal

PTC relay-3: E63

1

BCM: M19

51

Yes

AWIIA0469ZZ

PTC HEATER CONTROL SYSTEM

HAC-273

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

1.

Turn ignition switch OFF.

2.

Reconnect BCM connector.

3.

Disconnect ambient temperature sensor.

4.

Turn ignition switch ON.

5.

Check voltage between ambient temperature sensor harness
connector E60 terminal 4 and ground.

Is the inspection result normal

YES

>> GO TO 16.

NO

>> GO TO 15.

15.

CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT TEMPERATURE SENSOR AND BCM CONTROL

UNIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between ambient temperature sensor harness
connector E60 (A) terminal 4 and BCM harness connector M18
(B) terminal 36.

4.

Check continuity between ambient temperature sensor harness
connector E60 (A) terminal 4 and ground.

Is the inspection result normal

YES

>> Replace BCM. Refer to XXXX.

NO

>> Repair harness or connector.

16.

CHECK CONTINUITY OF AMBIENT TEMPERATURE SENSOR GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between ambient temperature sensor harness
connector E60 (A) terminal 3 and BCM harness connector M18
(B) terminal 35.

Is the inspection result normal?

YES

>> GO TO 17.

NO

>> Repair harness or connector.

17.

CHECK AMBIENT TEMPERATURE SENSOR

Terminals

Voltage

(Approx.)

(+)

(

−

)

Connector

Terminal

Ground

Ambient temperature sensor: 

E60

4

5V

AWIIA0462ZZ

A

B

Continuity

Connector

Terminal

Connector

Terminal

Ambient temperature 

sensor: E60

4

BCM:  M18

36

Yes

A

Ground

Continuity

Connector

Terminal

Ambient temperature sensor: E60

4

No

AWIIA0470ZZ

A

B

Continuity

Connector

Terminal

Connector

Terminal

Ambient temperature 

sensor: E64

3

BCM:  M18

35

Yes

AWIIA0471ZZ

HAC-274

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

PTC HEATER CONTROL SYSTEM

Refer to 

XX-XX, "*****"

.

Is the inspection result normal?

YES

>> GO TO 18.

NO

>> Replace ambient temperature sensor. Refer to XX.

18.

CHECK PTC HEATER RELAY-1 POWER SUPPLY CIRCUIT

1.

Disconnect PTC heater connector.

2.

Reconnect all PTC relays.

3.

Start the engine (1,000 RPM minimum).

4.

Check voltage between PTC heater harness connector E65 ter-
minal 3 and ground.

Is the inspection result normal?

YES

>> GO TO 19.

NO

>> Repair harness or connector.

19.

CHECK PTC HEATER RELAY-2 POWER SUPPLY CIRCUIT

Check voltage between PTC heater harness connector E65 terminal
2 and ground.

Is the inspection result normal

YES

>> GO TO 20.

NO

>> Repair harness or connector.

20.

CHECK PTC HEATER RELAY-3 POWER SUPPLY CIRCUIT

Check voltage between PTC heater harness connector E65 terminal
1 and ground.

Is the inspection result normal

YES

>> Replace PTC heater. Refer to XXXX.

NO

>> Repair harness or connector.

PTC HEATER (1500 WATT) : PTC Heater (1500 Watt) Component Inspection

INFOID:0000000001679708

COMPONENT INSPECTION

Blower Relay

Terminals

Voltage

(Approx.)

(+)

(

−

)

Connector

Terminal

Ground

PTC heater: E65

3

Battery voltage

AWIIA0472ZZ

Terminals

Voltage

(Approx.)

(+)

(

−

)

Connector

Terminal

Ground

PTC heater: E65

2

Battery voltage

AWIIA0474ZZ

Terminals

Voltage

(Approx.)

(+)

(

−

)

Connector

Terminal

Ground

PTC heater: E65

1

Battery voltage

AWIIA0476ZZ

PTC HEATER CONTROL SYSTEM

HAC-275

< COMPONENT DIAGNOSIS >

[AUTO AIR CONDITIONER (W/NAVI)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Check continuity between relay terminals 3 and 5.

If NG, replace the blower relay. Refer to XX.

PTC relay

Check continuity between terminal Nos. 3 and 5.

If NG, replace PTC relay. Refer to XX.

Ambient Sensor

After disconnecting ambient sensor connector E60, measure resis-
tance between terminals 3 and 4 at sensor side, using the table
below.

Condition

Continuity

12V direct current supply between terminals 1 and 2

Yes

OFF

No

SCIA1245E

Condition

Continuity

12V direct current supply between terminal Nos. 1 and 2

Yes

No current supply

No

SJIA0931E

Temperature 

°

C (

°

F)

Resistance k

Ω

−

15 (5)

12.73

−

10 (14)

9.92

−

5 (23)

7.80

0 (32)

6.19

5 (41)

4.95

10 (50)

3.99

15 (59)

3.24

20 (68)

2.65

25 (77)

2.19

30 (86)

1.81

35 (95)

1.51

40 (104)

1.27

45 (113)

1.07

AWIIA0601ZZ