Nissan Tiida C11. Instruction — part 629
EC-1166
< COMPONENT DIAGNOSIS >
[K9K]
P0530 REFRIGERANT PRESSURE SENSOR
P0530 REFRIGERANT PRESSURE SENSOR
Description
INFOID:0000000001162634
The refrigerant pressure sensor is installed at the condenser of the air conditioner system. The sensor uses an
electrostatic volume pressure transducer to convert refrigerant pressure to voltage. The voltage signal is sent
to ECM, and ECM controls cooling fan system.
DTC Logic
INFOID:0000000001162635
DTC DETECTION LOGIC
NOTE:
• If DTC P0530 is displayed with DTC P0641, first perform the trouble diagnosis for DTC P0641 Refer to
.
Diagnosis Procedure
INFOID:0000000001162636
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ground connection E15. Refer to Ground inspection in
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
1.
Disconnect refrigerant pressure sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between refrigerant pressure sensor connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-
tor.
DTC No.
Trouble diagnosis name
Possible cause
P0530
REFRIGERANT PRESSURE SENSOR CIRCUIT
• CO.0: Short circuit to +12V or open circuit
• CC.1: Short circuit to ground
• Harness or connectors
(Refrigerant pressure sensor circuit is
open or shorted.)
• Refrigerant pressure sensor
Refrigerant pressure sensor
Ground
Voltage
Connector
Terminal
E17
3
Ground
Approx. 5V
P0530 REFRIGERANT PRESSURE SENSOR
EC-1167
< COMPONENT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-
tor.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.
CHECK INTERMITTENT INCIDENT
GI-55, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace refrigerant pressure sensor.
NO
>> Repair or replace.
Refrigerant pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E17
1
F11
74
Existed
Refrigerant pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E17
2
F11
78
Existed
EC-1168
< COMPONENT DIAGNOSIS >
[K9K]
P0560 BATTERY VOLTAGE
P0560 BATTERY VOLTAGE
DTC Logic
INFOID:0000000001162637
DTC DETECTION LOGIC
NOTE:
• Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present when the engine is running.
Diagnosis Procedure
INFOID:0000000001162638
1.
CHECK BATTERY VOLTAGE
1.
Turn ignition switch ON.
2.
Check battery voltage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Recharge the battery.
2.
CHECK BATTERY TERMINALS
1.
Turn ignition switch OFF.
2.
Check battery terminals condition.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the battery terminals.
3.
CHECK BATTERY AND ALTERNATOR
Check that the proper type of battery and type of alternator are installed.
Refer to,
PG-6, "Removal and Installation"
and
PG-6, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace with a proper one.
4.
CHECK ECM POWER SUPPLY CIRCUIT-I
Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 7.
5.
CHECK ECM POWER SUPPLY CIRCUIT-II
1.
Disconnect ECM harness connector.
2.
Disconnect IPDM E/R harness connector E43.
DTC No.
Trouble diagnosis name
Possible cause
P0560
BATTERY VOLTAGE
• 1.DEF: Signal outside lower level
• 2.DEF: Signal outside upper level
• Harness connectors
(ECM power supply circuit is open or
shorted.)
• Battery
• Battery terminal
• Alternator
• IPDM E/R
Voltage: Above 11V
ECM
Ground
Voltage
Connector
Terminal
F11
60
Ground
Battery voltage
P0560 BATTERY VOLTAGE
EC-1169
< COMPONENT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
3.
Check the continuity between ECM harness connector and IPDM E/R harness connector.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 6.
6.
DETECT MALFUNCTIONING PART
Check the following.
• Harness or connectors E8, F3
• Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.
CHECK ECM POWER SUPPLY CIRCUIT-III
1.
Disconnect ECM harness connector.
2.
Disconnect IPDM E/R harness connector E43.
3.
Check the continuity between ECM harness connector and IPDM E/R harness connector.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 8.
8.
DETECT MALFUNCTIONING PART
Check the following.
• Harness or connectors E8, F3
• Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
9.
CHECK 20A FUSE
1.
Disconnect 20A fuse (No. 53) from IPDM E/R.
2.
Check 20A fuse.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace 20A fuse.
10.
CHECK GROUND CONNECTION
Check ground connection E15. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Repair or replace ground connection.
11.
CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between ECM harness connector and ground.
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F11
53
E43
4
Existed
54
3
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F11
60
E43
7
Existed
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