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Additional Tests
SYSTEM/ACTUATOR TESTS
70
- Place the transmission in PARK.
2.
Choose
Continue
to proceed.
The Control EGR Cut VSV screen
displays.
3.
Choose
On
to activate the EGR Cut
VSV. Choose
Off
to deactivate the EGR
Cut VSV.
The display refreshes to show the
results. Repeat as desired.
4.
Choose
Exit
to return to the PCM Actuator Test and Special
Function Menu.
EGR Step Position / System
The EGR Step Position / System function lets you increase Exhaust
Gas Recirculation (EGR) target position through its full range (1% -
100%)
1.
Select
EGR Step Position / System
in the PCM Actuator Test and
Special Function Menu, then press
ENTER
.
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Turn the ignition on. DO NOT start the engine.
- Place the transmission in PARK.
2.
Choose
Continue
to proceed.
The Control EGR Step Position /
System screen displays.
3.
Choose
Decrease
to decrease the EGR
target position. Choose
Increase
to
increase the EGR target position.
The display refreshes to show the
results. Repeat as desired.
4.
Press
ENTER
to return to the PCM
Actuator Test and Special Function Menu.
Inspection Mode
The Inspection Mode function is used to check exhaust gases by engine
intermittent prohibition or to allow use of a chassis dynamometer by
cutting Traction Control (TRC).
1.
Select
Inspection Mode
in the PCM Actuator Test and Special
Function Menu, then press
ENTER
.
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Erase all DTCs from the vehicle’s computer