Page 2726 of 4462
EC-1342
[VK45DE]
REFRIGERANT PRESSURE SENSOR
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004HB
TBWM0265E
Page 2728 of 4462
![INFINITI FX35 2006 Service Manual EC-1344
[VK45DE]
REFRIGERANT PRESSURE SENSOR
Revision: 2006 December 2006 FX35/FX45
3. CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect refrigerant pressure sensor harness connect INFINITI FX35 2006 Service Manual EC-1344
[VK45DE]
REFRIGERANT PRESSURE SENSOR
Revision: 2006 December 2006 FX35/FX45
3. CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect refrigerant pressure sensor harness connect](/manual-img/42/57019/w960_57019-2727.png)
EC-1344
[VK45DE]
REFRIGERANT PRESSURE SENSOR
Revision: 2006 December 2006 FX35/FX45
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 E17, F47
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.
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 E17, F47
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.
PBIB1492E
Voltage: Approximately 5V
PBIB0188E
Continuity should exist.
Page 2729 of 4462
REFRIGERANT PRESSURE SENSOR EC-1345
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
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 E17, F47
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-811, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace refrigerant pressure sensor.
NG >> Repair or replace.
Removal and InstallationNBS004HD
REFRIGERANT PRESSURE SENSOR
Refer to ATC-154, "Removal and Installation of Refrigerant Pressure Sensor" .
Continuity should exist.
Page 2731 of 4462
SNOW MODE SWITCH EC-1347
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004HX
TBWM1369E
Page 2733 of 4462
![INFINITI FX35 2006 Service Manual SNOW MODE SWITCH EC-1349
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
5. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Harness for open or short INFINITI FX35 2006 Service Manual SNOW MODE SWITCH EC-1349
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
5. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Harness for open or short](/manual-img/42/57019/w960_57019-2732.png)
SNOW MODE SWITCH EC-1349
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
5. DETECT MALFUNCTIONING PART
Check the following.
10A fuse
Harness for open or short between snow mode switch and fuse.
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK SNOW MODE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect “unified meter and A/C amp.” harness connector.
3. Check harness continuity between snow mode switch terminal 4 and “unified meter and A/C amp.” termi- nal 12. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body. Refer to EC-818, "
Ground Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace ground connections.
8. CHECK SNOW MODE INDICATOR LAMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between snow mode switch terminal 2 and ground. Refer to Wiring Diagram.
2. Also check harness for short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to power in harness or connectors. Continuity should exist.
PBIB2195E
Continuity should exist.
Page 2737 of 4462
VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS) EC-1353
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004GP
TBWM1370E
Page 2742 of 4462
![INFINITI FX35 2006 Service Manual EC-1358
[VK45DE]
VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
Revision: 2006 December 2006 FX35/FX45
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness connecto INFINITI FX35 2006 Service Manual EC-1358
[VK45DE]
VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
Revision: 2006 December 2006 FX35/FX45
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness connecto](/manual-img/42/57019/w960_57019-2741.png)
EC-1358
[VK45DE]
VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
Revision: 2006 December 2006 FX35/FX45
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E211, M41
Harness connectors M82, F102
IPDM E/R connector E7
10A fuse
Harness continuity between IPDM E/R and VIAS control solenoid valve
>> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK VIAS CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 29 and VIAS control solenoid valve terminal 2. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
9. CHECK VIAS CONTROL SOLENOID VALVE
Refer to EC-1358, "
Component Inspection" .
OK or NG
OK >> GO TO 10.
NG >> Replace VIAS control solenoid valve.
10. CHECK INTERMITTENT INCIDENT
Refer to EC-811, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Component InspectionNBS004GR
VIAS CONTROL SOLENOID VALVE
With CONSULT-II
1. Reconnect harness connectors disconnected.
2. Turn ignition switch ON.
3. Perform “VIAS SOL VALVE” in “ACTIVE TEST” mode.
4. Check air passage continuity and operation delay time under the following conditions.
Operation takes less than 1 second. Continuity should exist.
Condition
VIAS SOL VALVE Air passage continuity
between A and B Air passage continuity
between A and C
ON Yes No
OFF No Yes
PBIB0177E
Page 2744 of 4462
EC-1360
[VK45DE]
MIL AND DATA LINK CONNECTOR
Revision: 2006 December 2006 FX35/FX45
MIL AND DATA LINK CONNECTORPFP:24814
Wiring DiagramNBS004I0
TBWM1367E