Additional Tests
SYSTEM/ACTUATOR TESTS
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39
n
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Start and idle the engine.
2.
Choose
Yes
to continue.
n
A “status” screen displays while a vehicle status check is
performed.
3.
A “confirmation” screen displays when the test routine begins.
n
A “results” screen displays when the
learn procedure has completed.
n
The screen shows the current values
for
NVLD Forced Monitor Routine
Status
,
NVLD Gen EVAP Status
,
Large Leak Monitor Status
,
Medium Leak Monitor Status
,
NVLD Solenoid
,
NVLD Switch
,
Purge Duty Cycle
,
Purge AirFlow
,
NVLD Frozen Test Timer
and
NVLD Pull Down Timer
.
4.
Choose
Finish
to return to the Special Functions menu.
Purge Vapor System Test
1.
Select
Purge Vapor System Test
in the Special Functions menu,
then press
ENTER
.
n
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Start and idle the engine.
2.
Choose
Yes
to continue.
n
A “status” screen displays while a
vehicle status check is performed.
n
The Select Position screen displays.
3.
Select
Normal
,
Closed
or
Open
, as
desired, then press
ENTER
.
n
The Test Results screen displays.
n
The screen shows the current values for
Engine Speed
,
Purge
Duty Cycle
,
Actual Purge Current
,
1/1 O2 Sensor Volts
,
2/1
O2 Sensor Volts
,
1/1 Short Term Adaptive
and
2/1 Short Term
Adaptive
.
4.
If desired, choose
Reselect
to return to the Select Position screen,
and repeat step 3 to select a new valve position.
5.
Choose
Finish
to return to the Special Functions menu.
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