Nissan Pathfinder (2007 year). Instruction — part 225
VIAS
EC-667
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EC
2007 Pathfinder
5.
CHECK VACUUM TANK
Refer to
EC-668, "Component Inspection"
OK or NG
OK
>> GO TO 6.
NG
>> Replace vacuum tank.
6.
CHECK VIAS CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect VIAS control solenoid valve harness connector.
3.
Turn ignition switch ON.
4.
Check voltage between terminal 1 and ground with CONSULT-II
or tester.
OK or NG
OK
>> GO TO 8.
NG
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E2, F32
●
Harness for open or short between VIAS control solenoid valve and IPDM E/R
●
Harness for open or short between VIAS control solenoid valve and ECM
>> Repair 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.
BBIA0569E
Voltage: Battery voltage
PBIB0173E
Continuity should exist.
EC-668
VIAS
2007 Pathfinder
9.
CHECK VIAS CONTROL SOLENOID VALVE
Refer to
EC-668, "Component Inspection"
OK or NG
OK
>> GO TO 10.
NG
>> Replace VIAS control solenoid valve.
10.
CHECK INTERMITTENT INCIDENT
Refer to
EC-145, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
Component Inspection
UBS00KI4
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.
Without CONSULT-II
Check air passage continuity and operation delay time under the fol-
lowing conditions.
Operation takes less than 1 second.
VACUUM TANK
1.
Disconnect vacuum hose connected to vacuum tank.
2.
Connect a vacuum pump to the port (A) of vacuum tank.
3.
Apply vacuum and make sure that vacuum exists at the port (B).
Condition
VIAS SOL VALVE
Air passage continuity
between (A) and (B)
Air passage continuity
between (A) and (C)
ON
Yes
No
OFF
No
Yes
PBIB2505E
Condition
Air passage continuity
between (A) and (B)
Air passage continuity
between (A) and (C)
12V direct current supply
between terminals 1 and 2
Yes
No
No supply
No
Yes
PBIB2532E
PBIB0846E
VIAS
EC-669
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EC
2007 Pathfinder
Removal and Installation
UBS00KI5
VIAS CONTROL SOLENOID VALVE
Refer to
EC-670
MIL AND DATA LINK CONNECTOR
2007 Pathfinder
MIL AND DATA LINK CONNECTOR
PFP:24814
Wiring Diagram
UBS00KIY
BBWA2381E
MIL AND DATA LINK CONNECTOR
EC-671
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EC
2007 Pathfinder
BBWA1780E
EC-672
SERVICE DATA AND SPECIFICATIONS (SDS)
2007 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Fuel Pressure
UBS00KIZ
Idle Speed and Ignition Timing
UBS00KJ0
*: Under the following conditions:
●
Air conditioner switch: OFF
●
Electric load: OFF (Lights, heater fan & rear window defogger)
●
Steering wheel: Kept in straight-ahead position
Calculated Load Value
UBS00KJ1
Mass Air Flow Sensor
UBS00KJ2
*: Engine is warmed up to normal operating temperature and running under no load.
Intake Air Temperature Sensor
UBS00KJ3
Engine Coolant Temperature Sensor
UBS00KJ4
Air Fuel Ratio (A/F) Sensor 1 Heater
UBS00KJ5
Heated Oxygen sensor 2 Heater
UBS00KJ6
Crankshaft Position Sensor (POS)
UBS00KJ7
Refer to
EC-361, "Component Inspection"
Camshaft Position Sensor (PHASE)
UBS00KJ8
Refer to
EC-370, "Component Inspection"
Throttle Control Motor
UBS00KJ9
Fuel pressure at idling kPa (kg/cm
2
, psi)
Approximately 350 (3.57, 51)
Target idle speed
No load* (in P or N position)
625
±
50 rpm
Air conditioner: ON
In P or N position
625 rpm or more
Ignition timing
In P or N position
15
±
5
°
BTDC
Condition
Calculated load value% (Using CONSULT-II or GST)
At idle
5 - 35
At 2,500 rpm
5 - 35
Supply voltage
Battery voltage (11 - 14V)
Output voltage at idle
0.9 - 1.2*V
Mass air flow (Using CONSULT-II or GST)
2.0 - 6.0 g·m/sec at idle*
7.0 - 20.0 g·m/sec at 2,500 rpm*
Temperature
°
C (
°
F)
Resistance k
Ω
25 (77)
1.800 - 2.200
Temperature
°
C (
°
F)
Resistance k
Ω
20 (68)
2.1 - 2.9
50 (122)
0.68 - 1.00
90 (194)
0.236 - 0.260
Resistance [at 25
°
C (77
°
F)]
1.80 - 2.44
Ω
Resistance [at 25
°
C (77
°
F)]
9.9 - 13.3
Ω
Resistance [at 25
°
C (77
°
F)]
Approximately 1 - 15
Ω
SERVICE DATA AND SPECIFICATIONS (SDS)
EC-673
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EC
2007 Pathfinder
Fuel Injector
UBS00KJA
Fuel Pump
UBS00KJB
Resistance [at 10 - 60
°
C (50 - 140
°
F)]
11.1 - 14.5
Ω
Resistance [at 25
°
C (77
°
F)]
0.2 - 5.0
Ω
EC-674
SERVICE DATA AND SPECIFICATIONS (SDS)
2007 Pathfinder
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