Nissan X-Trail 32. Manual — part 1434
MAGNET CLUTCH
HAC-211
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> Replace compressor. Refer to
HA-30, "Removal and Installation"
Russia) or
HA-76, "Removal and Installation"
(MR20DD engine models).
NO
>> Repair harness or connector.
Compressor
—
Continuity
Connector
Terminal
F17
2
Ground
Existed
HAC-212
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
ECV (ELECTRICAL CONTROL VALVE)
ECV (ELECTRICAL CONTROL VALVE)
Diagnosis Procedure
INFOID:0000000010939861
1.
CHECK ECV POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect compressor connector.
3.
Turn ignition switch ON.
4.
Check voltage between compressor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK ECV POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between compressor harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
NO
>> Repair harness or connector.
3.
CHECK ECV CONTROL SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between compressor harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK ECV
Check ECV. Refer to
HAC-212, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
NO
>> Replace compressor. Refer to
HA-30, "Removal and Installation"
(R9M engine models except for
HA-76, "Removal and Installation"
(MR20DD engine models).
Component Inspection
INFOID:0000000010939862
1.
CHECK ECV
Check continuity between compressor terminals.
+
−
Voltage
Compressor
Connector
Terminal
F59
3
Ground
6 - 16 V
Compressor
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F59
3
F72
71
Existed
Compressor
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F59
4
F74
98
Existed
ECV (ELECTRICAL CONTROL VALVE)
HAC-213
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace compressor. Refer to
HA-30, "Removal and Installation"
Russia) or
HA-76, "Removal and Installation"
(MR20DD engine models).
Terminal
Continuity
3
4
Existed
HAC-214
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
PTC HEATER
PTC HEATER
Component Function Check
INFOID:0000000010939863
1.
CHECK PTC HEATER OPERATION
1.
Start the engine.
2.
Operate blower motor.
3.
Operate temperature control dial to full hot position.
4.
Check for warm air at discharge air outlet.
NOTE:
• Engine must be cold.
• Battery must be charged.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
HAC-214, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010939864
1.
CHECK FUSE AND FUSIBLE LINK
1.
Turn ignition switch OFF.
2.
Check 30 A fuses (Nos. 42, 43 and 44) and 10 A fuse [No. 30, located in fuse block (J/B)].
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse is blown.
2.
CHECK PTC RELAY POWER SUPPLY
1.
Disconnect PTC relay connector.
2.
Turn ignition switch ON.
3.
Check voltage between PTC relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector between PTC relay and fuse.
3.
CHECK PTC RELAY CONTROL SIGNAL CIRCUIT FOR OPEN
1.
Disconnect BCM connector.
2.
Check continuity between PTC relay harness connector and BCM harness connector.
Is the inspection result normal?
Relay
+
−
Voltage
PTC relay
Connector
Terminal
1
E139
2
Ground
Battery voltage
3
2
E140
2
3
3
E141
2
3
PTC relay
BCM
Continuity
Relay
Connector
Terminal
Connector
Terminal
1
E139
1
E23
172
Existed
2
E140
173
3
E141
170
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