Nissan Frontier D22. Manual - part 454
DTC P0442 EVAP CONTROL SYSTEM
EC-919
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
18.
CHECK FUEL TANK TEMPERATURE SENSOR
1.
Remove fuel level sensor unit.
2.
Check resistance between fuel level sensor unit and fuel pump
terminals 1 and 2 by heating with hot water or heat gun as
shown in the figure.
OK or NG
OK
>> GO TO 19.
NG
>> Replace fuel tank temperature sensor.
19.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
1.
Remove EVAP control system pressure sensor with its harness connector connected.
2.
Remove hose from EVAP control system pressure sensor.
3.
Turn ignition switch ON.
4.
Use pump to apply vacuum and pressure to EVAP control system pressure sensor as shown in figure.
CAUTION:
●
Always calibrate the vacuum pump gauge when using it.
●
Do not apply below
−93.3 kPa (−700 mmHg, −27.56 inHg) or over 101.3 kPa (760 mmHg, 29.92
inHg) of pressure.
5.
Check input voltage between ECM terminal 62 and ground.
CAUTION:
●
Discard and EVAP control system pressure sensor which
has been dropped from a height of more than 0.5 m (19.7
in) onto a hard surface such as a concrete floor; use a
new one.
OK or NG
OK
>> GO TO 20.
NG
>> Replace EVAP control system pressure sensor.
20.
CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks or improper connection.
Refer to
EC-1165, "EVAPORATIVE EMISSION LINE DRAWING"
OK or NG
OK
>> GO TO 21.
NG
>> Repair or reconnect the hose.
21.
CLEAN EVAP PURGE LINE
Clean EVAP purge line (pipe and rubber tube) using air blower.
>> GO TO 22.
Temperature
°C (°F)
Resistance k
Ω
20 (68)
2.3 - 2.7
50 (122)
0.79 - 0.90
PBIB1425E
Applied vacuum
Voltage V
Not applied
1.8 - 4.8
-26.7 kpa (-200 mmHg, -7.87 inHg)
2.1 to 2.5V lower than above value
PBIB1426E