Zurich 56218, Owner'S Manual

Page: 63 / 101

Additional Tests
SYSTEM/ACTUATOR TESTS
For technical questions, please call 1-888-866-5797.
61
5.
A “status” screen displays while the test
is in progress.
n
The screen shows EGR LIFT
SENSOR voltage, and may show
ENGINE SPEED .
6.
Release the accelerator pedal when
prompted.
7.
If the EGR system passes test phase 2,
a “confirmation” screen displays.
Choose Back to return to the Active Test
menu.
n
If the EGR system fails test phase 2,
an “advisory” screen displays.
Choose Back to return to the Active
Test menu.
VTC Test
The VTC Test function lets you perform a check of the vehicle’s Variable
Timing Control (VTC) system.
1.
Select VTC Test in the Active Test menu, then press ENTER .
n
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Make sure all vehicle electrical devices are OFF.
- Make sure the steering wheel is in the center position, and DO
NOT move during testing.
- Start and idle the engine.
- Set the parking brake.
- Place the transmission in neutral.
2.
Choose Continue to proceed.
If DTCs are present in the vehicle’s computer, an “advisory”
screen displays. Clear DTCs before proceeding.
n
An “instructional” screen displays. Perform the following:
- Press and hold the accelerator to maintain engine speed
between 3500-4000 RPM.
- Maintain engine speed above
3000 RPM for the duration of the
test.
n
A “status” screen displays while the
test is in progress. The screen
shows Engine Speed and Valve
Timing .
3.
Maintain engine speed above 3000
RPM for the duration of the test.