Nissan Tiida C11. Manual — part 841
HAC-28
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
MAGNET CLUTCH
1.
Turn ignition switch OFF.
2.
Disconnect front air control connector.
3.
While pressing the A/C switch, check continuity between front
air control terminals 1 and 8.
OK or NG
OK
>> GO TO 16.
NG
>> Replace front air control. Refer to XX.
16.
CHECK FRONT AIR CONTROL GROUND CIRCUIT
Check continuity between front air control harness connector M33
terminal 8 and ground.
OK or NG
OK
>> GO TO 17.
NG
>> Repair harness or connector.
17.
CHECK INTAKE SENSOR
HAC-31, "Intake Sensor Component Inspection"
.
OK or NG
OK
>> GO TO 18.
NG
>> Repair or replace as necessary.
18.
CHECK CAN COMMUNICATION
Check CAN communication. Refer to
LAN-22, "Trouble Diagnosis Flow Chart"
.
• BCM – ECM
• ECM – IPDM E/R
OK or NG
OK
>> Replace BCM. Refer to
BCS-57, "Removal and Installation of BCM"
.
NG
>> Repair or replace malfunctioning part(s).
19.
CHECK DEFROST A/C SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Press the defrost A/C switch.
NOTE:
The defrost A/C switch is located on back side of the front air
control.
4.
Check continuity between BCM harness connector M19 terminal
49 and ground.
OK or NG
OK
>> Replace BCM. Refer to
BCS-57, "Removal and Installation of BCM"
.
NG
>> GO TO 20.
20.
CHECK CIRCUIT CONTINUITY BETWEEN DEFROST A/C SWITCH AND BCM
1 - 8
:Continuity should exist
SJIA0756E
8 - Ground
:Continuity should exist
SJIA0758E
49 - Ground
:Continuity should exist
AWIIA0450ZZ
MAGNET CLUTCH
HAC-29
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
1.
Disconnect defrost A/C switch connector.
2.
Check continuity between BCM harness connector M19 (A) ter-
minal 49 and defrost A/C switch harness connector M49 (B) ter-
minal 15.
OK or NG
OK
>> GO TO 21.
NG
>> Repair harness or connector.
21.
CHECK CIRCUIT CONTINUITY BETWEEN DEFROST A/C SWITCH AND GROUND
Check continuity between A/C defrost switch harness connector
M49 terminal 16 and ground.
OK or NG
OK
>> Replace defrost A/C switch.
NG
>> Repair harness or connector.
49 - 15
:Continuity should exist
AWIIA0451ZZ
16 - Ground
:Continuity should exist
WJIA2255E
HAC-30
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
INTAKE SENSOR
INTAKE SENSOR
Component Inspection
INFOID:0000000001675415
COMPONENT DESCRIPTION
Intake Sensor
The intake sensor (1) is located on the A/C unit. It converts tempera-
ture of air after it passes through the evaporator (2) into a resistance
value which is then input to the BCM.
Intake Sensor Diagnosis Procedure
INFOID:0000000001675416
DIAGNOSTIC PROCEDURE FOR INTAKE SENSOR
SYMPTOM: Intake sensor circuit is open or shorted.
1.
CHECK VOLTAGE BETWEEN INTAKE SENSOR AND GROUND
1.
Turn ignition switch OFF.
2.
Disconnect intake sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between intake sensor harness connector M42
terminal 1 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 4.
2.
CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND BCM
ZJIA0798J
AWIIA0452GB
Terminals
Voltage
(Approx.)
(+)
(
−
)
Connector
Terminal
Ground
Intake sensor: M42
1
5V
SJIA0825E
INTAKE SENSOR
HAC-31
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between intake sensor harness connector M42
(A) terminal 2 and BCM harness connector M18 (B) terminal 35.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK INTAKE SENSOR
HAC-31, "Intake Sensor Component Inspection"
.
OK or NG
OK
>> Replace BCM. Refer to
BCS-57, "Removal and Installation of BCM"
.
NG
>> Replace intake sensor. Refer to XX.
4.
CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND BCM
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between intake sensor harness connector M42
(A) terminal 1 and BCM harness connector M19 (B) terminal 45.
4.
Check continuity between intake sensor harness connector M42
(A) terminal 1 and ground.
OK or NG
OK
>> Replace BCM. Refer to
BCS-57, "Removal and Installation of BCM"
.
NG
>> Repair harness or connector.
Intake Sensor Component Inspection
INFOID:0000000001675417
COMPONENT INSPECTION
Intake Sensor
A
B
Continuity
Connector
Terminal
Connector
Terminal
Intake sensor: M42
2
BCM: M18
35
Yes
AWIIA0453ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
Intake sensor: M42
1
BCM: M19
45
Yes
A
Ground
Continuity
Connector
Terminal
Intake sensor: M42
1
No
AWIIA0454ZZ
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