Infiniti G35 (V35). Manual — part 450
REFRIGERANT PRESSURE SENSOR
EC-681
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EC
3.
CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
1.
Disconnect refrigerant pressure sensor harness connector.
2.
Turn ignition switch ON.
3.
Check voltage between refrigerant pressure sensor terminal 1
and ground with CONSULT-II or tester.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 4.
4.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E11, F2
●
Harness for open or short between ECM and refrigerant pressure sensor
>> Repair harness or connectors.
5.
CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between refrigerant pressure sensor terminal 3 and ECM terminal 67.
Refer to Wiring Diagram.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 6.
6.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E11, F2
●
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.
PBIB1009E
Voltage: Approximately 5V
PBIB0188E
Continuity should exist.
EC-682
REFRIGERANT PRESSURE SENSOR
7.
CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check harness continuity between ECM terminal 70 and refrigerant pressure sensor terminal 2.
Refer to Wiring Diagram.
2.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 9.
NG
>> GO TO 8.
8.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E11, F2
●
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.
9.
CHECK INTERMITTENT INCIDENT
Refer to
EC-151, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
OK or NG
OK
>> Replace refrigerant pressure sensor.
NG
>> Repair or replace.
Removal and Installation
NBS00122
REFRIGERANT PRESSURE SENSOR
Refer to
ATC-148, "Removal and Installation of Refrigerant Pressure Sensor"
Continuity should exist.
MIL AND DATA LINK CONNECTOR
EC-683
C
D
E
F
G
H
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K
L
M
A
EC
MIL AND DATA LINK CONNECTOR
PFP:24814
Wiring Diagram
NBS0012F
TBWM0833E
EC-684
MIL AND DATA LINK CONNECTOR
TBWM0368E
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