Nissan Note [1739/1872] Removal and installation

Nissan Note [1739/1872] Removal and installation
DTC P0190 FRP SENSOR
EC-1739
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
3. CHECK FUEL RAIL PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between fuel rail pressure sensor terminal 2 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 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK FUEL RAIL PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 57 and fuel rail pressure sensor terminal 1.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness connectors.
5. CHECK FUEL RAIL PRESSURE SENSOR
Refer to EC-1739, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace fuel rail.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1697, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Component Inspection
BBS0043D
FUEL RAIL PRESSURE SENSOR
1. Reconnect harness connector disconnected.
2. Start engine and warm it up to normal operating temperature.
3. Check voltage between ECM terminal 57 (Fuel rail pressure
sensor signal) and ground under the following conditions.
4. If the voltage is out of specification, disconnect fuel rail pressure
sensor harness connector and connect it again. Then repeat
above check.
5. If NG, replace fuel rail.
Removal and Installation
BBS0043E
FUEL RAIL
Refer to EM-267, "INJECTOR RAIL" .
Continuity should exist.
Continuity should exist.
Condition Voltage V
Idle Approximately 1.0
2,000 rpm Approximately 1.5
MBIB1539E

Содержание