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
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A
B
HAC
N
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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
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