Nissan Tiida C11. Instruction — part 843
HAC-36
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
PTC HEATER CONTROL SYSTEM
NO
>> GO TO 4.
4.
CHECK CIRCUIT CONTINUITY BETWEEN PTC RELAY-1 AND PTC CONTROL UNIT
1.
Turn ignition switch OFF.
2.
Disconnect PTC control unit connector.
3.
Check continuity between PTC control unit harness connector
M84 (A) terminal 2 and PTC relay-1 harness connector E61 (B)
terminal 1.
Is the inspection result normal
YES
>> GO TO 5.
NO
>> GO TO 7.
5.
CHECK CIRCUIT CONTINUITY BETWEEN PTC RELAY-1 AND PTC HEATER
1.
Disconnect PTC heater connector.
2.
Check continuity between PTC relay-1 harness connector E61
(A) terminal 5 and PTC heater harness connector M66 (B) termi-
nal 1.
Is the inspection result normal
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK PTC HEATER GROUND CIRCUIT
Check continuity between PTC heater harness connector M66 termi-
nal 2 and ground.
Is the inspection result normal
YES
>> Replace PTC heater. Refer to XX.
NO
>> Repair harness or connector.
7.
CHECK POWER SUPPLY VOLTAGE FOR PTC CONTROL UNIT
1.
Turn ignition switch ON.
2.
Check voltage between PTC control unit harness connector
M84 terminal 1 and ground.
Is the inspection result normal
YES
>> GO TO 8.
A
B
Continuity
Connector
Terminal
Connector
Terminal
PTC control unit: M84
2
PTC relay-1:
E61
1
Yes
AWIIA0456ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
PTC relay-1:
E61
5
PTC heater: M66
1
Yes
SJIA0915E
Connector
Terminal
Ground
Continuity
PTC heater:
M66
2
Yes
SJIA0916E
Terminals
Voltage
(Approx.)
(+)
(
−
)
Connector
Terminal
Ground
Battery voltage
PTC control unit: M84
1
SJIA0911E
PTC HEATER CONTROL SYSTEM
HAC-37
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
NO
>> Repair harness or connector.
8.
CHECK GROUND CIRCUIT FOR PTC CONTROL UNIT
1.
Turn ignition switch OFF.
2.
Check continuity between PTC control unit harness connector
M84 terminal 7 and ground.
Is the inspection result normal
YES
>> GO TO 9.
NO
>> Repair harness or connector.
9.
CHECK FULL HOT CIRCUIT BETWEEN PTC CONTROL UNIT AND GROUND
1.
Reconnect PTC control unit and PTC relay-1 connector.
2.
Turn ignition switch ON.
3.
Check voltage between full hot switch harness connector M65
terminal 1 and ground.
Is the inspection result normal
YES
>> GO TO 12.
NO
>> GO TO 10.
10.
CHECK CIRCUIT CONTINUITY BETWEEN FULL HOT SWITCH AND PTC CONTROL UNIT
1.
Turn ignition switch OFF.
2.
Disconnect full hot switch and PTC control unit connector.
3.
Check continuity between full hot switch harness connector M65
(A) terminal 1, 2 and PTC control unit harness connector M84
(B) terminal 3, 8.
4.
Check continuity between full hot switch harness connector M65 (A) terminal 1, 2 and ground.
Is the inspection result normal
YES
>> GO TO 11.
NO
>> Repair harness or connector.
11.
CHECK FULL HOT SWITCH
Connector
Terminal
Ground
Continuity
PTC control unit: M84
7
Yes
SJIA0912E
Terminals
Condition
Voltage
(Approx.)
(+)
(
−
)
Connector
Terminal
Ground
PTC control
unit: M65
1
Temperature control dial:
Full hot position.
0V
Temperature control dial:
Except full hot position.
5V
AWIIA0457ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
Full hot switch:
M65
1
PTC control unit:
M84
3
Yes
2
8
(+)
(-)
Continuity
Connector
Terminal
Ground
Yes
Full hot switch: M65
1
2
AWIIA0458ZZ
HAC-38
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
PTC HEATER CONTROL SYSTEM
Check full hot switch. Refer to
HAC-41, "PTC HEATER (300 WATT) : PTC Heater (300 Watt) Component
.
Is the inspection result normal
YES
>> Replace the PTC control unit. Refer to XX.
NO
>> Replace full hot switch. Refer to XX.
12.
CHECK VOLTAGE BETWEEN WATER TEMPERATURE SENSOR AND GROUND
Check voltage between water temperature sensor harness connec-
tor M64 terminal 1 and ground.
Is the inspection result normal
YES
>> GO TO 14.
NO
>> GO TO 13.
13.
CHECK CIRCUIT CONTINUITY BETWEEN WATER TEMPERATURE SENSOR AND PTC CONTROL
UNIT
1.
Turn ignition switch OFF.
2.
Disconnect PTC control unit.
3.
Check continuity between water temperature sensor harness
connector M64 (A) terminal 1 and PTC control unit harness con-
nector M84 (B) terminal 9.
4.
Check continuity between water temperature sensor harness
connector M64 (A) terminal 1 and ground.
Is the inspection result normal
YES
>> Replace PTC control unit. Refer to XX.
NO
>> Repair harness or connector.
14.
CHECK WATER TEMPERATURE SENSOR
HAC-41, "PTC HEATER (300 WATT) : PTC Heater (300 Watt) Component Inspection"
.
Is the inspection result normal
YES
>> GO TO 15.
NO
>> Replace water temperature sensor. Refer to XX.
15.
CHECK CIRCUIT CONTINUITY BETWEEN WATER TEMPERATURE SENSOR AND PTC CONTROL
UNIT
Terminals
Voltage
(Approx.)
(+)
(
−
)
Connector
Terminal
Ground
5V
Water temperature sensor:
M64
1
SJIA0920E
A
B
Continuity
Connector
Terminal
Connector
Terminal
Water temperature
sensor: M64
1
PTC control
unit: M84
9
Yes
A
Continuity
Connector
Terminal
Water temperature sensor: M64
1
Ground
No
SJIA0921E
PTC HEATER CONTROL SYSTEM
HAC-39
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Check continuity between water temperature sensor harness con-
nector M64 (A) terminal 2 and PTC control unit harness connector
M84 (B) terminal 8.
Is the inspection result normal
YES
>> GO TO 16.
NO
>> Repair harness or connector.
16.
CHECK VOLTAGE BETWEEN AMBIENT TEMPERATURE SENSOR AND GROUND
1.
Reconnect PTC control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between ambient temperature sensor harness
connector M60 terminal 4 and ground.
Is the inspection result normal
YES
>> GO TO 18.
NO
>> GO TO 17.
17.
CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT TEMPERATURE SENSOR AND PTC CONTROL
UNIT
1.
Turn ignition switch OFF.
2.
Check continuity between ambient temperature sensor harness
connector M60 (A) terminal 4 and PTC control unit harness con-
nector M84 (B) terminal 10.
3.
Check continuity between ambient temperature sensor harness
connector E60 (A) terminal 4 and ground.
Is the inspection result normal
YES
>> Replace PTC control unit. Refer to XXXX.
NO
>> Repair harness or connector.
18.
CHECK AMBIENT TEMPERATURE SENSOR
HAC-245, "Ambient Sensor Component Inspection"
Is the inspection result normal
YES
>> GO TO 19.
NO
>> Replace ambient temperature sensor. Refer to XX.
A
B
Continuity
Connector
Terminal
Connector
Terminal
Water temperature
sensor: M64
2
PTC control unit:
M84
8
Yes
SJIA0923E
Terminals
Voltage
(Approx.)
(+)
(
−
)
Connector
Terminal
Ground
Ambient temperature sen-
sor: M60
4
5V
AWIIA0462ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
Ambient temperature
sensor: E60
4
PTC control
unit: M84
10
Yes
A
Ground
Continuity
Connector
Terminal
Ambient temperature sensor: E60
4
No
AWIIA0463ZZ
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст