Additional Tests
SYSTEM/ACTUATOR TESTS
54
For technical questions, please call 1-888-866-5797.
1.
Select
Reset Idle Learn
in the ECM Special Functions menu, then
press
ENTER
.
n
A “status” message shows while the
tool links with the control unit. When
data is returned from the control unit,
the Reset Idle Learn screen
displays.
n
The screen shows the
TP Sensor 1
Learned Minimum
and
TP Sensor
2 Learned Minimum
values.
2.
Choose
Reset
to reset the idle learn values for TP sensors 1 and 2.
n
A status screen displays while the procedure is in progress.
n
When the procedure is completed, the message “Reset Idle Learn
Complete” displays.
3.
Choose
Exit
to return to the ECM Special Functions menu.
EGR Solenoid
The EGR Solenoid function lets you increase or decrease solenoid
position.
1.
Select
EGR Solenoid
in the ECM Special Functions menu, then
press
ENTER
.
n
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Turn the ignition on. DO NOT start the engine.
2.
Choose
Continue
to continue.
n
A “status” message shows while the
tool links with the control unit. When
data is returned from the control unit,
the EGR Solenoid Commanded
Position screen displays.
n
The screen shows the EGR solenoid
Commanded Position
, and current
values for the
EGR Solenoid
Command
and
EGR Position
Sensor
.
3.
Select
1. Increase
or
2. Decrease
and press
ENTER
to increase
or decrease EGR solenoid position. Choose
Release Control
to hold
the EGR solenoid at the current commanded value.
4.
Choose
Exit
to return to the ECM Special Functions menu.
Fuel Injector Balance
The Fuel Injector Balance function lets you check the fuel pressure drop
for a selected fuel injector.
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