Nissan Sentra Service Manual: Symptom diagnosis
On board refueling vapor recovery(ORVR)
Component Function Check
1.CHECK ORVR FUNCTION
Check whether the following symptoms are present.
Fuel odor from EVAP canister is strong
Cannot refuel/Fuel odor from the fuel filler opening is ...
Engine control system
Symptom Table
SYSTEM — BASIC ENGINE CONTROL SYSTEM
1 - 6: The numbers refer to the order of inspection.
(continued on next table)
SYSTEM — ENGINE MECHANICAL & OTHER
...
Other materials:
Component parts
Component parts location
Bcm (view with instrument panel removed)
Ipdm e/r (rear window defogger relay)
A/c auto amp. (View with a/c switch
assembly removed)
A/C switch assembly (rear window defogger
switch) (with auto A/C)
A/c switch assembly (rear window
defogger switch) (wit ...
Eps branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the eps control unit for damage,
bend and loose connection (unit
side and connector side).
Is the inspection result norm ...
P0444, P0445 EVAP Canister purge volume control solenoid valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0444
PURG VOLUME CONT/V
(Evaporative emission system
purge control valve circuit open)
An excessively low voltage signal is sent to ...
